785C Off-HighwayTruck 1HW00001-UP (MACHINE) POWERED BY 3512B Engine POWER TRAIN Caterpillar SIS

Special Instruction

Accumulator Discharging and Charging Procedures {0738, 4263, 4264, 4331, 5077, 5077, 5081, 7474}
Accumulator Discharging and Charging Procedures {0738, 4263, 4264, 4331, 5077, 5077, 5081, 7474}

Decommissioning Procedure for Permanently Sealed Diaphragm Accumulators {5077}
Decommissioning Procedure for Permanently Sealed Diaphragm Accumulators {5077}

Service Magazine

Revised Repair Procedure For Large Off-Highway Truck Bladder Type Accumulators{0374,4331}
1999/07/26

Specifications

Rotary Actuator (Transmission)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Systems Operation

Rotary Actuator (Transmission)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Service Magazine

Revised Special Instruction, REHS0126-02, "Caterpillar Electronic Controls Service Code Information Description List", Available{0374,1901,1927,1930,1948,3168,4348,4802,4808,4810,4812,5511,5701,7490,7494,7601,7602,7610}
1998/11/16

Operation and Maintenance Manual

Differential and Final Drive Breather - Replace
784C and 785C Off-Highway Truck/Tractors

Rear Axle Housing End Play - Adjust
784C and 785C Off-Highway Truck/Tractors

Special Instruction

Assembly and Installation of Conventional Duo-Cone Seals{7561, 7561}
Assembly and Installation of Conventional Duo-Cone Seals{7561, 7561}

Tool and Specification Chart for Conventional Duo-Cone Seal Groups {0599, 7561}
Tool and Specification Chart for Conventional Duo-Cone Seal Groups {0599, 7561}

Installation of Conventional Duo-Cone Seals{7561}
Installation of Conventional Duo-Cone Seals{7561}

Installation of Inverted Duo-Cone Seals{7561}
Installation of Inverted Duo-Cone Seals{7561}

Inspection of the Duo-cone Seal Gp{4050, 4051, 7561}
Inspection of the Duo-cone Seal Gp{4050, 4051, 7561}

Procedure to Install the Rear Axle Lubrication Filter Retrofit Kit on the 785C and the 789C Off-Highway Trucks{1300, 3004, 3016, 3282}
Procedure to Install the Rear Axle Lubrication Filter Retrofit Kit on the 785C and the 789C Off-Highway Trucks{1300, 3004, 3016, 3282}

Specifications

Rear Axle Housing
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Systems Operation

Rear Axle and Final Drive System
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Reuse And Salvage Guidelines

Weld Repair Procedure for the Rear Axle A-Frame and Rear Axle Housing on 785, 789, 793, and 795F Off-Highway Trucks {0679, 3260}
Weld Repair Procedure for the Rear Axle A-Frame and Rear Axle Housing on 785, 789, 793, and 795F Off-Highway Trucks {0679, 3260}

Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}
Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}

Torque Converter, Divider, Drive Line, and Drive Axle Reuse and Salvage Manual Contents {0374, 3000, 3050, 3100, 3250, 3251, 3253, 3258}
Torque Converter, Divider, Drive Line, and Drive Axle Reuse and Salvage Manual Contents {0374, 3000, 3050, 3100, 3250, 3251, 3253, 3258}

Cleaning Rear Axle Housing Assemblies of 785, 789, and 793 Off-Highway Trucks{3260, 4001, 4002, 4006, 4050, 4208}
Cleaning Rear Axle Housing Assemblies of 785, 789, and 793 Off-Highway Trucks{3260, 4001, 4002, 4006, 4050, 4208}

Rear Axle Stiffener Installation Procedure for 785, 789, 793 & 795 Off-Highway Truck {0599, 0679, 0722, 3260, 3268, 7185}
Rear Axle Stiffener Installation Procedure for 785, 789, 793 & 795 Off-Highway Truck {0599, 0679, 0722, 3260, 3268, 7185}

Contamination Control Guidelines

Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}
Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}

Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}
Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}

Procedure for Filtering Off-Highway Truck Rear Axle Oil {0680, 0768, 3260, 4050}
Procedure for Filtering Off-Highway Truck Rear Axle Oil {0680, 0768, 3260, 4050}

Procedure for Filtering Final Drives, Rear Axles, and Differentials on Caterpillar Machines {0680, 0768, 3258, 3260, 4050}
Procedure for Filtering Final Drives, Rear Axles, and Differentials on Caterpillar Machines {0680, 0768, 3258, 3260, 4050}

Cleaning Rear Axle Housing Assemblies of 785, 789, and 793 Off-Highway Trucks{3260, 4001, 4002, 4006, 4050, 4208}
Cleaning Rear Axle Housing Assemblies of 785, 789, and 793 Off-Highway Trucks{3260, 4001, 4002, 4006, 4050, 4208}

Cleaning Rear Axle Housings of 785, 789 and 793 Off-Highway Trucks{3260, 4050, 4208}
Cleaning Rear Axle Housings of 785, 789 and 793 Off-Highway Trucks{3260, 4050, 4208}

Testing and Adjusting

Rear Axle Housing End Play - Adjust
784C and 785C Off-Highway Truck/Tractors Power Train

Visual Inspection (Rear Axle and Final Drive)
784C and 785C Off-Highway Truck/Tractors Power Train

Rear Axle and Final Drive System
784C and 785C Off-Highway Truck/Tractors Power Train

Disassembly and Assembly

Axle Housing and Support - Remove and Install
784C and 785C Off-Highway Truck Power Train

Service Magazine

New 157-6186 Duo-Cone Seal Available For Certain Off-Highway Trucks {7561}
1999/03/29

Improved Air Breather Available For Certain Off-Highway Trucks {3260,4257}
1999/11/15

Corrections to Oil Level Maintenance in the Operation and Maintenance Manuals {3258, 3260, 4050}
2000/02/07

The Oil Levels for the Differential and Final Drive Need to be Properly Maintained {3258, 3260, 4050}
2000/02/07

A Repair Sleeve is Available for the Bearing Bore of the A-frame {3260}
2000/04/03

New Plate Design Improves Service Life of Pin {3260}
2000/06/12

Change in Oil Change Interval for the Final Drive and the Rear Axle in Off-Highway Trucks {4000, 4050, 7000, 7560, 7581}
2002/07/08

The Magnetic Drain Plugs on the Rear Axle Housing are Longer and Larger {3260}
2000/10/30

Inspect the Rear Axle A-Frame and the Differential Housing at Every 500 SMU {3260}
2003/04/21

Increased Torque Required on A-Frame Bearing Cap Bolts for Certain Off-Highway Trucks {3260, 7050}
2003/11/24

Product Information Guide, SEBF1015, "Improving Component Durability" , "Final Drives and Differentials" is now available {3258, 3282, 4050}
2008/12/29

Tools Allow Calibration of Preload Adjusters for Wheel Bearings {0766, 0783}
2004/12/27

Improved 8T-0531 Duo-Cone Seal Installer As Is Now Available {0700, 0722, 0727}
2006/01/02

New Toric Rings Update the Duo-Cone Seal Groups {4001, 4051, 4201}
2008/05/19

Reuse Information on the Components in the Drive Train {3278, 4050}
2008/03/31

An Improved Support Assembly Is Now Used on Certain Off-Highway Trucks {3260}
2009/12/16

Determining the Severity of a Leak of the Duo-cone Seal Gp {4050, 4051, 7561}
2010/02/25

A Rear Axle Lubrication Filter Retrofit Upgrade is Now Available for the 785C and the 789C Off-Highway Trucks {1300, 3004, 3016, 3282}
2012/06/25

Cat Reman Announces the Addition of Power Train Components for Mining Trucks {3030, 3258, 4008, 4051, 4201, 4251, 4267}
2015/07/03

New Bolts for the Rear Axle Support are Now Used on Certain 785C, 785D, 789C, and 789D Off-Highway Trucks {3260, 3268}
New Bolts for the Rear Axle Support are Now Used on Certain 785C, 785D, 789C, and 789D Off-Highway Trucks {3260, 3268}

A Rear Axle Stiffener Installation Procedure for 785, 789, 793 & 795F AC Off-Highway Trucks is Available {0599, 0679, 0722, 3260, 3268, 7185}
2015/08/31

A New Cap Assembly is Now Used on Certain Off-Highway Trucks {3260}
A New Cap Assembly is Now Used on Certain Off-Highway Trucks {3260}

Special Instruction

Assembly and Installation of Conventional Duo-Cone Seals{7561, 7561}
Assembly and Installation of Conventional Duo-Cone Seals{7561, 7561}

Installation of Conventional Duo-Cone Seals{7561}
Installation of Conventional Duo-Cone Seals{7561}

Installation of Inverted Duo-Cone Seals{7561}
Installation of Inverted Duo-Cone Seals{7561}

Caterpillar Off-Highway Truck (777, 785, 789, 793, and 797) Technician Checklist Final Drive Removal and Installation {0372, 0374, 4001, 4001, 4011, 4011, 4050, 4050}
Caterpillar Off-Highway Truck (777, 785, 789, 793, and 797) Technician Checklist Final Drive Removal and Installation {0372, 0374, 4001, 4001, 4011, 4011, 4050, 4050}

Reuse And Salvage Guidelines

Cleaning Rear Axle Housing Assemblies of 785, 789, and 793 Off-Highway Trucks{3260, 4001, 4002, 4006, 4050, 4208}
Cleaning Rear Axle Housing Assemblies of 785, 789, and 793 Off-Highway Trucks{3260, 4001, 4002, 4006, 4050, 4208}

Repair of Web Cracks In Final Drive Planetary Carriers {4092}
Repair of Web Cracks In Final Drive Planetary Carriers {4092}

Contamination Control Guidelines

Cleaning Rear Axle Housing Assemblies of 785, 789, and 793 Off-Highway Trucks{3260, 4001, 4002, 4006, 4050, 4208}
Cleaning Rear Axle Housing Assemblies of 785, 789, and 793 Off-Highway Trucks{3260, 4001, 4002, 4006, 4050, 4208}

Reuse And Salvage Guidelines

Thermal Spray Procedures for OHT Rear Duo-Cone Seal Retainer and Spacer {0679, 4051, 4201, 4251, 4267}
Thermal Spray Procedures for OHT Rear Duo-Cone Seal Retainer and Spacer {0679, 4051, 4201, 4251, 4267}

Special Instruction

Assembly and Installation of Conventional Duo-Cone Seals{7561, 7561}
Assembly and Installation of Conventional Duo-Cone Seals{7561, 7561}

Installation of Conventional Duo-Cone Seals{7561}
Installation of Conventional Duo-Cone Seals{7561}

Installation of Inverted Duo-Cone Seals{7561}
Installation of Inverted Duo-Cone Seals{7561}

Technical Information Bulletin

Front Wheel Group Bearings May Fail on Certain Off-Highway Trucks{3259, 4006, 4201, 4205, 4208, 7551}
Front Wheel Group Bearings May Fail on Certain Off-Highway Trucks{3259, 4006, 4201, 4205, 4208, 7551}

Tool Operating Manual

Rear Final Drive Brake and Wheel Group Assembly and Disassembly System{0374, 0599, 0700, 0727, 0730, 0731}
Rear Final Drive Brake and Wheel Group Assembly and Disassembly System{0374, 0599, 0700, 0727, 0730, 0731}

Reuse And Salvage Guidelines

Procedure to Inspect and Repair the Front Wheels on 785 - 797 Off-Highway Truck {0599, 0700, 0730, 0731, 4006, 4200, 4209, 4251}
Procedure to Inspect and Repair the Front Wheels on 785 - 797 Off-Highway Truck {0599, 0700, 0730, 0731, 4006, 4200, 4209, 4251}

Service Magazine

Vertical Wheel Bearing Adjustment Procedures For Cast Wheels And Fabricated Wheels {4001, 4201}
2002/10/14

The Fluid Recommendation and Front Wheel Bearing Cover Has Been Updated on the Wheel and Brake Group of Certain Off-Highway Trucks {4006, 4201, 4205}
The Fluid Recommendation and Front Wheel Bearing Cover Has Been Updated on the Wheel and Brake Group of Certain Off-Highway Trucks {4006, 4201, 4205}

A New Rear Wheel Speed Sensor is Now Used for Certain Large Off-Highway Trucks {1439, 4008, 4803}
A New Rear Wheel Speed Sensor is Now Used for Certain Large Off-Highway Trucks {1439, 4008, 4803}

Reuse And Salvage Guidelines

Off-Highway Truck Final Drive Planetary Carrier {0760, 0761, 4084}
Off-Highway Truck Final Drive Planetary Carrier {0760, 0761, 4084}

Thermal Spray Procedures for OHT Planetary Carrier - Pin Bores{0679, 4084}
Thermal Spray Procedures for OHT Planetary Carrier - Pin Bores{0679, 4084}

Specifications For Hydraulic Piston Pump And Motor Components {3083, 3203, 3221, 3222, 4351, 5058, 5069, 5070, 5117}
Specifications For Hydraulic Piston Pump And Motor Components {3083, 3203, 3221, 3222, 4351, 5058, 5069, 5070, 5117}

Identification of Non-Metallic Discs that are Used in Power Shift Transmissions {3030, 3155}
Identification of Non-Metallic Discs that are Used in Power Shift Transmissions {3030, 3155}

Repair of Reaction Dowel Holes in Transmission Clutch Housings {3030, 3155, 3169}
Repair of Reaction Dowel Holes in Transmission Clutch Housings {3030, 3155, 3169}

Service Magazine

Torque Converter Lockup Clutch Primary Pressure - Test and Adjust Procedures are Updated on Certain Large Off-Highway Trucks {3101, 3102, 3105, 3124}
Torque Converter Lockup Clutch Primary Pressure - Test and Adjust Procedures are Updated on Certain Large Off-Highway Trucks {3101, 3102, 3105, 3124}

Technical Information Bulletin

Replacement Solenoid Valves May Fail on Certain Transmissions {3073, 3167, 3174, 5479, 7499}
Replacement Solenoid Valves May Fail on Certain Transmissions {3073, 3167, 3174, 5479, 7499}

Specifications

Traction Control Valve
740 Articulated Truck, 768C, 769C, 769D, 772B, 773B, 773D, 773E, 773F, 776, 776B, 776C, 776D, 777, 777B, 777C, 777D, 777F, 784B, 784C, 785, 785B, 785C, 785D, 789, 789B, 789C, 789D, 793, 793B, 793C and 793D Off-Highway Trucks and 771C, 771D, 775B, 775D, 775E and 775F Quarry Trucks Automatic Electronic Traction Aid (AETA)

Speed Sensor (Transmission)
740 Articulated Truck, 768C, 769C, 769D, 772B, 773B, 773D, 773E, 773F, 776, 776B, 776C, 776D, 777, 777B, 777C, 777D, 777F, 784B, 784C, 785, 785B, 785C, 785D, 789, 789B, 789C, 789D, 793, 793B, 793C and 793D Off-Highway Trucks and 771C, 771D, 775B, 775D, 775E and 775F Quarry Trucks Automatic Electronic Traction Aid (AETA)

Pressure Switch (Air)
740 Articulated Truck, 768C, 769C, 769D, 772B, 773B, 773D, 773E, 773F, 776, 776B, 776C, 776D, 777, 777B, 777C, 777D, 777F, 784B, 784C, 785, 785B, 785C, 785D, 789, 789B, 789C, 789D, 793, 793B, 793C and 793D Off-Highway Trucks and 771C, 771D, 775B, 775D, 775E and 775F Quarry Trucks Automatic Electronic Traction Aid (AETA)

Speed Sensor
740 Articulated Truck, 768C, 769C, 769D, 772B, 773B, 773D, 773E, 773F, 776, 776B, 776C, 776D, 777, 777B, 777C, 777D, 777F, 784B, 784C, 785, 785B, 785C, 785D, 789, 789B, 789C, 789D, 793, 793B, 793C and 793D Off-Highway Trucks and 771C, 771D, 775B, 775D, 775E and 775F Quarry Trucks Automatic Electronic Traction Aid (AETA)

Traction Control Valve
784C and 785C Off-Highway Truck/Tractors Air System and Brakes

Systems Operation

General Information
740 Articulated Truck, 768C, 769C, 769D, 772B, 773B, 773D, 773E, 773F, 776, 776B, 776C, 776D, 777, 777B, 777C, 777D, 777F, 784B, 784C, 785, 785B, 785C, 785D, 789, 789B, 789C, 789D, 793, 793B, 793C and 793D Off-Highway Trucks and 771C, 771D, 775B, 775D, 775E and 775F Quarry Trucks Automatic Electronic Traction Aid (AETA)

Electronic Control Module (Traction Control System)
740 Articulated Truck, 768C, 769C, 769D, 772B, 773B, 773D, 773E, 773F, 776, 776B, 776C, 776D, 777, 777B, 777C, 777D, 777F, 784B, 784C, 785, 785B, 785C, 785D, 789, 789B, 789C, 789D, 793, 793B, 793C and 793D Off-Highway Trucks and 771C, 771D, 775B, 775D, 775E and 775F Quarry Trucks Automatic Electronic Traction Aid (AETA)

Solenoid Valves
740 Articulated Truck, 768C, 769C, 769D, 772B, 773B, 773D, 773E, 773F, 776, 776B, 776C, 776D, 777, 777B, 777C, 777D, 777F, 784B, 784C, 785, 785B, 785C, 785D, 789, 789B, 789C, 789D, 793, 793B, 793C and 793D Off-Highway Trucks and 771C, 771D, 775B, 775D, 775E and 775F Quarry Trucks Automatic Electronic Traction Aid (AETA)

Sensors
740 Articulated Truck, 768C, 769C, 769D, 772B, 773B, 773D, 773E, 773F, 776, 776B, 776C, 776D, 777, 777B, 777C, 777D, 777F, 784B, 784C, 785, 785B, 785C, 785D, 789, 789B, 789C, 789D, 793, 793B, 793C and 793D Off-Highway Trucks and 771C, 771D, 775B, 775D, 775E and 775F Quarry Trucks Automatic Electronic Traction Aid (AETA)

Switches
740 Articulated Truck, 768C, 769C, 769D, 772B, 773B, 773D, 773E, 773F, 776, 776B, 776C, 776D, 777, 777B, 777C, 777D, 777F, 784B, 784C, 785, 785B, 785C, 785D, 789, 789B, 789C, 789D, 793, 793B, 793C and 793D Off-Highway Trucks and 771C, 771D, 775B, 775D, 775E and 775F Quarry Trucks Automatic Electronic Traction Aid (AETA)

Traction Control Valve
740 Articulated Truck, 768C, 769C, 769D, 772B, 773B, 773D, 773E, 773F, 776, 776B, 776C, 776D, 777, 777B, 777C, 777D, 777F, 784B, 784C, 785, 785B, 785C, 785D, 789, 789B, 789C, 789D, 793, 793B, 793C and 793D Off-Highway Trucks and 771C, 771D, 775B, 775D, 775E and 775F Quarry Trucks Automatic Electronic Traction Aid (AETA)

Testing and Adjusting

General Information
740 Articulated Truck, 768C, 769C, 769D, 772B, 773B, 773D, 773E, 773F, 776, 776B, 776C, 776D, 777, 777B, 777C, 777D, 777F, 784B, 784C, 785, 785B, 785C, 785D, 789, 789B, 789C, 789D, 793, 793B, 793C and 793D Off-Highway Trucks and 771C, 771D, 775B, 775D, 775E and 775F Quarry Trucks Automatic Electronic Traction Aid (AETA)

Functional Test
740 Articulated Truck, 768C, 769C, 769D, 772B, 773B, 773D, 773E, 773F, 776, 776B, 776C, 776D, 777, 777B, 777C, 777D, 777F, 784B, 784C, 785, 785B, 785C, 785D, 789, 789B, 789C, 789D, 793, 793B, 793C and 793D Off-Highway Trucks and 771C, 771D, 775B, 775D, 775E and 775F Quarry Trucks Automatic Electronic Traction Aid (AETA)

Machine Preparation for Troubleshooting
740 Articulated Truck, 768C, 769C, 769D, 772B, 773B, 773D, 773E, 773F, 776, 776B, 776C, 776D, 777, 777B, 777C, 777D, 777F, 784B, 784C, 785, 785B, 785C, 785D, 789, 789B, 789C, 789D, 793, 793B, 793C and 793D Off-Highway Trucks and 771C, 771D, 775B, 775D, 775E and 775F Quarry Trucks Automatic Electronic Traction Aid (AETA)

Towing
740 Articulated Truck, 768C, 769C, 769D, 772B, 773B, 773D, 773E, 773F, 776, 776B, 776C, 776D, 777, 777B, 777C, 777D, 777F, 784B, 784C, 785, 785B, 785C, 785D, 789, 789B, 789C, 789D, 793, 793B, 793C and 793D Off-Highway Trucks and 771C, 771D, 775B, 775D, 775E and 775F Quarry Trucks Automatic Electronic Traction Aid (AETA)

Stationary Pressure - Test
740 Articulated Truck, 768C, 769C, 769D, 772B, 773B, 773D, 773E, 773F, 776, 776B, 776C, 776D, 777, 777B, 777C, 777D, 777F, 784B, 784C, 785, 785B, 785C, 785D, 789, 789B, 789C, 789D, 793, 793B, 793C and 793D Off-Highway Trucks and 771C, 771D, 775B, 775D, 775E and 775F Quarry Trucks Automatic Electronic Traction Aid (AETA)

Troubleshooting Notes
740 Articulated Truck, 768C, 769C, 769D, 772B, 773B, 773D, 773E, 773F, 776, 776B, 776C, 776D, 777, 777B, 777C, 777D, 777F, 784B, 784C, 785, 785B, 785C, 785D, 789, 789B, 789C, 789D, 793, 793B, 793C and 793D Off-Highway Trucks and 771C, 771D, 775B, 775D, 775E and 775F Quarry Trucks Automatic Electronic Traction Aid (AETA)

Parking Brake Release Pressure - Test
740 Articulated Truck, 768C, 769C, 769D, 772B, 773B, 773D, 773E, 773F, 776, 776B, 776C, 776D, 777, 777B, 777C, 777D, 777F, 784B, 784C, 785, 785B, 785C, 785D, 789, 789B, 789C, 789D, 793, 793B, 793C and 793D Off-Highway Trucks and 771C, 771D, 775B, 775D, 775E and 775F Quarry Trucks Automatic Electronic Traction Aid (AETA)

Parking Brake Control Pressure - Test
740 Articulated Truck, 768C, 769C, 769D, 772B, 773B, 773D, 773E, 773F, 776, 776B, 776C, 776D, 777, 777B, 777C, 777D, 777F, 784B, 784C, 785, 785B, 785C, 785D, 789, 789B, 789C, 789D, 793, 793B, 793C and 793D Off-Highway Trucks and 771C, 771D, 775B, 775D, 775E and 775F Quarry Trucks Automatic Electronic Traction Aid (AETA)

Parking and Secondary Brake Release System Leakage - Check
740 Articulated Truck, 768C, 769C, 769D, 772B, 773B, 773D, 773E, 773F, 776, 776B, 776C, 776D, 777, 777B, 777C, 777D, 777F, 784B, 784C, 785, 785B, 785C, 785D, 789, 789B, 789C, 789D, 793, 793B, 793C and 793D Off-Highway Trucks and 771C, 771D, 775B, 775D, 775E and 775F Quarry Trucks Automatic Electronic Traction Aid (AETA)

Disassembly and Assembly

Traction Control Valve - Remove
784C and 785C Off-Highway Trucks Machine Systems

Traction Control Valve - Install
784C and 785C Off-Highway Trucks Machine Systems

Traction Control Valve - Disassemble
784C and 785C Off-Highway Trucks Machine Systems

Traction Control Valve - Assemble
784C and 785C Off-Highway Trucks Machine Systems

Special Instruction

Bench Test Procedure for a 784B, 784C, 785, 785B, 785C,785D, 789, and 789B Off-Highway Truck Transmission{3030, 3073}
Bench Test Procedure for a 784B, 784C, 785, 785B, 785C,785D, 789, and 789B Off-Highway Truck Transmission{3030, 3073}

Improved Method for Installing the Actual Gear Position Sensor {1439, 3061}
Improved Method for Installing the Actual Gear Position Sensor {1439, 3061}

Technical Information Bulletin

Replacement Solenoid Valves May Fail on Certain Transmissions {3073, 3167, 3174, 5479, 7499}
Replacement Solenoid Valves May Fail on Certain Transmissions {3073, 3167, 3174, 5479, 7499}

Specifications

Transmission Hydraulic Control
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Systems Operation

Transmission Hydraulic Control
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Lubrication Relief Valve (Transmission)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Solenoid Valve (Lockup Clutch)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Solenoid Valve (Upshift and Downshift)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Reuse And Salvage Guidelines

Bench Test Procedure for a 784B, 784C, 785, 785B, 785C,785D, 789, and 789B Off-Highway Truck Transmission{3030, 3073}
Bench Test Procedure for a 784B, 784C, 785, 785B, 785C,785D, 789, and 789B Off-Highway Truck Transmission{3030, 3073}

Individual Clutch Modulation (ICM) Control Valves{3065, 3139}
Individual Clutch Modulation (ICM) Control Valves{3065, 3139}

Testing and Adjusting

Transmission Hydraulic Control Pilot Pressure - Test and Adjust
784C and 785C Off-Highway Truck/Tractors Power Train

Transmission Hydraulic Control Clutch Pressure - Test
784C and 785C Off-Highway Truck/Tractors Power Train

Transmission Hydraulic Control Primary Clutch Pressure - Test and Adjust
784C and 785C Off-Highway Truck/Tractors Power Train

Transmission Hydraulic Control Dual Stage Relief Valve Pressure - Test and Adjust
784C and 785C Off-Highway Truck/Tractors Power Train

Transmission Hydraulic Control - Test
784C and 785C Off-Highway Truck/Tractors Power Train

Bench Test Procedures

Bench Test Procedure for a 784B, 784C, 785, 785B, 785C,785D, 789, and 789B Off-Highway Truck Transmission{3030, 3073}
Bench Test Procedure for a 784B, 784C, 785, 785B, 785C,785D, 789, and 789B Off-Highway Truck Transmission{3030, 3073}

Disassembly and Assembly

Transmission Hydraulic Control - Remove
784C and 785C Off-Highway Truck Power Train

Transmission Hydraulic Control - Install
784C and 785C Off-Highway Truck Power Train

Transmission Hydraulic Control - Disassemble
784C and 785C Off-Highway Truck Power Train

Transmission Hydraulic Control - Assemble
784C and 785C Off-Highway Truck Power Train

Service Magazine

An Improved Solenoid Valve Group Is Used In Transmissions With ICM For Increased Reliability And Longer Service Life {3124, 3167, 3174}
2009/08/24

A New Transmission Harness and a New Position Sensor Group Are Now Used on Certain Cat Products {1408, 1439, 3167}
2009/11/05

Special Instruction

Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Repair Process {7562}

Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}

Reuse And Salvage Guidelines

Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}

Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Repair Process {7562}

Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}

Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}

Inspection and Salvage of Hydraulic Cylinder Components {7562}
Inspection and Salvage of Hydraulic Cylinder Components {7562}

Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}
Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}

Contamination Control Guidelines

Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}

Applied Failure Analysis

Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}

Bench Test Procedures

Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}

Service Magazine

Double Lip Wiper Seals Must Be Installed Properly {7562}
2002/12/09

A Rework Procedure Improves the Seal Assembly Performance in Hydraulic Cylinders on Cat Products {7562}
2010/04/30

Operation and Maintenance Manual

Differential Warm-up and Break-in
784C and 785C Off-Highway Truck/Tractors

Differential and Final Drive Oil - Inspect
784C and 785C Off-Highway Truck/Tractors

Differential Thrust Pin Clearance - Check
784C and 785C Off-Highway Truck/Tractors

Differential and Final Drive Oil Sample - Obtain
784C and 785C Off-Highway Truck/Tractors

Differential and Final Drive Oil - Change
784C and 785C Off-Highway Truck/Tractors

Differential and Final Drive Oil Level - Check
784C and 785C Off-Highway Truck/Tractors

Special Instruction

Removal and Installation of the Differential and Bevel Gear Group and the Final Drive and Wheel Group Assemblies for the 784B, 784C, 785, 785B, 785C, 789, 789B, 789C, 793, 793B and 793C Off-Highway Truck/Tractor{3256, 3258, 3281}
Removal and Installation of the Differential and Bevel Gear Group and the Final Drive and Wheel Group Assemblies for the 784B, 784C, 785, 785B, 785C, 789, 789B, 789C, 793, 793B and 793C Off-Highway Truck/Tractor{3256, 3258, 3281}

Installation of Bevel Gear, Differential And Differential Housing (Flange Half) on Certain Cat Products {3256, 3258, 3281}
Installation of Bevel Gear, Differential And Differential Housing (Flange Half) on Certain Cat Products {3256, 3258, 3281}

Caterpillar Off-Highway Truck (777, 785, 789, 793, and 797) Technician Checklist Differential Removal and Installation Checklist{0372, 0374, 3258, 3258}
Caterpillar Off-Highway Truck (777, 785, 789, 793, and 797) Technician Checklist
Differential Removal and Installation Checklist{0372, 0374, 3258, 3258}

Specifications

Differential
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Differential and Bevel Gear
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Tool Operating Manual

226-2380 Adjustable C-Hook Extension{0374, 0599, 0632, 0727, 1122, 3258, 4050, 4084, 4208, 7561}
226-2380 Adjustable C-Hook Extension{0374, 0599, 0632, 0727, 1122, 3258, 4050, 4084, 4208, 7561}

Systems Operation

Differential and Bevel Gear
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Reuse And Salvage Guidelines

Salvage of Differential Bearing Cage on Off-Highway Trucks {3258, 3283, 3284}
Salvage of Differential Bearing Cage on Off-Highway Trucks {3258, 3283, 3284}

Reusability of Drive Train Gears {3002, 3159, 3256, 4055}
Reusability of Drive Train Gears {3002, 3159, 3256, 4055}

Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}
Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}

Torque Converter, Divider, Drive Line, and Drive Axle Reuse and Salvage Manual Contents {0374, 3000, 3050, 3100, 3250, 3251, 3253, 3258}
Torque Converter, Divider, Drive Line, and Drive Axle Reuse and Salvage Manual Contents {0374, 3000, 3050, 3100, 3250, 3251, 3253, 3258}

Salvage of Final Drive and Differential Thrust Washer Used in Off-Highway Trucks, Tractors, and Wheel Loaders {0677, 0760, 3258, 3284, 4050, 4055, 4201}
Salvage of Final Drive and Differential Thrust Washer Used in Off-Highway Trucks, Tractors, and Wheel Loaders {0677, 0760, 3258, 3284, 4050, 4055, 4201}

Salvage of Differential Housing Assembly Used on Off-Highway Trucks {3258, 3283, 3284}
Salvage of Differential Housing Assembly Used on Off-Highway Trucks {3258, 3283, 3284}

Procedure to Machine Damaged Transmission and Differential Yokes {3030, 3253, 3258}
Procedure to Machine Damaged Transmission and Differential Yokes {3030, 3253, 3258}

Thermal Spray Procedures for Wheel Loaders, Off-Highway Trucks and Tractors, Articulated Trucks, Wheel Tractors, Compactors, and Integrated Toolcarriers Differential - Support Bearing Journal {0679, 3258, 3284}
Thermal Spray Procedures for Wheel Loaders, Off-Highway Trucks and Tractors, Articulated Trucks, Wheel Tractors, Compactors, and Integrated Toolcarriers Differential - Support Bearing Journal {0679, 3258, 3284}

Thermal Spray Procedures for Wheel Loaders, Articulated Trucks, Wheel Tractors, Compactors, and Integrated Toolcarriers Differential Case - Flange End {0679, 3258, 3284}
Thermal Spray Procedures for Wheel Loaders, Articulated Trucks, Wheel Tractors, Compactors, and Integrated Toolcarriers Differential Case - Flange End {0679, 3258, 3284}

Thermal Spray Procedures for OHT Differential Housing - Housing and Side Thrust {0374, 0599, 0679, 3258, 3281}
Thermal Spray Procedures for OHT Differential Housing - Housing and Side Thrust {0374, 0599, 0679, 3258, 3281}

Thermal Spray Procedures for OHT Cage - Bearing{0679, 3258, 3281}
Thermal Spray Procedures for OHT Cage - Bearing{0679, 3258, 3281}

Thermal Spray Procedures for OHT Differential Carrier Assembly {0374, 0599, 0679, 3258, 3281, 3284}
Thermal Spray Procedures for OHT Differential Carrier Assembly {0374, 0599, 0679, 3258, 3281, 3284}

Thermal Spray Procedures for OHT Differential Carrier{0679, 3258, 3284}
Thermal Spray Procedures for OHT Differential Carrier{0679, 3258, 3284}

Contamination Control Guidelines

Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}
Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}

Procedure for Filtering Final Drives, Rear Axles, and Differentials on Caterpillar Machines {0680, 0768, 3258, 3260, 4050}
Procedure for Filtering Final Drives, Rear Axles, and Differentials on Caterpillar Machines {0680, 0768, 3258, 3260, 4050}

Information Release Memo

CAT REMAN ANNOUNCES THE ADDITION OF DRIVETRAIN COMPONENTS FOR LARGE MINING TRUCKS
CAT REMAN ANNOUNCES THE ADDITION OF DRIVETRAIN COMPONENTS FOR LARGE MINING TRUCKS

Testing and Adjusting

Differential Pinion Bearing - Adjust
784C and 785C Off-Highway Truck/Tractors Power Train

Differential and Bevel Gear - Adjust
784C and 785C Off-Highway Truck/Tractors Power Train

Visual Inspection (Rear Axle and Final Drive)
784C and 785C Off-Highway Truck/Tractors Power Train

Rear Axle and Final Drive System
784C and 785C Off-Highway Truck/Tractors Power Train

Disassembly and Assembly

Differential and Bevel Gear - Assemble
784C and 785C Off-Highway Truck Power Train

Differential and Bevel Gear - Disassemble
784C and 785C Off-Highway Truck Power Train

Differential and Bevel Gear - Remove
784C and 785C Off-Highway Truck Power Train

Differential and Bevel Gear - Install
784C and 785C Off-Highway Truck Power Train

Service Magazine

Corrections to Oil Level Maintenance in the Operation and Maintenance Manuals {3258, 3260, 4050}
2000/02/07

Serial Numbers and Sequence Numbers Improve Component Life Tracking on Major Power Train Components {1000, 3030, 3101, 3258, 3284, 4050, 4208, 4234}
2000/04/17

The Oil Levels for the Differential and Final Drive Need to be Properly Maintained {3258, 3260, 4050}
2000/02/07

New Procedure For The Adjustment Of The Differential Thrust Pin {3258, 3260, 3284}
2000/02/07

A Correction to the Setting Tool for the Bearing for the Differential Pinion and to the Setting Procedure {3256, 3258, 3281}
2002/08/12

New Special Instruction Manuals and New Mechanic's Checklist Pads are Available {0374}
2001/02/05

Treat the Low Oil Pressure Warning for the Differential as a Category 3 Warning {3258, 7422, 7601, 7620}
2002/03/04

A New Pinion Assembly is Now Used on Certain Off-Highway Truck/Tractors {3256, 3258, 3281}
2008/04/14

Proper Differential Warmup and Break-In Can Extend the Service Life of Differential Bearings on Certain Off-Highway Trucks {3258}
2012/06/01

Cat Reman Announces the Addition of Drivetrain Components for Large Mining Trucks {3030, 3101, 3105, 3258, 4050, 4205, 5102, 7000}
2014/10/14

Cat Reman Announces the Addition of Power Train Components for Mining Trucks {3030, 3258, 4008, 4051, 4201, 4251, 4267}
2015/07/03

A New Recommended Sealant is Now Used for Differential Pinion Assemblies on Certain Large Off-Highway Trucks {3254, 3258}
A New Recommended Sealant is Now Used for Differential Pinion Assemblies on Certain Large Off-Highway Trucks {3254, 3258}

Special Instruction

Caterpillar Off-Highway Truck (777, 785, 789, 793, and 797) Technician Checklist Differential Removal and Installation Checklist{0372, 0374, 3258, 3258}
Caterpillar Off-Highway Truck (777, 785, 789, 793, and 797) Technician Checklist
Differential Removal and Installation Checklist{0372, 0374, 3258, 3258}

Tool Operating Manual

226-2380 Multi-Purpose Lifting Bracket Group{3258, 4050, 4084, 4208, 7561}
226-2380 Multi-Purpose Lifting Bracket Group{3258, 4050, 4084, 4208, 7561}

226-2380 Adjustable C-Hook Extension{0374, 0599, 0632, 0727, 1122, 3258, 4050, 4084, 4208, 7561}
226-2380 Adjustable C-Hook Extension{0374, 0599, 0632, 0727, 1122, 3258, 4050, 4084, 4208, 7561}

Reuse And Salvage Guidelines

Torque Converter, Divider, Drive Line, and Drive Axle Reuse and Salvage Manual Contents {0374, 3000, 3050, 3100, 3250, 3251, 3253, 3258}
Torque Converter, Divider, Drive Line, and Drive Axle Reuse and Salvage Manual Contents {0374, 3000, 3050, 3100, 3250, 3251, 3253, 3258}

Salvage of Final Drive and Differential Thrust Washer Used in Off-Highway Trucks, Tractors, and Wheel Loaders {0677, 0760, 3258, 3284, 4050, 4055, 4201}
Salvage of Final Drive and Differential Thrust Washer Used in Off-Highway Trucks, Tractors, and Wheel Loaders {0677, 0760, 3258, 3284, 4050, 4055, 4201}

Salvage of Differential Housing Assembly Used on Off-Highway Trucks {3258, 3283, 3284}
Salvage of Differential Housing Assembly Used on Off-Highway Trucks {3258, 3283, 3284}

Procedure to Machine Damaged Transmission and Differential Yokes {3030, 3253, 3258}
Procedure to Machine Damaged Transmission and Differential Yokes {3030, 3253, 3258}

Thermal Spray Procedures for Differential Case - Housing Face & Pinion Thrust Face {3283}
Thermal Spray Procedures for Differential Case - Housing Face & Pinion Thrust Face {3283}

Thermal Spray Procedures for OHT Differential Housing - Housing and Side Thrust {0374, 0599, 0679, 3258, 3281}
Thermal Spray Procedures for OHT Differential Housing - Housing and Side Thrust {0374, 0599, 0679, 3258, 3281}

Thermal Spray Procedures for OHT Cage - Bearing{0679, 3258, 3281}
Thermal Spray Procedures for OHT Cage - Bearing{0679, 3258, 3281}

Thermal Spray Procedures for OHT Differential Carrier Assembly {0374, 0599, 0679, 3258, 3281, 3284}
Thermal Spray Procedures for OHT Differential Carrier Assembly {0374, 0599, 0679, 3258, 3281, 3284}

Thermal Spray Procedures for OHT Differential Carrier{0679, 3258, 3284}
Thermal Spray Procedures for OHT Differential Carrier{0679, 3258, 3284}

Contamination Control Guidelines

Procedure for Filtering Final Drives, Rear Axles, and Differentials on Caterpillar Machines {0680, 0768, 3258, 3260, 4050}
Procedure for Filtering Final Drives, Rear Axles, and Differentials on Caterpillar Machines {0680, 0768, 3258, 3260, 4050}

Service Magazine

Product Information Guide, SEBF1015, "Improving Component Durability" , "Final Drives and Differentials" is now available {3258, 3282, 4050}
2008/12/29

Proper Differential Warmup and Break-In Can Extend the Service Life of Differential Bearings on Certain Off-Highway Trucks {3258}
2012/06/01

Cat Reman Announces the Addition of Drivetrain Components for Large Mining Trucks {3030, 3101, 3105, 3258, 4050, 4205, 5102, 7000}
2014/10/14

A New Recommended Sealant is Now Used for Differential Pinion Assemblies on Certain Large Off-Highway Trucks {3254, 3258}
A New Recommended Sealant is Now Used for Differential Pinion Assemblies on Certain Large Off-Highway Trucks {3254, 3258}

Technical Information Bulletin

A NEW SEAL MAY BE USED IN THE PUMP DRIVES OF CERTAIN OFF-HIGHWAY TRUCKS
A NEW SEAL MAY BE USED IN THE PUMP DRIVES OF CERTAIN OFF-HIGHWAY TRUCKS

Specifications

Pump Drive
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Tool Operating Manual

M0074040: 509-5085 Lifting Tool Assembly {0374, 0599, 0629, 0632, 3023, 3159, 3160, 5363, 7000}
M0074040: 509-5085 Lifting Tool Assembly {0374, 0599, 0629, 0632, 3023, 3159, 3160, 5363, 7000}

Systems Operation

Pump Drive
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Reuse And Salvage Guidelines

Repair of Web Cracks In Final Drive Planetary Carriers {4092}
Repair of Web Cracks In Final Drive Planetary Carriers {4092}

Testing and Adjusting

Pump Drive - Adjust
784C and 785C Off-Highway Truck/Tractors Steering System

Disassembly and Assembly

Pump Drive - Remove
784C and 785C Off-Highway Trucks Machine Systems

Pump Drive - Install
784C and 785C Off-Highway Trucks Machine Systems

Pump Drive - Disassemble
784C and 785C Off-Highway Trucks Machine Systems

Pump Drive - Assemble
784C and 785C Off-Highway Trucks Machine Systems

Service Magazine

New Cage And Adapter Assemblies Available For Power Take Off (PTO) Drives {1207}
1999/11/22

Reuse And Salvage Guidelines

Transmission, Torque Converter, and Final Drive Updates for 768C through 793C Off-Highway Trucks{3001, 3030, 4050}
Transmission, Torque Converter, and Final Drive Updates for 768C through 793C Off-Highway Trucks{3001, 3030, 4050}

Tool Operating Manual

345-1236 Lifting Bracket{0599, 0629, 0632, 6605}
345-1236 Lifting Bracket{0599, 0629, 0632, 6605}

Contamination Control Guidelines

Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}
Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}

Operation and Maintenance Manual

Rear Axle Oil Filter - Replace
784C and 785C Off-Highway Truck/Tractors

Transmission Oil Filter - Replace
784C and 785C Off-Highway Truck/Tractors

Special Instruction

Guidelines for the Use of Clean Out Filters for the Hydraulic Oil System and for the Power Train Oil System{3067, 5068}
Guidelines for the Use of Clean Out Filters for the Hydraulic Oil System and for the Power Train Oil System{3067, 5068}

Procedure to Install the Rear Axle Lubrication Filter Retrofit Kit on the 785C and the 789C Off-Highway Trucks{1300, 3004, 3016, 3282}
Procedure to Install the Rear Axle Lubrication Filter Retrofit Kit on the 785C and the 789C Off-Highway Trucks{1300, 3004, 3016, 3282}

Technical Information Bulletin

Certain Off-Highway Trucks Are Now Shipped With Cleanout Filters For The Hydraulic Systems (These Include: Transmission, Steering, Hoist, And Brake Systems
Certain Off-Highway Trucks Are Now Shipped With Cleanout Filters For The Hydraulic Systems (These Include: Transmission, Steering, Hoist, And Brake Systems

Specifications

Oil Filter (Torque Converter)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Oil Filter (Transmission Charging)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Oil Filter (Transmission Lubrication)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Oil Filter (Rear Axle)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Oil Filter (Transmission Charging)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Systems Operation

Oil Filter (Torque Converter)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Oil Filter (Transmission Charging)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Oil Filter (Transmission Lubrication)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Oil Filter (Rear Axle)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Contamination Control Guidelines

Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}
Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}

Disassembly and Assembly

Oil Filter and Base (Torque Converter) - Remove
784C and 785C Off-Highway Truck Power Train

Oil Filter and Base (Torque Converter) - Install
784C and 785C Off-Highway Truck Power Train

Oil Filter and Base (Torque Converter) - Disassemble
784C and 785C Off-Highway Truck Power Train

Oil Filter and Base (Torque Converter) - Assemble
784C and 785C Off-Highway Truck Power Train

Oil Filter and Base (Transmission Charging) - Remove
784C and 785C Off-Highway Truck Power Train

Oil Filter and Base (Transmission Charging) - Install
784C and 785C Off-Highway Truck Power Train

Oil Filter and Base (Transmission Lubrication) - Remove
784C and 785C Off-Highway Truck Power Train

Oil Filter and Base (Transmission Lubrication) - Install
784C and 785C Off-Highway Truck Power Train

Oil Filter (Rear Axle) - Remove
784C and 785C Off-Highway Truck Power Train

Oil Filter (Rear Axle) - Install
784C and 785C Off-Highway Truck Power Train

Oil Filter (Rear Axle) - Disassemble
784C and 785C Off-Highway Truck Power Train

Oil Filter (Rear Axle) - Assemble
784C and 785C Off-Highway Truck Power Train

Oil Filter and Base (Transmission Lubrication) - Disassemble
784C and 785C Off-Highway Truck Power Train

Oil Filter and Base (Transmission Charging) - Disassemble
784C and 785C Off-Highway Truck Power Train

Oil Filter and Base (Transmission Lubrication) - Assemble
784C and 785C Off-Highway Truck Power Train

Oil Filter and Base (Transmission Charging) - Assemble
784C and 785C Off-Highway Truck Power Train

Service Magazine

Change in Performance Rating of the 4T-3131 Filter Element {3004}
2000/01/24

New 20 Micron Filters are Available for Rear Axle Lubrication {3004, 5068}
2001/12/10

Certain Off-Highway Trucks Are Now Shipped with Cleanout Filters For Hydraulic Systems {5068}
2004/06/21

Color Coded Dust Caps for S·O·S Ports Will Be Available {7770}
2003/12/01

A 6 Micron Element is Available for the Transmission Charging System {3004, 5068}
2002/04/01

Optional High Efficiency Filters Are Now Available {3004, 5068}
2007/12/17

Understanding Transmission Filter Plugging Events {3004, 3067}
2007/04/02

New O-Ring Seals Update the Oil Filter Group for the Transmission {3067}
2008/11/10

New Advanced Efficiency Filters Are Now Available for the Transmission Assembly and the Torque Converter Assembly {1408, 1435, 3004, 3067, 5068}
2010/02/18

A Rear Axle Lubrication Filter Retrofit Upgrade is Now Available for the 785C and the 789C Off-Highway Trucks {1300, 3004, 3016, 3282}
2012/06/25

New Oil Filters for all Cat Machines are Available {3004, 3067, 4295, 431F, 5068}
New Oil Filters for all Cat Machines are Available {3004, 3067, 4295, 431F, 5068}

Contamination Control Guidelines

Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}
Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}

Specifications

Transfer Gears
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Tool Operating Manual

M0074040: 509-5085 Lifting Tool Assembly {0374, 0599, 0629, 0632, 3023, 3159, 3160, 5363, 7000}
M0074040: 509-5085 Lifting Tool Assembly {0374, 0599, 0629, 0632, 3023, 3159, 3160, 5363, 7000}

Systems Operation

Transfer Gears
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Reuse And Salvage Guidelines

Reusability of Drive Train Gears {3002, 3159, 3256, 4055}
Reusability of Drive Train Gears {3002, 3159, 3256, 4055}

Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}
Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}

"White Layer Flaking" of Transfer Gears in Off-Highway Trucks and Tractors{3159}
"White Layer Flaking" of Transfer Gears in Off-Highway Trucks and Tractors{3159}

Testing and Adjusting

Transfer Gear End Play - Adjust
784C and 785C Off-Highway Truck/Tractors Power Train

Disassembly and Assembly

Transfer Gears - Disassemble
784C and 785C Off-Highway Truck Power Train

Transfer Gears - Assemble
784C and 785C Off-Highway Truck Power Train

Transmission Planetary and Transfer Gears - Remove
784C and 785C Off-Highway Truck Power Train

Transmission Planetary and Transfer Gears - Install
784C and 785C Off-Highway Truck Power Train

Service Magazine

A New Lip Seal Is Used in the Transmissions of Large Off-Highway Trucks {3030, 3159}
2003/10/13

Spanner Wrench is Available for Ecology Drain Valves {1302, 1353, 1372, 5076, 5613}
2006/03/20

Loctite 609 or Loctite 648 Are Now Used to Retain the Carrier Bearing on Certain OEM and Off-Highway Trucks {0649, 3159, 3160, 4084}
Loctite 609 or Loctite 648 Are Now Used to Retain the Carrier Bearing on Certain OEM and Off-Highway Trucks {0649, 3159, 3160, 4084}

Tool Operating Manual

M0074040: 509-5085 Lifting Tool Assembly {0374, 0599, 0629, 0632, 3023, 3159, 3160, 5363, 7000}
M0074040: 509-5085 Lifting Tool Assembly {0374, 0599, 0629, 0632, 3023, 3159, 3160, 5363, 7000}

Reuse And Salvage Guidelines

Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}
Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}

"White Layer Flaking" of Transfer Gears in Off-Highway Trucks and Tractors{3159}
"White Layer Flaking" of Transfer Gears in Off-Highway Trucks and Tractors{3159}

Special Instruction

Machining a Threaded Hole to Allow the Assembly of a Diffuser Valve in the Rims of Large Off-Highway Trucks {4202, 4203, 4209, 5502, 7461}
Machining a Threaded Hole to Allow the Assembly of a Diffuser Valve in the Rims of Large Off-Highway Trucks {4202, 4203, 4209, 5502, 7461}

Service Magazine

A Diffuser for Rims is Now Available on Certain Off-Highway Trucks {4203, 5502, 7461}
A Diffuser for Rims is Now Available on Certain Off-Highway Trucks {4203, 5502, 7461}

Special Instruction

O-Rings - Radial, Fitting Assembly O-Rings and Other O-Ring Applications {0599, 0738, 4000, 4250, 4300, 5050, 5057, 7555}
O-Rings - Radial, Fitting Assembly O-Rings and Other O-Ring Applications {0599, 0738, 4000, 4250, 4300, 5050, 5057, 7555}

Reuse And Salvage Guidelines

Replacing Tubes In Housings That Are Installed With Mechanical Joints (Expanded and Welded) {3016, 3154, 4104, 4133, 5057}
Replacing Tubes In Housings That Are Installed With Mechanical Joints (Expanded and Welded) {3016, 3154, 4104, 4133, 5057}

Special Instruction

Hose and Coupling Assembly and Repair Process Guide{0684, 3016, 3103, 3154, 4133, 4257, 4304, 5057, 7554}
Hose and Coupling Assembly and Repair Process Guide{0684, 3016, 3103, 3154, 4133, 4257, 4304, 5057, 7554}

O-Rings - Radial, Fitting Assembly O-Rings and Other O-Ring Applications {0599, 0738, 4000, 4250, 4300, 5050, 5057, 7555}
O-Rings - Radial, Fitting Assembly O-Rings and Other O-Ring Applications {0599, 0738, 4000, 4250, 4300, 5050, 5057, 7555}

Contamination Control Guidelines

Filtration Procedure for Off-Highway Truck Transmission and Torque Converter Oil {0680, 0768, 3016, 3030, 3101}
Filtration Procedure for Off-Highway Truck Transmission and Torque Converter Oil {0680, 0768, 3016, 3030, 3101}

Service Magazine

Color Coded Dust Caps for S·O·S Ports Will Be Available {7770}
2003/12/01

A New Brake Cooling Screen is Available for Improved Service Life {1374, 1380, 3016, 3154, 5057}
2003/02/10

New Parts are Available for the Power Train Filter Lines {3016, 3154}
2008/10/20

Operation and Maintenance Manual

Transmission Breather - Clean
784C and 785C Off-Highway Truck/Tractors

Specifications

Gear Pump (Rear Axle Oil)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Reuse And Salvage Guidelines

Replacing Tubes In Housings That Are Installed With Mechanical Joints (Expanded and Welded) {3016, 3154, 4104, 4133, 5057}
Replacing Tubes In Housings That Are Installed With Mechanical Joints (Expanded and Welded) {3016, 3154, 4104, 4133, 5057}

Service Magazine

New Parts Are Now Used In the Transmission Oil Lines on Certain Off-Highway Trucks {3016, 3154}
2009/11/13

Special Instruction

Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}

Test Specifications for Vane Cartridges{0784, 5058, 5070}
Test Specifications for Vane Cartridges{0784, 5058, 5070}

Tool Operating Manual

Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}

Reuse And Salvage Guidelines

Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}

Specifications and Reusability for Hydraulic Gear Pumps and Motors{5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors{5061, 5073}

Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}

Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 4, 5, and 6) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 4, 5, and 6) {5061, 5073}

Specifications For Hydraulic Piston Pump And Motor Components {3083, 3203, 3221, 3222, 4351, 5058, 5069, 5070, 5117}
Specifications For Hydraulic Piston Pump And Motor Components {3083, 3203, 3221, 3222, 4351, 5058, 5069, 5070, 5117}

General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}

Bench Test Procedures

Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}

Special Instruction

Instructions to Register the Retrofit and Submit Service Reporting {1000, 3000, 7000, 7570}
Instructions to Register the Retrofit and Submit Service Reporting {1000, 3000, 7000, 7570}

Reuse And Salvage Guidelines

Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}
Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}

Final Drive Steering System, Wheel Braking System, and Wheels & Tires Salvage and Reuse Manual Contents {4000, 4050, 4100, 4250, 4300}
Final Drive Steering System, Wheel Braking System, and Wheels & Tires Salvage and Reuse Manual Contents {4000, 4050, 4100, 4250, 4300}

Major Non-Engine Power Train Component Receiving and Inspection Report for Off-Highway Trucks{3000, 4000}
Major Non-Engine Power Train Component Receiving and Inspection Report for Off-Highway Trucks{3000, 4000}

Service Magazine

Improved Registration Process for Retrofit Products {1000, 3000, 7000, 7570}
2011/02/17

Updated Torque Value for the Magnetic Plug on Multiple Hydraulic Systems of Certain CAT Products {5050, 7000}
Updated Torque Value for the Magnetic Plug on Multiple Hydraulic Systems of Certain CAT Products {5050, 7000}

Special Instruction

Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}

Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}

Test Specifications for Vane Cartridges{0784, 5058, 5070}
Test Specifications for Vane Cartridges{0784, 5058, 5070}

Specifications

Gear Pump (Rear Axle Oil)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Gear Pump (Torque Converter and Parking Brake Release)
784C and 785C Off-Highway Truck/Tractors Air System and Brakes

Gear Pump (Transmission)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Tool Operating Manual

Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}

Systems Operation

Gear Pump (Rear Axle Oil)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Gear Pump (Torque Converter and Parking Brake Release)
784C, 785C and 785C HAA Off-Highway Truck Air System and Brakes

Gear Pump (Transmission)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Reuse And Salvage Guidelines

Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}

Hydraulic Gear Pumps Used in Transmissions {3066, 5073}
Hydraulic Gear Pumps Used in Transmissions {3066, 5073}

Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}

Specifications and Reusability for Hydraulic Gear Pumps and Motors{5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors{5061, 5073}

Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}

Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 4, 5, and 6) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 4, 5, and 6) {5061, 5073}

Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}

Specifications For Hydraulic Piston Pump And Motor Components {3083, 3203, 3221, 3222, 4351, 5058, 5069, 5070, 5117}
Specifications For Hydraulic Piston Pump And Motor Components {3083, 3203, 3221, 3222, 4351, 5058, 5069, 5070, 5117}

General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}

Thermal Spray Procedures for Tyrone Drive Shaft (Pump Gear){0679, 3066, 5073}
Thermal Spray Procedures for Tyrone Drive Shaft (Pump Gear){0679, 3066, 5073}

Testing and Adjusting

Gear Pump (Transmission Charging) Pressure - Test and Adjust
784C and 785C Off-Highway Truck/Tractors Power Train

Bench Test Procedures

Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}

Bench Test Procedure for Gear Pumps {5073}
Bench Test Procedure for Gear Pumps {5073}

Bench Test Procedure for Hydraulic Piston Pumps{5070}
Bench Test Procedure for Hydraulic Piston Pumps{5070}

Disassembly and Assembly

Gear Pump (Torque Converter and Parking Brake Release) - Remove
784C and 785C Off-Highway Trucks Machine Systems

Gear Pump (Transmission) - Remove
784C and 785C Off-Highway Truck Power Train

Gear Pump (Transmission) - Install
784C and 785C Off-Highway Truck Power Train

Gear Pump (Transmission) - Disassemble
784C and 785C Off-Highway Truck Power Train

Gear Pump (Transmission) - Assemble
784C and 785C Off-Highway Truck Power Train

Gear Pump (Torque Converter and Parking Brake Release) - Install
784C and 785C Off-Highway Trucks Machine Systems

Gear Pump (Torque Converter and Parking Brake Release) - Disassemble
784C and 785C Off-Highway Trucks Machine Systems

Gear Pump (Torque Converter and Parking Brake Release) - Assemble
784C and 785C Off-Highway Trucks Machine Systems

Gear Pump (Rear Axle Oil) - Remove
784C and 785C Off-Highway Truck Power Train

Gear Pump (Rear Axle Oil) - Install
784C and 785C Off-Highway Truck Power Train

Gear Pump (Rear Axle Oil) - Disassemble
784C and 785C Off-Highway Truck Power Train

Gear Pump (Rear Axle Oil) - Assemble
784C and 785C Off-Highway Truck Power Train

Service Magazine

A New High Temperature Seal is Now Available {3066, 3115, 3138, 3291, 5073}
2008/03/03

Systems Operation

Magnetic Screen (Transmission)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Special Instruction

Tool and Specification Chart for Conventional Duo-Cone Seal Groups {0599, 7561}
Tool and Specification Chart for Conventional Duo-Cone Seal Groups {0599, 7561}

Inspection of the Duo-cone Seal Gp{4050, 4051, 7561}
Inspection of the Duo-cone Seal Gp{4050, 4051, 7561}

Service Magazine

Improved 8T-0531 Duo-Cone Seal Installer As Is Now Available {0700, 0722, 0727}
2006/01/02

Final Drive Duo-Cone Seal Assembly Information Update {7561}
2009/01/26

Determining the Severity of a Leak of the Duo-cone Seal Gp {4050, 4051, 7561}
2010/02/25

Operation and Maintenance Manual

Drive Shaft Slip Joint - Lubricate
784C and 785C Off-Highway Truck/Tractors

Drive Shaft Universal Joint Bolts - Check
784C and 785C Off-Highway Truck/Tractors

Special Instruction

Procedure to Retrofit a Drive Shaft Guard Group to Certain 785B, 785C, 789C, and 793D Off-Highway Trucks{3253, 7150, 7153}
Procedure to Retrofit a Drive Shaft Guard Group to Certain 785B, 785C, 789C, and 793D Off-Highway Trucks{3253, 7150, 7153}

Technical Information Bulletin

Main Drive Shaft Bolts May Loosen or Facture on Certain Off-Highway Trucks{3251, 3253}
Main Drive Shaft Bolts May Loosen or Facture on Certain Off-Highway Trucks{3251, 3253}

Specifications

Drive Shaft (Main)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Reuse And Salvage Guidelines

Universal Joints and Drive Shafts {3108, 3251, 3253}
Universal Joints and Drive Shafts {3108, 3251, 3253}

Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}
Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}

Torque Converter, Divider, Drive Line, and Drive Axle Reuse and Salvage Manual Contents {0374, 3000, 3050, 3100, 3250, 3251, 3253, 3258}
Torque Converter, Divider, Drive Line, and Drive Axle Reuse and Salvage Manual Contents {0374, 3000, 3050, 3100, 3250, 3251, 3253, 3258}

Procedure to Machine Damaged Transmission and Differential Yokes {3030, 3253, 3258}
Procedure to Machine Damaged Transmission and Differential Yokes {3030, 3253, 3258}

Disassembly and Assembly

Drive Shaft (Main) - Remove and Install
784C and 785C Off-Highway Truck Power Train

Service Magazine

A New Procedure to Retrofit a Drive Shaft Guard Group to Certain 785B, 785C, 789C, and 793D Off-Highway Trucks is Now Available {3253, 7150, 7153}
2015/01/16

Proper Installation and Tightening of Bolts Improves Driveshaft Performance on Certain Large Off-Highway Trucks {3251, 3253}
Proper Installation and Tightening of Bolts Improves Driveshaft Performance on Certain Large Off-Highway Trucks {3251, 3253}

Technical Information Bulletin

Main Drive Shaft Bolts May Loosen or Facture on Certain Off-Highway Trucks{3251, 3253}
Main Drive Shaft Bolts May Loosen or Facture on Certain Off-Highway Trucks{3251, 3253}

Reuse And Salvage Guidelines

Universal Joints and Drive Shafts {3108, 3251, 3253}
Universal Joints and Drive Shafts {3108, 3251, 3253}

Torque Converter, Divider, Drive Line, and Drive Axle Reuse and Salvage Manual Contents {0374, 3000, 3050, 3100, 3250, 3251, 3253, 3258}
Torque Converter, Divider, Drive Line, and Drive Axle Reuse and Salvage Manual Contents {0374, 3000, 3050, 3100, 3250, 3251, 3253, 3258}

Service Magazine

Proper Installation and Tightening of Bolts Improves Driveshaft Performance on Certain Large Off-Highway Trucks {3251, 3253}
Proper Installation and Tightening of Bolts Improves Driveshaft Performance on Certain Large Off-Highway Trucks {3251, 3253}

Reuse And Salvage Guidelines

Thermal Spray Procedures for OHT Rear Spindles {0599, 0679, 4006, 4205}
Thermal Spray Procedures for OHT Rear Spindles {0599, 0679, 4006, 4205}

Thermal Spray Procedures for OHT Front Spindles {0679, 4006, 4205}
Thermal Spray Procedures for OHT Front Spindles {0679, 4006, 4205}

Filtration Times for Caterpillar Machine Fluid Compartments{0680, 0738, 0768, 3080, 5050, 5056, 5095}
Filtration Times for Caterpillar Machine Fluid Compartments{0680, 0738, 0768, 3080, 5050, 5056, 5095}

Contamination Control Guidelines

Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}
Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}

Filtration Procedure for Off-Highway Truck (769-793) Transmission Oil {0680, 0768, 3030, 3177}
Filtration Procedure for Off-Highway Truck (769-793) Transmission Oil {0680, 0768, 3030, 3177}

Filtration Times for Caterpillar Machine Fluid Compartments{0680, 0738, 0768, 3080, 5050, 5056, 5095}
Filtration Times for Caterpillar Machine Fluid Compartments{0680, 0738, 0768, 3080, 5050, 5056, 5095}

Service Magazine

243-3133 Quick Connect Coupler (Fluid Sampling) Provides A Coupler for Portable Particle Analyzers {0707, 0717, 0731, 0732, 0738}
2004/07/01

Additional Parts are Available for the Filler Cap {3177, 4332, 5056}
2007/09/17

Truck Engine News

Single Purpose Fluid Sampling Valves and Dual Purpose Fluid Sampling Valves Require Different Quick Connect Couplers {0645, 7542}
2004/12/01

New Infrared Thermometer Has Narrow, 50:1 Target Ratio, Wide Temperature Range {0776, 1350, 3000, 4000, 4150, 4250}
2006/03/27

Engine News

Single Purpose Fluid Sampling Valves and Dual Purpose Fluid Sampling Valves Require Different Quick Connect Couplers {0645, 7542}
2004/12/01

Special Instruction

Procedure to Salvage the Slots for the Pin and Holes for the Reaction Dowel in Transmission Clutch Plates, Pistons, and Housings {3030, 3050, 3169, 3170, 3190}
Procedure to Salvage the Slots for the Pin and Holes for the Reaction Dowel in Transmission Clutch Plates, Pistons, and Housings {3030, 3050, 3169, 3170, 3190}

Test Specifications for Vane Cartridges{0784, 5058, 5070}
Test Specifications for Vane Cartridges{0784, 5058, 5070}

Caterpillar Off-Highway Truck (777, 785, 789, 793, and 797) Torque Converter Removal and Installation Technician Checklist {0372, 0374, 3101, 3101}
Caterpillar Off-Highway Truck (777, 785, 789, 793, and 797) Torque Converter Removal and Installation Technician Checklist {0372, 0374, 3101, 3101}

Off-Highway Truck (777, 785, 789, 793, and 797) Technician Checklist Transmission Removal and Installation {0372, 0374, 3030, 3030}
Off-Highway Truck (777, 785, 789, 793, and 797) Technician Checklist Transmission Removal and Installation {0372, 0374, 3030, 3030}

Caterpillar Off-Highway Truck (777, 785, 789, 793, and 797) Technician Checklist Differential Removal and Installation Checklist{0372, 0374, 3258, 3258}
Caterpillar Off-Highway Truck (777, 785, 789, 793, and 797) Technician Checklist
Differential Removal and Installation Checklist{0372, 0374, 3258, 3258}

Caterpillar Off-Highway Truck (777, 785, 789, 793, and 797) Technician Checklist Engine and Torque Converter Removal and Installation {0372, 0374, 1000, 1000, 1003, 1003, 3101, 3101}
Caterpillar Off-Highway Truck (777, 785, 789, 793, and 797) Technician Checklist Engine and Torque Converter Removal and Installation {0372, 0374, 1000, 1000, 1003, 1003, 3101, 3101}

Caterpillar Off-Highway Truck (777, 785, 789, 793, and 797) Technician Checklist Final Drive Removal and Installation {0372, 0374, 4001, 4001, 4011, 4011, 4050, 4050}
Caterpillar Off-Highway Truck (777, 785, 789, 793, and 797) Technician Checklist Final Drive Removal and Installation {0372, 0374, 4001, 4001, 4011, 4011, 4050, 4050}

Rim Inspection Guidelines {4202, 4209}
Rim Inspection Guidelines {4202, 4209}

Hose Inspection Form {0374, 0599, 5057, 5057}
Hose Inspection Form {0374, 0599, 5057, 5057}

Tool Operating Manual

Using the 198-4240 Digital Pressure Indicator Group{0599, 0738, 0788, 1000, 3000, 4000, 5000, 6000}
Using the 198-4240 Digital Pressure Indicator Group{0599, 0738, 0788, 1000, 3000, 4000, 5000, 6000}

226-2380 Multi-Purpose Lifting Bracket Group{3258, 4050, 4084, 4208, 7561}
226-2380 Multi-Purpose Lifting Bracket Group{3258, 4050, 4084, 4208, 7561}

142-1664 Adjustable Lifting Bracket Group{0599, 0629, 0700, 0729, 0757, 1122}
142-1664 Adjustable Lifting Bracket Group{0599, 0629, 0700, 0729, 0757, 1122}

Base-Mounted Recirculating Parts Washers{0374, 0599, 0680, 0699, 0700}
Base-Mounted Recirculating Parts Washers{0374, 0599, 0680, 0699, 0700}

193-4122 Rear Wheel Bearing Preload Adjuster for 785 Off-Highway Trucks{4201, 4201, 7551}
193-4122 Rear Wheel Bearing Preload Adjuster for 785 Off-Highway Trucks{4201, 4201, 7551}

362-0960 Lifting Beam Assembly {0599, 0629, 0700, 0729, 0757, 1122}
362-0960 Lifting Beam Assembly {0599, 0629, 0700, 0729, 0757, 1122}

149-7173 Bearing Handling Bracket Assembly {0374, 0599, 0629, 0632, 4006, 4008, 7551}
149-7173 Bearing Handling Bracket Assembly {0374, 0599, 0629, 0632, 4006, 4008, 7551}

439-3938, 439-3939, 439-3940, 439-3941, 439-3942, 439-3943 Link Bracket Assemblies {0374, 0599, 0632, 0700, 7000}
439-3938, 439-3939, 439-3940, 439-3941, 439-3942, 439-3943 Link Bracket Assemblies {0374, 0599, 0632, 0700, 7000}

127-8458 Final Drive Disassembly and Assembly Bench {0374, 0599, 0722, 0727}
127-8458 Final Drive Disassembly and Assembly Bench {0374, 0599, 0722, 0727}

146-1738 Precision Borescope (Hawkeye){0599, 0614, 0644, 0701, 0706, 0708, 0727, 0738}
146-1738 Precision Borescope (Hawkeye){0599, 0614, 0644, 0701, 0706, 0708, 0727, 0738}

TT5000 to TT7000 Torque Turn Wrench Conversion{0374, 0599, 0602, 0677, 79NY}
TT5000 to TT7000 Torque Turn Wrench Conversion{0374, 0599, 0602, 0677, 79NY}

128-4775 Lifting Bracket Assembly{0599, 0632, 0727, 1122, 4050}
128-4775 Lifting Bracket Assembly{0599, 0632, 0727, 1122, 4050}

420-2048 Adjustable C-Frame Assembly{0629, 0632, 0738, 4000, 5050, 7000}
420-2048 Adjustable C-Frame Assembly{0629, 0632, 0738, 4000, 5050, 7000}

HVOF Identifier 396-9342 Group{0599, 0669, 0679, 7000}
HVOF Identifier 396-9342 Group{0599, 0669, 0679, 7000}

4-Inch Radial Hose Machine{0374, 0599, 0684, 0738, 5057}
4-Inch Radial Hose Machine{0374, 0599, 0684, 0738, 5057}

142-6893 Adjustable Lifting Bracket Group{0599, 0629, 0632, 0701, 0717, 1000, 4000, 7000}
142-6893 Adjustable Lifting Bracket Group{0599, 0629, 0632, 0701, 0717, 1000, 4000, 7000}

226-2380 Adjustable C-Hook Extension{0374, 0599, 0632, 0727, 1122, 3258, 4050, 4084, 4208, 7561}
226-2380 Adjustable C-Hook Extension{0374, 0599, 0632, 0727, 1122, 3258, 4050, 4084, 4208, 7561}

Procedures for Using the 212-1503 Portable Parts Washer{0374, 0599, 0680, 0699, 0700}
Procedures for Using the 212-1503 Portable Parts Washer{0374, 0599, 0680, 0699, 0700}

Using the 223-2105 Hose Cutting Machine{0374, 0599, 0678, 0684, 0708, 0738, 5057, 6060}
Using the 223-2105 Hose Cutting Machine{0374, 0599, 0678, 0684, 0708, 0738, 5057, 6060}

Crimping XT-3 ES and XT-5 S4G, MCSH, and MCSX Couplings Using 4C-3660, 4C-5052, 4C-5053, 9U-5792, or 9U-7261 Hose Machines{0374, 0599, 0684, 0738, 5057}
Crimping XT-3 ES and XT-5 S4G, MCSH, and MCSX Couplings Using 4C-3660, 4C-5052, 4C-5053, 9U-5792, or 9U-7261 Hose Machines{0374, 0599, 0684, 0738, 5057}

243-0765 Bench Model Hose Machine For Use With the 242-3567 Variable Crimp Die Bowl{0374, 0599, 0684, 0738, 5057}
243-0765 Bench Model Hose Machine For Use With the 242-3567 Variable Crimp Die Bowl{0374, 0599, 0684, 0738, 5057}

193-4124 Rear Wheel Bearing Preload Adjuster for 793 Off-Highway Trucks{0374, 0599, 0700, 0722, 0727, 0731}
193-4124 Rear Wheel Bearing Preload Adjuster for 793 Off-Highway Trucks{0374, 0599, 0700, 0722, 0727, 0731}

Rear Final Drive Brake and Wheel Group Assembly and Disassembly System{0374, 0599, 0700, 0727, 0730, 0731}
Rear Final Drive Brake and Wheel Group Assembly and Disassembly System{0374, 0599, 0700, 0727, 0730, 0731}

Using the 453-3204 Pressure and Temperature Test Group{0374, 0599, 0706, 0708, 0709, 0731, 0732, 0738, 1408, 1439}
Using the 453-3204 Pressure and Temperature Test Group{0374, 0599, 0706, 0708, 0709, 0731, 0732, 0738, 1408, 1439}

456-4449 Support Device{0374, 0599, 0629, 0632, 0700}
456-4449 Support Device{0374, 0599, 0629, 0632, 0700}

Installing 457-6030 (C3-290 Controller) on Hose Crimping Machines 233-8048, 286-4354, 286-4355, 275-6199, 286-4353, and 233-8038{0374, 0599, 0684, 0700, 0738, 5057}
Installing 457-6030 (C3-290 Controller) on Hose Crimping Machines 233-8048, 286-4354, 286-4355, 275-6199, 286-4353, and 233-8038{0374, 0599, 0684, 0700, 0738, 5057}

442-1750 Lifting Plate{0374, 0599, 0629, 0632, 0700, 1122}
442-1750 Lifting Plate{0374, 0599, 0629, 0632, 0700, 1122}

M0074040: 509-5085 Lifting Tool Assembly {0374, 0599, 0629, 0632, 3023, 3159, 3160, 5363, 7000}
M0074040: 509-5085 Lifting Tool Assembly {0374, 0599, 0629, 0632, 3023, 3159, 3160, 5363, 7000}

Base Mounted Recirculating Parts Washers {0374, 0599, 0680, 0699, 0700}
Base Mounted Recirculating Parts Washers {0374, 0599, 0680, 0699, 0700}

Reuse And Salvage Guidelines

Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}

Procedure to Salvage the Slots for the Pin and Holes for the Reaction Dowel in Transmission Clutch Plates, Pistons, and Housings {3030, 3050, 3169, 3170, 3190}
Procedure to Salvage the Slots for the Pin and Holes for the Reaction Dowel in Transmission Clutch Plates, Pistons, and Housings {3030, 3050, 3169, 3170, 3190}

Off-Highway Truck (777, 785, 789, 793, and 797) Technician Checklist Transmission Removal and Installation {0372, 0374, 3030, 3030}
Off-Highway Truck (777, 785, 789, 793, and 797) Technician Checklist Transmission Removal and Installation {0372, 0374, 3030, 3030}

Caterpillar Off-Highway Truck (777, 785, 789, 793, and 797) Technician Checklist Engine and Torque Converter Removal and Installation {0372, 0374, 1000, 1000, 1003, 1003, 3101, 3101}
Caterpillar Off-Highway Truck (777, 785, 789, 793, and 797) Technician Checklist Engine and Torque Converter Removal and Installation {0372, 0374, 1000, 1000, 1003, 1003, 3101, 3101}

Procedure to Inspect and Repair the Front Wheels on 785 - 797 Off-Highway Truck {0599, 0700, 0730, 0731, 4006, 4200, 4209, 4251}
Procedure to Inspect and Repair the Front Wheels on 785 - 797 Off-Highway Truck {0599, 0700, 0730, 0731, 4006, 4200, 4209, 4251}

Rear Axle Stiffener Installation Procedure for 785, 789, 793 & 795 Off-Highway Truck {0599, 0679, 0722, 3260, 3268, 7185}
Rear Axle Stiffener Installation Procedure for 785, 789, 793 & 795 Off-Highway Truck {0599, 0679, 0722, 3260, 3268, 7185}

Contamination Control Guidelines

Filtration Procedure for Off-Highway Truck (769-793) Transmission Oil {0680, 0768, 3030, 3177}
Filtration Procedure for Off-Highway Truck (769-793) Transmission Oil {0680, 0768, 3030, 3177}

Procedure for Filtering Off-Highway Truck Rear Axle Oil {0680, 0768, 3260, 4050}
Procedure for Filtering Off-Highway Truck Rear Axle Oil {0680, 0768, 3260, 4050}

Procedure for Filtering Final Drives, Rear Axles, and Differentials on Caterpillar Machines {0680, 0768, 3258, 3260, 4050}
Procedure for Filtering Final Drives, Rear Axles, and Differentials on Caterpillar Machines {0680, 0768, 3258, 3260, 4050}

Filtration Procedure for Off-Highway Truck Transmission and Torque Converter Oil {0680, 0768, 3016, 3030, 3101}
Filtration Procedure for Off-Highway Truck Transmission and Torque Converter Oil {0680, 0768, 3016, 3030, 3101}

Bench Test Procedures

Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}

Service Magazine

Tools Allow Calibration of Preload Adjusters for Wheel Bearings {0766, 0783}
2004/12/27

Single Purpose Fluid Sampling Valves and Dual Purpose Fluid Sampling Valves Require Different Quick Connect Couplers {0645, 7542}
2004/12/01

Improved 8T-0531 Duo-Cone Seal Installer As Is Now Available {0700, 0722, 0727}
2006/01/02

Installers Released for the Lip Type Seals in Transmissions and in Torque Converters {0719, 0720, 3030, 3101}
2006/03/20

Spanner Wrench is Available for Ecology Drain Valves {1302, 1353, 1372, 5076, 5613}
2006/03/20

A Rear Axle Stiffener Installation Procedure for 785, 789, 793 & 795F AC Off-Highway Trucks is Available {0599, 0679, 0722, 3260, 3268, 7185}
2015/08/31

Operation and Maintenance Manual

Suction Screen (Torque Converter) - Clean
784C and 785C Off-Highway Truck/Tractors

Special Instruction

Caterpillar Off-Highway Truck (777, 785, 789, 793, and 797) Torque Converter Removal and Installation Technician Checklist {0372, 0374, 3101, 3101}
Caterpillar Off-Highway Truck (777, 785, 789, 793, and 797) Torque Converter Removal and Installation Technician Checklist {0372, 0374, 3101, 3101}

Caterpillar Off-Highway Truck (777, 785, 789, 793, and 797) Technician Checklist Engine and Torque Converter Removal and Installation {0372, 0374, 1000, 1000, 1003, 1003, 3101, 3101}
Caterpillar Off-Highway Truck (777, 785, 789, 793, and 797) Technician Checklist Engine and Torque Converter Removal and Installation {0372, 0374, 1000, 1000, 1003, 1003, 3101, 3101}

Technical Information Bulletin

1T-1235 Torque Converter Freewheel Cams May Not Assemble Correctly
1T-1235 Torque Converter Freewheel Cams May Not Assemble Correctly

Specifications

Torque Converter (Housing)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Torque Converter
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Systems Operation

Torque Converter Hydraulic System
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Torque Converter
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Reuse And Salvage Guidelines

Reusability of Drive Train Gears {3002, 3159, 3256, 4055}
Reusability of Drive Train Gears {3002, 3159, 3256, 4055}

Transmission, Torque Converter and Relief Valve Bench Test Procedures Reference Manual Contents {3030, 3101, 3133}
Transmission, Torque Converter and Relief Valve Bench Test Procedures Reference Manual Contents {3030, 3101, 3133}

Salvage of Center Bearing in Torque Converter Input Housing {3101, 3127}
Salvage of Center Bearing in Torque Converter Input Housing {3101, 3127}

Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}
Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}

Cast Aluminum Stator Wheels for Torque Converters {3101, 3129}
Cast Aluminum Stator Wheels for Torque Converters {3101, 3129}

Turbine Wheel for Torque Converters Used with Power Shift Transmissions {3101, 3131}
Turbine Wheel for Torque Converters Used with Power Shift Transmissions {3101, 3131}

Torque Converter, Divider, Drive Line, and Drive Axle Reuse and Salvage Manual Contents {0374, 3000, 3050, 3100, 3250, 3251, 3253, 3258}
Torque Converter, Divider, Drive Line, and Drive Axle Reuse and Salvage Manual Contents {0374, 3000, 3050, 3100, 3250, 3251, 3253, 3258}

Repair of Transmission, Torque Converter, and Torque Divider Shafts {3000, 3063, 3100}
Repair of Transmission, Torque Converter, and Torque Divider Shafts {3000, 3063, 3100}

Reusability Inspection of Seal Ring and Stator Carrier Assemblies for Certain Models {0760, 0761, 3101, 3129, 3160, 7555}
Reusability Inspection of Seal Ring and Stator Carrier Assemblies for Certain Models {0760, 0761, 3101, 3129, 3160, 7555}

Transmission, Torque Converter, and Final Drive Updates for 768C through 793C Off-Highway Trucks{3001, 3030, 4050}
Transmission, Torque Converter, and Final Drive Updates for 768C through 793C Off-Highway Trucks{3001, 3030, 4050}

Thermal Spray Procedures for Pump Gear Drive Inside Diameter{0374, 0599, 0679, 3101}
Thermal Spray Procedures for Pump Gear Drive Inside Diameter{0374, 0599, 0679, 3101}

Thermal Spray Procedures for Torque Converter Turbine Wheel {0679, 3101, 3131}
Thermal Spray Procedures for Torque Converter Turbine Wheel {0679, 3101, 3131}

Thermal Spray Procedures for Torque Converter Impeller {0679, 3101, 3134}
Thermal Spray Procedures for Torque Converter Impeller {0679, 3101, 3134}

Thermal Spray Procedures for Transmission, Torque Converter and Torque Divider Shafts {0679, 0719, 3030, 3101, 3125, 3130}
Thermal Spray Procedures for Transmission, Torque Converter and Torque Divider Shafts {0679, 0719, 3030, 3101, 3125, 3130}

Thermal Spray Procedures for Torque Converter Carrier - Seal Ring Bore {0374, 0599, 0679, 3101, 3135}
Thermal Spray Procedures for Torque Converter Carrier - Seal Ring Bore {0374, 0599, 0679, 3101, 3135}

Thermal Spray Procedures for Torque Converter Input Housing {0679, 3101, 3127}
Thermal Spray Procedures for Torque Converter Input Housing {0679, 3101, 3127}

Thermal Spray Procedures for Transmission and Torque Converter Yokes {0599, 0679, 3001, 3030, 3101, 3160}
Thermal Spray Procedures for Transmission and Torque Converter Yokes {0599, 0679, 3001, 3030, 3101, 3160}

Caterpillar Off-Highway Truck (777, 785, 789, 793, and 797) Technician Checklist Engine and Torque Converter Removal and Installation {0372, 0374, 1000, 1000, 1003, 1003, 3101, 3101}
Caterpillar Off-Highway Truck (777, 785, 789, 793, and 797) Technician Checklist Engine and Torque Converter Removal and Installation {0372, 0374, 1000, 1000, 1003, 1003, 3101, 3101}

Contamination Control Guidelines

Filtration Procedure for Off-Highway Truck Transmission and Torque Converter Oil {0680, 0768, 3016, 3030, 3101}
Filtration Procedure for Off-Highway Truck Transmission and Torque Converter Oil {0680, 0768, 3016, 3030, 3101}

Information Release Memo

CAT REMAN ANNOUNCES THE ADDITION OF DRIVETRAIN COMPONENTS FOR LARGE MINING TRUCKS
CAT REMAN ANNOUNCES THE ADDITION OF DRIVETRAIN COMPONENTS FOR LARGE MINING TRUCKS

Testing and Adjusting

Torque Converter Lockup Clutch Pilot Pressure - Test and Adjust
784C and 785C Off-Highway Truck/Tractors Power Train

Torque Converter Lockup Clutch Leakage - Test
784C and 785C Off-Highway Truck/Tractors Power Train

Torque Converter Lockup Clutch Maximum Pressure - Test
784C and 785C Off-Highway Truck/Tractors Power Train

Torque Converter Lockup Clutch Signal Pressure - Test
784C and 785C Off-Highway Truck/Tractors Power Train

Torque Converter Lockup Clutch Primary Pressure - Test and Adjust
784C and 785C Off-Highway Truck/Tractors Power Train

General Information
784C and 785C Off-Highway Truck/Tractors Power Train

Visual Inspection (Power Train)
784C and 785C Off-Highway Truck/Tractors Power Train

Torque Converter Hydraulic System
784C and 785C Off-Highway Truck/Tractors Power Train

Specifications (Power Train)
784C and 785C Off-Highway Truck/Tractors Power Train

Hoist, Torque Converter, and Brake System Troubleshooting
784C and 785C Off-Highway Truck/Tractors Power Train

Torque Converter Lockup Clutch Supply Pressure - Test and Adjust
784C and 785C Off-Highway Truck/Tractors Power Train

System Information (Power Train)
784C and 785C Off-Highway Truck/Tractors Power Train

Bench Test Procedures

Bench Test Procedure For A 784B, 784C, 785B, 785C, and 785D Off-Highway Truck Torque Converter{3101}
Bench Test Procedure For A 784B, 784C, 785B, 785C, and 785D Off-Highway Truck Torque Converter{3101}

Transmission, Torque Converter and Relief Valve Bench Test Procedures Reference Manual Contents {3030, 3101, 3133}
Transmission, Torque Converter and Relief Valve Bench Test Procedures Reference Manual Contents {3030, 3101, 3133}

Disassembly and Assembly

Torque Converter - Disassemble
784C and 785C Off-Highway Truck Power Train

Torque Converter - Assemble
784C and 785C Off-Highway Truck Power Train

Engine and Torque Converter - Separate and Connect
3512B and 3516B Engine Supplement for and 784C,, 785C and and 785C HAA Off-Highway Truck/Tractors

Torque Converter - Remove
784C and 785C Off-Highway Truck Power Train

Torque Converter - Install
784C and 785C Off-Highway Truck Power Train

Engine and Torque Converter - Remove
3512B and 3516B Engine Supplement for and 784C,, 785C and and 785C HAA Off-Highway Truck/Tractors

Engine and Torque Converter - Install
3512B and 3516B Engine Supplement for and 784C,, 785C and and 785C HAA Off-Highway Truck/Tractors

Torque Converter - Assemble
784C and 785C Off-Highway Truck Power Train

Torque Converter - Disassemble
784C and 785C Off-Highway Truck Power Train

Service Magazine

Serial Numbers and Sequence Numbers Improve Component Life Tracking on Major Power Train Components {1000, 3030, 3101, 3258, 3284, 4050, 4208, 4234}
2000/04/17

New Special Instruction Manuals and New Mechanic's Checklist Pads are Available {0374}
2001/02/05

A New Seal Ring for the Torque Converter Has Improved Service Life {3101}
2004/07/26

Installers Released for the Lip Type Seals in Transmissions and in Torque Converters {0719, 0720, 3030, 3101}
2006/03/20

An Improved Friction Disc is now Used in the Torque Converter Group {3101}
2008/08/25

The Torque Converter Group is Updated {3101}
2007/08/06

Recommendations for Rebuilding Torque Converter Freewheel Stators on All Cat Products {3101, 3129}
2013/03/21

Cat Reman Announces the Addition of Drivetrain Components for Large Mining Trucks {3030, 3101, 3105, 3258, 4050, 4205, 5102, 7000}
2014/10/14

Torque Converter Lockup Clutch Primary Pressure - Test and Adjust Procedures are Updated on Certain Large Off-Highway Trucks {3101, 3102, 3105, 3124}
Torque Converter Lockup Clutch Primary Pressure - Test and Adjust Procedures are Updated on Certain Large Off-Highway Trucks {3101, 3102, 3105, 3124}

Reuse And Salvage Guidelines

Torque Converter, Divider, Drive Line, and Drive Axle Reuse and Salvage Manual Contents {0374, 3000, 3050, 3100, 3250, 3251, 3253, 3258}
Torque Converter, Divider, Drive Line, and Drive Axle Reuse and Salvage Manual Contents {0374, 3000, 3050, 3100, 3250, 3251, 3253, 3258}

Repair of Transmission, Torque Converter, and Torque Divider Shafts {3000, 3063, 3100}
Repair of Transmission, Torque Converter, and Torque Divider Shafts {3000, 3063, 3100}

Thermal Spray Procedures for Transmission, Torque Converter and Torque Divider Shafts {0679, 0719, 3030, 3101, 3125, 3130}
Thermal Spray Procedures for Transmission, Torque Converter and Torque Divider Shafts {0679, 0719, 3030, 3101, 3125, 3130}

Thermal Spray Procedures for Transmission and Torque Converter Yokes {0599, 0679, 3001, 3030, 3101, 3160}
Thermal Spray Procedures for Transmission and Torque Converter Yokes {0599, 0679, 3001, 3030, 3101, 3160}

Service Magazine

Recommendations for Rebuilding Torque Converter Freewheel Stators on All Cat Products {3101, 3129}
2013/03/21

Operation and Maintenance Manual

Transmission Magnetic Screen - Clean
784C and 785C Off-Highway Truck/Tractors

Transmission Tank Oil - Change
784C and 785C Off-Highway Truck/Tractors

Special Instruction

Removal and Installation of the Transmission for the 784B, 784C, 785, 785B, 785C, 789, 789B, 789C, 789D, 793, 793B, 793C, 793D, 793F, and 797F Off-Highway Truck/Tractor {3030}
Removal and Installation of the Transmission for the 784B, 784C, 785, 785B, 785C, 789, 789B, 789C, 789D, 793, 793B, 793C, 793D, 793F, and 797F Off-Highway Truck/Tractor {3030}

Bench Test Procedure for a 784B, 784C, 785, 785B, 785C,785D, 789, and 789B Off-Highway Truck Transmission{3030, 3073}
Bench Test Procedure for a 784B, 784C, 785, 785B, 785C,785D, 789, and 789B Off-Highway Truck Transmission{3030, 3073}

Procedure to Salvage the Slots for the Pin and Holes for the Reaction Dowel in Transmission Clutch Plates, Pistons, and Housings {3030, 3050, 3169, 3170, 3190}
Procedure to Salvage the Slots for the Pin and Holes for the Reaction Dowel in Transmission Clutch Plates, Pistons, and Housings {3030, 3050, 3169, 3170, 3190}

Off-Highway Truck (777, 785, 789, 793, and 797) Technician Checklist Transmission Removal and Installation {0372, 0374, 3030, 3030}
Off-Highway Truck (777, 785, 789, 793, and 797) Technician Checklist Transmission Removal and Installation {0372, 0374, 3030, 3030}

Procedure to Check Clutch Pressures using Updated Software and Cat Electronic Technician on Certain Off-Highway Trucks{3160, 4800, 4808, 7610, 7620}
Procedure to Check Clutch Pressures using Updated Software and Cat Electronic Technician on Certain Off-Highway Trucks{3160, 4800, 4808, 7610, 7620}

Technical Information Bulletin

Reaction Face Wear On Large Off-Highway Truck/Tractor Transmission Clutches
Reaction Face Wear On Large Off-Highway Truck/Tractor Transmission Clutches

New Software In Transmission Control (184-4671 Software Group) Offers New Parameters
New Software In Transmission Control (184-4671 Software Group) Offers New Parameters

Wear Of The 8E-8164 Thrust Disc May Cause Transmission
Wear Of The 8E-8164 Thrust Disc May Cause Transmission

Accelerated Wear Of Thrust Discs May Cause Transmission Failure
Accelerated Wear Of Thrust Discs May Cause Transmission Failure

Understanding Transmission Abuse Reports In Transmission Controls
Understanding Transmission Abuse Reports In Transmission Controls

A Quality Problem Is Identified on Friction Disc on Certain Caterpillar Products{3160}
A Quality Problem Is Identified on Friction Disc on Certain Caterpillar Products{3160}

Lock Plate in Transmission Planetary Group is Failing on Certain Large Off-Highway Trucks {3030, 3160}
Lock Plate in Transmission Planetary Group is Failing on Certain Large Off-Highway Trucks {3030, 3160}

Specifications

Transmission Planetary
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Switches - Trolley Engage Switch
785, 789, 793, 795F AC and 797F Off-Highway Truck Powered Access Stairway

Tool Operating Manual

M0074040: 509-5085 Lifting Tool Assembly {0374, 0599, 0629, 0632, 3023, 3159, 3160, 5363, 7000}
M0074040: 509-5085 Lifting Tool Assembly {0374, 0599, 0629, 0632, 3023, 3159, 3160, 5363, 7000}

Systems Operation

Transmission Planetary
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Transmission Hydraulic System
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Reuse And Salvage Guidelines

Bench Test Procedure for a 784B, 784C, 785, 785B, 785C,785D, 789, and 789B Off-Highway Truck Transmission{3030, 3073}
Bench Test Procedure for a 784B, 784C, 785, 785B, 785C,785D, 789, and 789B Off-Highway Truck Transmission{3030, 3073}

Procedure to Salvage the Slots for the Pin and Holes for the Reaction Dowel in Transmission Clutch Plates, Pistons, and Housings {3030, 3050, 3169, 3170, 3190}
Procedure to Salvage the Slots for the Pin and Holes for the Reaction Dowel in Transmission Clutch Plates, Pistons, and Housings {3030, 3050, 3169, 3170, 3190}

Reusability of Drive Train Gears {3002, 3159, 3256, 4055}
Reusability of Drive Train Gears {3002, 3159, 3256, 4055}

Transmission, Torque Converter and Relief Valve Bench Test Procedures Reference Manual Contents {3030, 3101, 3133}
Transmission, Torque Converter and Relief Valve Bench Test Procedures Reference Manual Contents {3030, 3101, 3133}

Identification of Non-Metallic Discs that are Used in Power Shift Transmissions {3030, 3155}
Identification of Non-Metallic Discs that are Used in Power Shift Transmissions {3030, 3155}

Transmission Clutch Plates and Disc Assemblies with Rayflex Friction Material {3030, 3155, 3190}
Transmission Clutch Plates and Disc Assemblies with Rayflex Friction Material {3030, 3155, 3190}

Transmission Clutch Plates and Disc Assemblies with Sintered Bronze Friction Material {3030, 3155, 3190}
Transmission Clutch Plates and Disc Assemblies with Sintered Bronze Friction Material {3030, 3155, 3190}

Transmission Clutch Plates and Disc Assemblies with F37 and F37X Friction Material {3030, 3155, 3190}
Transmission Clutch Plates and Disc Assemblies with F37 and F37X Friction Material {3030, 3155, 3190}

Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}
Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}

Identification and Applications of Transmission Clutch Plates and Specifications to Machine Reaction Faces for Power Shift Transmissions {3054, 3155, 3160, 3190}
Identification and Applications of Transmission Clutch Plates and Specifications to Machine Reaction Faces for Power Shift Transmissions {3054, 3155, 3160, 3190}

Transmission Reuse and Salvage Manual Contents {0374, 3030}
Transmission Reuse and Salvage Manual Contents {0374, 3030}

Clutch Ring Gears For All Power Shift Transmissions {3030, 3155}
Clutch Ring Gears For All Power Shift Transmissions {3030, 3155}

Individual Clutch Modulation (ICM) Control Valves{3065, 3139}
Individual Clutch Modulation (ICM) Control Valves{3065, 3139}

Procedure to Salvage Tang Slots on Transmission and Brake Pistons {0679, 3160, 4011, 4251}
Procedure to Salvage Tang Slots on Transmission and Brake Pistons {0679, 3160, 4011, 4251}

Repair of Transmission, Torque Converter, and Torque Divider Shafts {3000, 3063, 3100}
Repair of Transmission, Torque Converter, and Torque Divider Shafts {3000, 3063, 3100}

Reusability Inspection of Seal Ring and Stator Carrier Assemblies for Certain Models {0760, 0761, 3101, 3129, 3160, 7555}
Reusability Inspection of Seal Ring and Stator Carrier Assemblies for Certain Models {0760, 0761, 3101, 3129, 3160, 7555}

Reuse and Salvage of Transmission Components {3030}
Reuse and Salvage of Transmission Components {3030}

Procedure to Machine Damaged Transmission and Differential Yokes {3030, 3253, 3258}
Procedure to Machine Damaged Transmission and Differential Yokes {3030, 3253, 3258}

"White Layer Flaking" of Transfer Gears in Off-Highway Trucks and Tractors{3159}
"White Layer Flaking" of Transfer Gears in Off-Highway Trucks and Tractors{3159}

Transmission, Torque Converter, and Final Drive Updates for 768C through 793C Off-Highway Trucks{3001, 3030, 4050}
Transmission, Torque Converter, and Final Drive Updates for 768C through 793C Off-Highway Trucks{3001, 3030, 4050}

Procedures to Salvage Thrust Faces on Planetary Carriers {3160, 4050, 4051, 4093}
Procedures to Salvage Thrust Faces on Planetary Carriers {3160, 4050, 4051, 4093}

Repair of Reaction Dowel Holes in Transmission Clutch Housings {3030, 3155, 3169}
Repair of Reaction Dowel Holes in Transmission Clutch Housings {3030, 3155, 3169}

Thermal Spray Procedures for Clutch Housing Piston Bore {0679, 3160, 3169}
Thermal Spray Procedures for Clutch Housing Piston Bore {0679, 3160, 3169}

Thermal Spray Procedures for Clutch Piston Inside Diameter {0679, 3160, 3170}
Thermal Spray Procedures for Clutch Piston Inside Diameter {0679, 3160, 3170}

Thermal Spray Procedures for Transmission, Torque Converter and Torque Divider Shafts {0679, 0719, 3030, 3101, 3125, 3130}
Thermal Spray Procedures for Transmission, Torque Converter and Torque Divider Shafts {0679, 0719, 3030, 3101, 3125, 3130}

Thermal Spray Procedures for Transmission and Torque Converter Yokes {0599, 0679, 3001, 3030, 3101, 3160}
Thermal Spray Procedures for Transmission and Torque Converter Yokes {0599, 0679, 3001, 3030, 3101, 3160}

Off-Highway Truck (777, 785, 789, 793, and 797) Technician Checklist Transmission Removal and Installation {0372, 0374, 3030, 3030}
Off-Highway Truck (777, 785, 789, 793, and 797) Technician Checklist Transmission Removal and Installation {0372, 0374, 3030, 3030}

Contamination Control Guidelines

Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}
Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}

Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}
Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}

Filtration Procedure for Off-Highway Truck (769-793) Transmission Oil {0680, 0768, 3030, 3177}
Filtration Procedure for Off-Highway Truck (769-793) Transmission Oil {0680, 0768, 3030, 3177}

Filtration Procedure for Off-Highway Truck Transmission and Torque Converter Oil {0680, 0768, 3016, 3030, 3101}
Filtration Procedure for Off-Highway Truck Transmission and Torque Converter Oil {0680, 0768, 3016, 3030, 3101}

Information Release Memo

CAT REMAN ANNOUNCES THE ADDITION OF DRIVETRAIN COMPONENTS FOR LARGE MINING TRUCKS
CAT REMAN ANNOUNCES THE ADDITION OF DRIVETRAIN COMPONENTS FOR LARGE MINING TRUCKS

Testing and Adjusting

General Information
784C and 785C Off-Highway Truck/Tractors Power Train

Visual Inspection (Power Train)
784C and 785C Off-Highway Truck/Tractors Power Train

Specifications (Power Train)
784C and 785C Off-Highway Truck/Tractors Power Train

System Information (Power Train)
784C and 785C Off-Highway Truck/Tractors Power Train

Transmission Hydraulic System
784C and 785C Off-Highway Truck/Tractors Power Train

Transmission Troubleshooting
784C and 785C Off-Highway Truck/Tractors Power Train

Bench Test Procedures

Bench Test Procedure for a 784B, 784C, 785, 785B, 785C,785D, 789, and 789B Off-Highway Truck Transmission{3030, 3073}
Bench Test Procedure for a 784B, 784C, 785, 785B, 785C,785D, 789, and 789B Off-Highway Truck Transmission{3030, 3073}

Transmission, Torque Converter and Relief Valve Bench Test Procedures Reference Manual Contents {3030, 3101, 3133}
Transmission, Torque Converter and Relief Valve Bench Test Procedures Reference Manual Contents {3030, 3101, 3133}

Disassembly and Assembly

Transmission Planetary - Disassemble
784C and 785C Off-Highway Truck Power Train

Transmission Planetary - Assemble
784C and 785C Off-Highway Truck Power Train

Transmission Planetary and Transfer Gears - Remove
784C and 785C Off-Highway Truck Power Train

Transmission Planetary and Transfer Gears - Install
784C and 785C Off-Highway Truck Power Train

Service Magazine

Revised Special Instruction, REHS0126-02, "Caterpillar Electronic Controls Service Code Information Description List", Available{0374,1901,1927,1930,1948,3168,4348,4802,4808,4810,4812,5511,5701,7490,7494,7601,7602,7610}
1998/11/16

Check Distance Between Sun Gear And Planetary Carrier When Final Drive Cover Is Removed {4050}
1999/03/29

Correction To Service Manual Modules For Certain Off-Highway Trucks {3030,3160}
1999/03/29

Changes To Oil Viscosity Recommendations For Off-Highway Truck Transmissions {0374,3150}
1999/10/04

Serial Numbers and Sequence Numbers Improve Component Life Tracking on Major Power Train Components {1000, 3030, 3101, 3258, 3284, 4050, 4208, 4234}
2000/04/17

New Special Instruction Manuals and New Mechanic's Checklist Pads are Available {0374}
2001/02/05

New Clutch Discs with Improved Friction Material are Used for Improved Service Life {3030, 3160, 3187}
2001/11/19

New Reaction Pins are Used in the Transmission Clutches {3030}
2002/07/22

A New Planet Gear Is Used in the Transmission of Large Off-Highway Trucks {3030, 3160}
2003/09/29

A New Lip Seal Is Used in the Transmissions of Large Off-Highway Trucks {3030, 3159}
2003/10/13

New Planet Gears Are Used in the Transmission {3030}
2004/03/15

Installers Released for the Lip Type Seals in Transmissions and in Torque Converters {0719, 0720, 3030, 3101}
2006/03/20

Spanner Wrench is Available for Ecology Drain Valves {1302, 1353, 1372, 5076, 5613}
2006/03/20

New Planetary Bearings are Now Used for the Transmission {3160}
2008/05/05

Improved Registration Process for Retrofit Products {1000, 3000, 7000, 7570}
2011/02/17

Loctite 609 or Loctite 648 Are Now Used to Retain the Carrier Bearing on Certain OEM and Off-Highway Trucks {0649, 3159, 3160, 4084}
Loctite 609 or Loctite 648 Are Now Used to Retain the Carrier Bearing on Certain OEM and Off-Highway Trucks {0649, 3159, 3160, 4084}

Cat Reman Announces the Addition of Drivetrain Components for Large Mining Trucks {3030, 3101, 3105, 3258, 4050, 4205, 5102, 7000}
2014/10/14

Cat Reman Announces the Addition of Power Train Components for Mining Trucks {3030, 3258, 4008, 4051, 4201, 4251, 4267}
2015/07/03

Transmission Clutch 1 Housing is Improved on Certain 785 and 793 Off-Highway Trucks {3160}
Transmission Clutch 1 Housing is Improved on Certain 785 and 793 Off-Highway Trucks {3160}

Reuse And Salvage Guidelines

Individual Clutch Modulation (ICM) Control Valves{3065, 3139}
Individual Clutch Modulation (ICM) Control Valves{3065, 3139}

Specifications

Flow Control and Relief Valve (Rear Axle Oil)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Systems Operation

Flow Control and Relief Valve (Rear Axle Oil)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Disassembly and Assembly

Flow Control and Relief Valve (Rear Axle Oil) - Remove
784C and 785C Off-Highway Truck Power Train

Flow Control and Relief Valve (Rear Axle Oil) - Install
784C and 785C Off-Highway Truck Power Train

Flow Control and Relief Valve (Rear Axle Oil) - Disassemble
784C and 785C Off-Highway Truck Power Train

Flow Control and Relief Valve (Rear Axle Oil) - Assemble
784C and 785C Off-Highway Truck Power Train

Service Magazine

A New Valve Assembly Updates the Flow Control and Relief Valves {5117, 5137}
2008/12/22

Truck Engine News

Single Purpose Fluid Sampling Valves and Dual Purpose Fluid Sampling Valves Require Different Quick Connect Couplers {0645, 7542}
2004/12/01

Engine News

Contamination Control Guidelines

Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}
Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}

Service Magazine

Color Coded Dust Caps for S·O·S Ports Will Be Available {7770}
2003/12/01

243-3133 Quick Connect Coupler (Fluid Sampling) Provides A Coupler for Portable Particle Analyzers {0707, 0717, 0731, 0732, 0738}
2004/07/01

Single Purpose Fluid Sampling Valves and Dual Purpose Fluid Sampling Valves Require Different Quick Connect Couplers {0645, 7542}
2004/12/01

The Color Codes on the Springs in the Selector and Pressure Control Valves Have Changed {3073, 3074, 3083, 3124}
2009/04/20

An Improved Solenoid Valve Group Is Used In Transmissions With ICM For Increased Reliability And Longer Service Life {3124, 3167, 3174}
2009/08/24

Specifications

Lockup Clutch and Synchronizing Valve (Torque Converter)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Systems Operation

Lockup Clutch and Synchronizing Valve (Torque Converter)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Testing and Adjusting

Torque Converter Lockup Clutch Pilot Pressure - Test and Adjust
784C and 785C Off-Highway Truck/Tractors Power Train

Torque Converter Lockup Clutch Leakage - Test
784C and 785C Off-Highway Truck/Tractors Power Train

Torque Converter Lockup Clutch Maximum Pressure - Test
784C and 785C Off-Highway Truck/Tractors Power Train

Torque Converter Lockup Clutch Signal Pressure - Test
784C and 785C Off-Highway Truck/Tractors Power Train

Torque Converter Lockup Clutch Primary Pressure - Test and Adjust
784C and 785C Off-Highway Truck/Tractors Power Train

Torque Converter Lockup Clutch Supply Pressure - Test and Adjust
784C and 785C Off-Highway Truck/Tractors Power Train

Disassembly and Assembly

Lockup Clutch and Synchronizing Valve (Torque Converter) - Remove
784C and 785C Off-Highway Truck Power Train

Lockup Clutch and Synchronizing Valve (Torque Converter) - Install
784C and 785C Off-Highway Truck Power Train

Lockup Clutch and Synchronizing Valve (Torque Converter) - Disassemble
784C and 785C Off-Highway Truck Power Train

Lockup Clutch and Synchronizing Valve (Torque Converter) - Assemble
784C and 785C Off-Highway Truck Power Train

Service Magazine

The Color Codes on the Springs in the Selector and Pressure Control Valves Have Changed {3073, 3074, 3083, 3124}
2009/04/20

Specifications

Lubrication Relief Valve (Transmission)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Systems Operation

Lubrication Relief Valve (Transmission)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Testing and Adjusting

Lubrication Relief Valve (Transmission) Pressure - Test
784C and 785C Off-Highway Truck/Tractors Power Train

Systems Operation

Solenoid Valves
784C, 785C, 785D, 789C, 789D, 793C and 793D Off-Highway Trucks Power Train Electronic Control System

Reuse And Salvage Guidelines

Individual Clutch Modulation (ICM) Control Valves{3065, 3139}
Individual Clutch Modulation (ICM) Control Valves{3065, 3139}

Troubleshooting

MID 027 - CID 0709 - FMI 03
784C, 785C, 785D, 789C, 789D, 793C and 793D Off-Highway Trucks Power Train Electronic Control System

MID 027 - CID 0709 - FMI 05
784C, 785C, 785D, 789C, 789D, 793C and 793D Off-Highway Trucks Power Train Electronic Control System

MID 027 - CID 0709 - FMI 06
784C, 785C, 785D, 789C, 789D, 793C and 793D Off-Highway Trucks Power Train Electronic Control System

Specifications

Pressure Control Valve (Transmission)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Systems Operation

Pressure Control Valve (Transmission)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Selector and Pressure Control Valve (Transmission)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Testing and Adjusting

Selector and Pressure Control Valve (Transmission) - Adjust
784C and 785C Off-Highway Truck/Tractors Power Train

Service Magazine

New Parts For The ICM Controls Are Available {3083}
2000/01/10

The Color Codes on the Springs in the Selector and Pressure Control Valves Have Changed {3073, 3074, 3083, 3124}
2009/04/20

Operation and Maintenance Manual

Relay Valve - Replace
784C and 785C Off-Highway Truck/Tractors

Specifications

Relief Valve (Torque Converter Inlet)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Relief Valve (Torque Converter Outlet)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Relief Valve (Transmission Cooler Inlet)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Flow Control and Relief Valve (Rear Axle Oil)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Systems Operation

Torque Converter Inlet and Outlet Relief Valves
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Flow Control and Relief Valve (Rear Axle Oil)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Reuse And Salvage Guidelines

Transmission, Torque Converter and Relief Valve Bench Test Procedures Reference Manual Contents {3030, 3101, 3133}
Transmission, Torque Converter and Relief Valve Bench Test Procedures Reference Manual Contents {3030, 3101, 3133}

Testing and Adjusting

Relief Valve (Torque Converter Inlet) Pressure - Test and Adjust
784C and 785C Off-Highway Truck/Tractors Power Train

Relief Valve (Torque Converter Outlet) Pressure - Test and Adjust
784C and 785C Off-Highway Truck/Tractors Power Train

Main Relief Valve - Test and Adjust
785, 789, 793, 795F AC and 797F Off-Highway Truck Powered Access Stairway

Bench Test Procedures

Transmission, Torque Converter and Relief Valve Bench Test Procedures Reference Manual Contents {3030, 3101, 3133}
Transmission, Torque Converter and Relief Valve Bench Test Procedures Reference Manual Contents {3030, 3101, 3133}

Disassembly and Assembly

Relief Valve (Torque Converter Inlet) - Remove
784C and 785C Off-Highway Truck Power Train

Relief Valve (Torque Converter Outlet) - Remove
784C and 785C Off-Highway Truck Power Train

Relief Valve (Torque Converter Outlet) - Install
784C and 785C Off-Highway Truck Power Train

Relief Valve (Torque Converter Outlet) - Disassemble
784C and 785C Off-Highway Truck Power Train

Relief Valve (Torque Converter Inlet) - Install
784C and 785C Off-Highway Truck Power Train

Relief Valve (Torque Converter Inlet) - Disassemble
784C and 785C Off-Highway Truck Power Train

Relief Valve (Torque Converter Inlet) - Assemble
784C and 785C Off-Highway Truck Power Train

Relief Valve (Torque Converter Outlet) - Assemble
784C and 785C Off-Highway Truck Power Train

Transmission Hydraulic Control - Remove
784C and 785C Off-Highway Truck Power Train

Transmission Hydraulic Control - Install
784C and 785C Off-Highway Truck Power Train

Transmission Hydraulic Control - Disassemble
784C and 785C Off-Highway Truck Power Train

Transmission Hydraulic Control - Assemble
784C and 785C Off-Highway Truck Power Train

Flow Control and Relief Valve (Rear Axle Oil) - Remove
784C and 785C Off-Highway Truck Power Train

Flow Control and Relief Valve (Rear Axle Oil) - Install
784C and 785C Off-Highway Truck Power Train

Flow Control and Relief Valve (Rear Axle Oil) - Disassemble
784C and 785C Off-Highway Truck Power Train

Flow Control and Relief Valve (Rear Axle Oil) - Assemble
784C and 785C Off-Highway Truck Power Train

Service Magazine

A New Valve Assembly Updates the Flow Control and Relief Valves {5117, 5137}
2008/12/22

Specifications

Selector and Pressure Control Valve (Transmission)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Systems Operation

Selector and Pressure Control Valve (Transmission)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Testing and Adjusting

Selector and Pressure Control Valve (Transmission) - Adjust
784C and 785C Off-Highway Truck/Tractors Power Train

Service Magazine

New Parts For The ICM Controls Are Available {3083}
2000/01/10

Specifications

Selector and Pressure Control Valve (Transmission)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Reuse And Salvage Guidelines

Specifications For Hydraulic Piston Pump And Motor Components {3083, 3203, 3221, 3222, 4351, 5058, 5069, 5070, 5117}
Specifications For Hydraulic Piston Pump And Motor Components {3083, 3203, 3221, 3222, 4351, 5058, 5069, 5070, 5117}

Service Magazine

New Parts For The ICM Controls Are Available {3083}
2000/01/10

The Color Codes on the Springs in the Selector and Pressure Control Valves Have Changed {3073, 3074, 3083, 3124}
2009/04/20

Technical Information Bulletin

Replacement Solenoid Valves May Fail on Certain Transmissions {3073, 3167, 3174, 5479, 7499}
Replacement Solenoid Valves May Fail on Certain Transmissions {3073, 3167, 3174, 5479, 7499}

Specifications

Fan Clutch Solenoid Valve
VARIABLE SPEED FAN CLUTCH

Solenoid Valve (Transmission Upshift/Downshift)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Systems Operation

Solenoid Valve (Lockup Clutch)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Solenoid Valve (Upshift and Downshift)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Solenoid Valves
784C, 785C, 785D, 789C, 789D, 793C and 793D Off-Highway Trucks Power Train Electronic Control System

Solenoid Valves
69D, 769D , 773D, 773E, 776D, 777D, 784C, 785C, 785D, 789C, 789D, 793C and 793D Off-Highway Trucks and 771D, 775D and 775E Quarry Trucks Braking System

Testing and Adjusting

Solenoid Valve - Test
784C and 785C Off-Highway Truck/Tractors Power Train

Service Magazine

An Improved Solenoid Valve Group Is Used In Transmissions With ICM For Increased Reliability And Longer Service Life {3124, 3167, 3174}
2009/08/24

A New Coil Assembly is Now Used {5479}
2011/05/04

Special Instruction

Bench Test Procedure for a 784B, 784C, 785, 785B, 785C,785D, 789, and 789B Off-Highway Truck Transmission{3030, 3073}
Bench Test Procedure for a 784B, 784C, 785, 785B, 785C,785D, 789, and 789B Off-Highway Truck Transmission{3030, 3073}

Technical Information Bulletin

Replacement Solenoid Valves May Fail on Certain Transmissions {3073, 3167, 3174, 5479, 7499}
Replacement Solenoid Valves May Fail on Certain Transmissions {3073, 3167, 3174, 5479, 7499}

Reuse And Salvage Guidelines

Bench Test Procedure for a 784B, 784C, 785, 785B, 785C,785D, 789, and 789B Off-Highway Truck Transmission{3030, 3073}
Bench Test Procedure for a 784B, 784C, 785, 785B, 785C,785D, 789, and 789B Off-Highway Truck Transmission{3030, 3073}

Individual Clutch Modulation (ICM) Control Valves{3065, 3139}
Individual Clutch Modulation (ICM) Control Valves{3065, 3139}

Bench Test Procedures

Bench Test Procedure for a 784B, 784C, 785, 785B, 785C,785D, 789, and 789B Off-Highway Truck Transmission{3030, 3073}
Bench Test Procedure for a 784B, 784C, 785, 785B, 785C,785D, 789, and 789B Off-Highway Truck Transmission{3030, 3073}

Service Magazine

The Color Codes on the Springs in the Selector and Pressure Control Valves Have Changed {3073, 3074, 3083, 3124}
2009/04/20

An Improved Solenoid Valve Group Is Used In Transmissions With ICM For Increased Reliability And Longer Service Life {3124, 3167, 3174}
2009/08/24

Special Instruction

Inspection of the Duo-cone Seal Gp{4050, 4051, 7561}
Inspection of the Duo-cone Seal Gp{4050, 4051, 7561}

Tool Operating Manual

149-7173 Bearing Handling Bracket Assembly {0374, 0599, 0629, 0632, 4006, 4008, 7551}
149-7173 Bearing Handling Bracket Assembly {0374, 0599, 0629, 0632, 4006, 4008, 7551}

193-4124 Rear Wheel Bearing Preload Adjuster for 793 Off-Highway Trucks{0374, 0599, 0700, 0722, 0727, 0731}
193-4124 Rear Wheel Bearing Preload Adjuster for 793 Off-Highway Trucks{0374, 0599, 0700, 0722, 0727, 0731}

Reuse And Salvage Guidelines

Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}
Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}

Salvage of Planetary Carrier (Outer Pin Bore) Using Pressed In Sleeves for 785 and 789 Trucks{3186, 4050}
Salvage of Planetary Carrier (Outer Pin Bore) Using Pressed In Sleeves for 785 and 789 Trucks{3186, 4050}

Salvage of Brake Housings Used on Off-Highway Trucks{4001, 4251, 4267}
Salvage of Brake Housings Used on Off-Highway Trucks{4001, 4251, 4267}

Reusability of Final Drive Splines on 785 through 797 Off-Highway Trucks{4001, 4008, 4050, 4051}
Reusability of Final Drive Splines on 785 through 797 Off-Highway Trucks{4001, 4008, 4050, 4051}

Cleaning Rear Axle Housing Assemblies of 785, 789, and 793 Off-Highway Trucks{3260, 4001, 4002, 4006, 4050, 4208}
Cleaning Rear Axle Housing Assemblies of 785, 789, and 793 Off-Highway Trucks{3260, 4001, 4002, 4006, 4050, 4208}

Repair of Web Cracks In Final Drive Planetary Carriers {4092}
Repair of Web Cracks In Final Drive Planetary Carriers {4092}

Procedure for Repairing Wheel Rims for Off-Highway Trucks{4201, 4202, 4209}
Procedure for Repairing Wheel Rims for Off-Highway Trucks{4201, 4202, 4209}

Procedures to Salvage Thrust Faces on Planetary Carriers {3160, 4050, 4051, 4093}
Procedures to Salvage Thrust Faces on Planetary Carriers {3160, 4050, 4051, 4093}

Thermal Spray Procedures for OHT Final Drive Hub {0679, 4008, 4050}
Thermal Spray Procedures for OHT Final Drive Hub {0679, 4008, 4050}

Contamination Control Guidelines

Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}
Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}

Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}
Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}

Cleaning Rear Axle Housing Assemblies of 785, 789, and 793 Off-Highway Trucks{3260, 4001, 4002, 4006, 4050, 4208}
Cleaning Rear Axle Housing Assemblies of 785, 789, and 793 Off-Highway Trucks{3260, 4001, 4002, 4006, 4050, 4208}

Service Magazine

Improved Front Wheel Group Assemblies and Improved Rear Wheel Group Assemblies are Used on Off-Highway Trucks {4201}
2007/12/17

Determining the Severity of a Leak of the Duo-cone Seal Gp {4050, 4051, 7561}
2010/02/25

Reuse and Salvage Guidelines, SEBF8225 , "Reusability of Final Drive Splines on 785, 789, 793, and 797 Off-Highway Trucks" Has Been Updated {4001, 4008, 4050, 4051}
2012/05/11

Operation and Maintenance Manual

Tire Inflation - Check
784C and 785C Off-Highway Truck/Tractors

Magnetic Plug (Wheels) - Check
784C and 785C Off-Highway Truck/Tractors

Match Tire Size - Dual Tire Configuration
784C and 785C Off-Highway Truck/Tractors

Rim - Inspect
784C and 785C Off-Highway Truck/Tractors

Special Instruction

Procedure for Salvaging Off-Highway Truck Wheel Bolt Holes or Stud Holes{4201}
Procedure for Salvaging Off-Highway Truck Wheel Bolt Holes or Stud Holes{4201}

Procedure to Modify the Master Base Plates of the Wheel Bearing Preload Adjuster Assemblies for Off-Highway Trucks{4201, 4201, 7551}
Procedure to Modify the Master Base Plates of the Wheel Bearing Preload Adjuster Assemblies for Off-Highway Trucks{4201, 4201, 7551}

Inspection of the Duo-cone Seal Gp{4050, 4051, 7561}
Inspection of the Duo-cone Seal Gp{4050, 4051, 7561}

Procedure to Install the Front Wheel Site Glass Retrofit Kit on Certain Off-Highway Trucks{4006, 4205, 7479}
Procedure to Install the Front Wheel Site Glass Retrofit Kit on Certain Off-Highway Trucks{4006, 4205, 7479}

Installation Guide for the Tire Monitoring System on Cat® and Non-Cat Equipment {4203, 7490}
Installation Guide for the Tire Monitoring System on Cat^® and Non-Cat Equipment {4203, 7490}

Rim Inspection Guidelines {4202, 4209}
Rim Inspection Guidelines {4202, 4209}

Machining a Threaded Hole to Allow the Assembly of a Diffuser Valve in the Rims of Large Off-Highway Trucks {4202, 4203, 4209, 5502, 7461}
Machining a Threaded Hole to Allow the Assembly of a Diffuser Valve in the Rims of Large Off-Highway Trucks {4202, 4203, 4209, 5502, 7461}

Service Letter-NACD

PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS

PRODUCT SUPPORT PROGRAM FOR REPLACING CRACKED REAR SPINDLES AT PCR ON CERTAIN 785, 785B, AND 785C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING CRACKED REAR SPINDLES AT PCR ON CERTAIN 785, 785B, AND 785C OFF-HIGHWAY TRUCKS

Service Letter-Australia

PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS

PRODUCT SUPPORT PROGRAM FOR REPLACING CRACKED REAR SPINDLES AT PCR ON CERTAIN 785, 785B, AND 785C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING CRACKED REAR SPINDLES AT PCR ON CERTAIN 785, 785B, AND 785C OFF-HIGHWAY TRUCKS

Service Letter-CFEL

PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS

PRODUCT SUPPORT PROGRAM FOR REPLACING CRACKED REAR SPINDLES AT PCR ON CERTAIN 785, 785B, AND 785C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING CRACKED REAR SPINDLES AT PCR ON CERTAIN 785, 785B, AND 785C OFF-HIGHWAY TRUCKS

Service Letter-CSARL

PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS

PRODUCT SUPPORT PROGRAM FOR REPLACING CRACKED REAR SPINDLES AT PCR ON CERTAIN 785, 785B, AND 785C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING CRACKED REAR SPINDLES AT PCR ON CERTAIN 785, 785B, AND 785C OFF-HIGHWAY TRUCKS

Service Letter-Americas

PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS

PRODUCT SUPPORT PROGRAM FOR REPLACING CRACKED REAR SPINDLES AT PCR ON CERTAIN 785, 785B, AND 785C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING CRACKED REAR SPINDLES AT PCR ON CERTAIN 785, 785B, AND 785C OFF-HIGHWAY TRUCKS

Technical Information Bulletin

Certain 145-6035 Duo-Cone Seal Groups Need To Be Inspected And Removed From Dealer Inventory
Certain 145-6035 Duo-Cone Seal Groups Need To Be Inspected And Removed From Dealer Inventory

Problems with Bias Ply Tires on Specific Off-Highway Trucks{4203}
Problems with Bias Ply Tires on Specific Off-Highway Trucks{4203}

Front Wheel Group Bearings May Fail on Certain Off-Highway Trucks{4006, 4201, 4205, 7551}
Front Wheel Group Bearings May Fail on Certain Off-Highway Trucks{4006, 4201, 4205, 7551}

Front Wheel Group Bearings May Fail on Certain Off-Highway Trucks{3259, 4006, 4201, 4205, 4208, 7551}
Front Wheel Group Bearings May Fail on Certain Off-Highway Trucks{3259, 4006, 4201, 4205, 4208, 7551}

Specifications

Speed Sensor (Rear Wheel)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Rear Wheel
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Tool Operating Manual

193-4122 Rear Wheel Bearing Preload Adjuster for 785 Off-Highway Trucks{4201, 4201, 7551}
193-4122 Rear Wheel Bearing Preload Adjuster for 785 Off-Highway Trucks{4201, 4201, 7551}

149-7173 Bearing Handling Bracket Assembly {0374, 0599, 0629, 0632, 4006, 4008, 7551}
149-7173 Bearing Handling Bracket Assembly {0374, 0599, 0629, 0632, 4006, 4008, 7551}

226-2380 Adjustable C-Hook Extension{0374, 0599, 0632, 0727, 1122, 3258, 4050, 4084, 4208, 7561}
226-2380 Adjustable C-Hook Extension{0374, 0599, 0632, 0727, 1122, 3258, 4050, 4084, 4208, 7561}

193-4124 Rear Wheel Bearing Preload Adjuster for 793 Off-Highway Trucks{0374, 0599, 0700, 0722, 0727, 0731}
193-4124 Rear Wheel Bearing Preload Adjuster for 793 Off-Highway Trucks{0374, 0599, 0700, 0722, 0727, 0731}

Rear Final Drive Brake and Wheel Group Assembly and Disassembly System{0374, 0599, 0700, 0727, 0730, 0731}
Rear Final Drive Brake and Wheel Group Assembly and Disassembly System{0374, 0599, 0700, 0727, 0730, 0731}

Service Letter-China

PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS

PRODUCT SUPPORT PROGRAM FOR REPLACING CRACKED REAR SPINDLES AT PCR ON CERTAIN 785, 785B, AND 785C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING CRACKED REAR SPINDLES AT PCR ON CERTAIN 785, 785B, AND 785C OFF-HIGHWAY TRUCKS

Service Letter-Asia

PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS

PRODUCT SUPPORT PROGRAM FOR REPLACING CRACKED REAR SPINDLES AT PCR ON CERTAIN 785, 785B, AND 785C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING CRACKED REAR SPINDLES AT PCR ON CERTAIN 785, 785B, AND 785C OFF-HIGHWAY TRUCKS

Reuse And Salvage Guidelines

Inspection and Repair Procedures for Wheels that are Used on Off-Highway Trucks {4201, 4201, 4201}
Inspection and Repair Procedures for Wheels that are Used on Off-Highway Trucks {4201, 4201, 4201}

Procedure to Remove Large Wheel Bearing Cups {4001, 4008, 4051, 4215}
Procedure to Remove Large Wheel Bearing Cups {4001, 4008, 4051, 4215}

Inspection and Salvage of Rear Wheel Spindles for All Off-Highway Trucks {4201, 4205}
Inspection and Salvage of Rear Wheel Spindles for All Off-Highway Trucks {4201, 4205}

Inspection of Rim Assemblies of Off-Highway Trucks{4201, 4209}
Inspection of Rim Assemblies of Off-Highway Trucks{4201, 4209}

Salvage of Final Drive and Differential Thrust Washer Used in Off-Highway Trucks, Tractors, and Wheel Loaders {0677, 0760, 3258, 3284, 4050, 4055, 4201}
Salvage of Final Drive and Differential Thrust Washer Used in Off-Highway Trucks, Tractors, and Wheel Loaders {0677, 0760, 3258, 3284, 4050, 4055, 4201}

Procedure to Salvage Reaction Hubs, Retainers, and Seal Retainers Used in Wheel Groups of Off-Highway Trucks{4001, 4008, 4050, 4051}
Procedure to Salvage Reaction Hubs, Retainers, and Seal Retainers Used in Wheel Groups of Off-Highway Trucks{4001, 4008, 4050, 4051}

Reusability of Final Drive Splines on 785 through 797 Off-Highway Trucks{4001, 4008, 4050, 4051}
Reusability of Final Drive Splines on 785 through 797 Off-Highway Trucks{4001, 4008, 4050, 4051}

Cleaning Rear Axle Housing Assemblies of 785, 789, and 793 Off-Highway Trucks{3260, 4001, 4002, 4006, 4050, 4208}
Cleaning Rear Axle Housing Assemblies of 785, 789, and 793 Off-Highway Trucks{3260, 4001, 4002, 4006, 4050, 4208}

Procedure for Repairing Wheel Rims for Off-Highway Trucks{4201, 4202, 4209}
Procedure for Repairing Wheel Rims for Off-Highway Trucks{4201, 4202, 4209}

Procedures to Salvage Thrust Faces on Planetary Carriers {3160, 4050, 4051, 4093}
Procedures to Salvage Thrust Faces on Planetary Carriers {3160, 4050, 4051, 4093}

Thermal Spray Procedures for OHT Rear Spindles {0599, 0679, 4006, 4205}
Thermal Spray Procedures for OHT Rear Spindles {0599, 0679, 4006, 4205}

Thermal Spray Procedures for OHT and WTS Rear Wheel - Bearing Bores {0679, 4201}
Thermal Spray Procedures for OHT and WTS Rear Wheel - Bearing Bores {0679, 4201}

Thermal Spray Procedures for OHT Front Spindles {0679, 4006, 4205}
Thermal Spray Procedures for OHT Front Spindles {0679, 4006, 4205}

Thermal Spray Procedures for OHT and WTS Front Wheel - Bearing Bores {0679, 4006, 4201}
Thermal Spray Procedures for OHT and WTS Front Wheel - Bearing Bores {0679, 4006, 4201}

Thermal Spray Procedures for OHT Rear Duo-Cone Seal Retainer and Spacer {0679, 4051, 4201, 4251, 4267}
Thermal Spray Procedures for OHT Rear Duo-Cone Seal Retainer and Spacer {0679, 4051, 4201, 4251, 4267}

Thermal Spray Procedures for OHT Final Drive Hub {0679, 4008, 4050}
Thermal Spray Procedures for OHT Final Drive Hub {0679, 4008, 4050}

Thermal Spray Procedures for OHT Front Duo-Cone Seal Retainer {0679, 3259, 4201, 4205}
Thermal Spray Procedures for OHT Front Duo-Cone Seal Retainer {0679, 3259, 4201, 4205}

Inspection and Salvage of Front Wheel Spindles for Off-Highway Trucks {4201, 4205}
Inspection and Salvage of Front Wheel Spindles for Off-Highway Trucks {4201, 4205}

Procedure to Inspect and Repair the Front Wheels on 785 - 797 Off-Highway Truck {0599, 0700, 0730, 0731, 4006, 4200, 4209, 4251}
Procedure to Inspect and Repair the Front Wheels on 785 - 797 Off-Highway Truck {0599, 0700, 0730, 0731, 4006, 4200, 4209, 4251}

Contamination Control Guidelines

Cleaning Rear Axle Housing Assemblies of 785, 789, and 793 Off-Highway Trucks{3260, 4001, 4002, 4006, 4050, 4208}
Cleaning Rear Axle Housing Assemblies of 785, 789, and 793 Off-Highway Trucks{3260, 4001, 4002, 4006, 4050, 4208}

Cleaning Rear Axle Housings of 785, 789 and 793 Off-Highway Trucks{3260, 4050, 4208}
Cleaning Rear Axle Housings of 785, 789 and 793 Off-Highway Trucks{3260, 4050, 4208}

Information Release Memo

CAT REMAN ANNOUNCES REMAN DUO-CONE SEAL GROUPS
CAT REMAN ANNOUNCES REMAN DUO-CONE SEAL GROUPS

CAT REMAN ANNOUNCES UPGRADE-TO-NEW SPINDLE AND WHEEL GROUP OPTIONS
CAT REMAN ANNOUNCES UPGRADE-TO-NEW SPINDLE AND WHEEL GROUP OPTIONS

CAT REMAN ANNOUNCES THE ADDITION OF DRIVETRAIN COMPONENTS FOR LARGE MINING TRUCKS
CAT REMAN ANNOUNCES THE ADDITION OF DRIVETRAIN COMPONENTS FOR LARGE MINING TRUCKS

Service Letter-APD

PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS

PRODUCT SUPPORT PROGRAM FOR REPLACING CRACKED REAR SPINDLES AT PCR ON CERTAIN 785, 785B, AND 785C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING CRACKED REAR SPINDLES AT PCR ON CERTAIN 785, 785B, AND 785C OFF-HIGHWAY TRUCKS

Testing and Adjusting

Rear Wheel Bearing - Adjust
784C and 785C Off-Highway Truck/Tractors Power Train

Visual Inspection (Rear Axle and Final Drive)
784C and 785C Off-Highway Truck/Tractors Power Train

Rear Axle and Final Drive System
784C and 785C Off-Highway Truck/Tractors Power Train

Disassembly and Assembly

Tire and Rim (Front) - Remove and Install
784C and 785C Off-Highway Trucks Machine Systems

Lateral Control Rod (Rear Axle Housing) - Remove and Install
784C and 785C Off-Highway Truck Power Train

Tire and Rim (Rear) - Remove
784C and 785C Off-Highway Truck Power Train

Tire and Rim (Rear) - Install
784C and 785C Off-Highway Truck Power Train

Final Drive - Remove
784C and 785C Off-Highway Truck Power Train

Final Drive - Install
784C and 785C Off-Highway Truck Power Train

Rear Wheel, Bearing, and Duo-Cone Seal - Remove
784C and 785C Off-Highway Truck Power Train

Rear Wheel, Bearing, and Duo-Cone Seal - Install
784C and 785C Off-Highway Truck Power Train

Final Drive - Disassemble
784C and 785C Off-Highway Truck Power Train

Final Drive - Assemble
784C and 785C Off-Highway Truck Power Train

Spindle - Remove
784C and 785C Off-Highway Truck Power Train

Spindle - Install
784C and 785C Off-Highway Truck Power Train

Duo-Cone Seals - Install
784C and 785C Off-Highway Truck Power Train

Final Drive, Brake and Wheel (Rear) - Disassemble
784C and 785C Off-Highway Truck Power Train

Final Drive, Brake and Wheel (Rear) - Assemble
784C and 785C Off-Highway Truck Power Train

Final Drive, Brake and Wheel (Rear) - Remove
784C and 785C Off-Highway Truck Power Train

Final Drive, Brake and Wheel (Rear) - Install
784C and 785C Off-Highway Truck Power Train

Service Magazine

Production Process Change Eliminates Anti-Rotation Retaining Pin In Rear Wheel Station For Certain Off-Highway Trucks {4208,4234}
1999/02/22

New 157-6186 Duo-Cone Seal Available For Certain Off-Highway Trucks {7561}
1999/03/29

Check Distance Between Sun Gear And Planetary Carrier When Final Drive Cover Is Removed {4050}
1999/03/29

New Bearing Assembly For The Final Drive Reduction Planetary Is Now Available {4050}
1999/10/04

Inspection of Magnetic Plugs Recommended To Help Detect Early Bearing Failure {4201, 4201}
2000/01/17

Serial Numbers and Sequence Numbers Improve Component Life Tracking on Major Power Train Components {1000, 3030, 3101, 3258, 3284, 4050, 4208, 4234}
2000/04/17

Duo-Cone Seal Kits Have Changed for Off-Highway Trucks {4208, 4251, 7561}
2000/03/06

Vertical Wheel Bearing Adjustment Procedures For 785, 789, 793 Cast Wheels And Fabricated Wheels {4051, 4201, 4208}
2000/01/24

Vertical Wheel Bearing Adjustment Procedures For Cast Wheels And Fabricated Wheels {4001, 4201}
2000/04/17

New Optional Service Replacement Wheel Studs are Now Available {4201}
2000/04/24

New Special Instruction Manuals and New Mechanic's Checklist Pads are Available {0374}
2001/02/05

Protection Against Wheel Stud Corrosion On Off-Highway Trucks For Storage During Shipment {4210}
2000/08/07

Change in Oil Change Interval for the Final Drive and the Rear Axle in Off-Highway Trucks {4000, 4050, 7000, 7560, 7581}
2002/07/08

Match Tire Size in Dual Tire Configurations for Increased Service Life {4203}
2005/01/10

Improved Front Wheel Group Assemblies and Improved Rear Wheel Group Assemblies are Used on Off-Highway Trucks {4201}
2007/12/17

New Bearings Provide Improved Service Life {4201}
2000/12/11

Guideline for Reusable Parts and Salvage Operations is Available for Spindles of Off-Highway Trucks {4002, 4205}
2000/11/13

New Final Drive Groups Are Used to Improve Service Life {4008, 4050, 4208, 4251}
2001/04/23

New Cast Wheels Are Used for Improved Service Life {4201, 4209}
2005/04/04

Use New Rock Ejectors with the New Cast Wheels {4201, 7258}
2004/07/19

A New Guard for the Air Lines Has Improved Fitup {4201, 4209}
2005/04/04

New Toric Rings Update the Duo-Cone Seal Groups {4001, 4051, 4201}
2008/05/19

Determining the Severity of a Leak of the Duo-cone Seal Gp {4050, 4051, 7561}
2010/02/25

Reuse and Salvage Guidelines, SEBF8225 , "Reusability of Final Drive Splines on 785, 789, 793, and 797 Off-Highway Trucks" Has Been Updated {4001, 4008, 4050, 4051}
2012/05/11

A New Special Instruction to Install the Front Wheel Site Glass Retrofit Kit on Certain Off-Highway Trucks is Now Available {4006, 4205, 7479}
2012/09/28

Cat Reman Announces the Addition of Drivetrain Components for Large Mining Trucks {3030, 3101, 3105, 3258, 4050, 4205, 5102, 7000}
2014/10/14

Cat Reman Announces the Addition of Power Train Components for Mining Trucks {3030, 3258, 4008, 4051, 4201, 4251, 4267}
2015/07/03

Cat Reman Announces Availability of New Wheels With Installed Studs for Certain Machines {4201}
2015/06/18

Cat Reman Announces New Cast Wheel Groups for Certain 785, 789, and 793 Off-Highway Trucks {4008, 4201}
2015/06/18

The Fluid Recommendation and Front Wheel Bearing Cover Has Been Updated on the Wheel and Brake Group of Certain Off-Highway Trucks {4006, 4201, 4205}
The Fluid Recommendation and Front Wheel Bearing Cover Has Been Updated on the Wheel and Brake Group of Certain Off-Highway Trucks {4006, 4201, 4205}

A New Rear Wheel Speed Sensor is Now Used for Certain Large Off-Highway Trucks {1439, 4008, 4803}
A New Rear Wheel Speed Sensor is Now Used for Certain Large Off-Highway Trucks {1439, 4008, 4803}

Improved Front Wheel Group Bearings are Now Used on Certain 785 and 789 Off-Highway Trucks {4006, 4201, 4205, 7551}
Improved Front Wheel Group Bearings are Now Used on Certain 785 and 789 Off-Highway Trucks {4006, 4201, 4205, 7551}

Reuse And Salvage Guidelines

Procedure to Machine Damaged Transmission and Differential Yokes {3030, 3253, 3258}
Procedure to Machine Damaged Transmission and Differential Yokes {3030, 3253, 3258}

Thermal Spray Procedures for Transmission and Torque Converter Yokes {0599, 0679, 3001, 3030, 3101, 3160}
Thermal Spray Procedures for Transmission and Torque Converter Yokes {0599, 0679, 3001, 3030, 3101, 3160}

Disassembly and Assembly

Transmission Oil Cooler - Remove and Install
3500 and 3500B High Displacement Engines for Caterpillar Built Machines

Contamination Control Guidelines

Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}
Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}

Reuse And Salvage Guidelines

Universal Joints and Drive Shafts {3108, 3251, 3253}
Universal Joints and Drive Shafts {3108, 3251, 3253}

Torque Converter, Divider, Drive Line, and Drive Axle Reuse and Salvage Manual Contents {0374, 3000, 3050, 3100, 3250, 3251, 3253, 3258}
Torque Converter, Divider, Drive Line, and Drive Axle Reuse and Salvage Manual Contents {0374, 3000, 3050, 3100, 3250, 3251, 3253, 3258}

Contamination Control Guidelines

Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}
Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}

Operation and Maintenance Manual

Differential and Final Drive Oil - Inspect
784C and 785C Off-Highway Truck/Tractors

Differential and Final Drive Oil Sample - Obtain
784C and 785C Off-Highway Truck/Tractors

Differential and Final Drive Oil - Change
784C and 785C Off-Highway Truck/Tractors

Differential and Final Drive Oil Level - Check
784C and 785C Off-Highway Truck/Tractors

Special Instruction

Assembly and Installation of Conventional Duo-Cone Seals{7561, 7561}
Assembly and Installation of Conventional Duo-Cone Seals{7561, 7561}

Installation of Conventional Duo-Cone Seals{7561}
Installation of Conventional Duo-Cone Seals{7561}

Installation of Inverted Duo-Cone Seals{7561}
Installation of Inverted Duo-Cone Seals{7561}

Service Letter-NACD

PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 785C HA, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 785C HA, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS

PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS

PRODUCT SUPPORT PROGRAM FOR INSPECTING OR REPLACING 197-2730 RING GEARS WITH DIE MARKS IN THE FINAL DRIVE OF CERTAIN 785C AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR INSPECTING OR REPLACING 197-2730 RING GEARS WITH DIE MARKS IN THE FINAL DRIVE OF CERTAIN 785C AND 789C OFF-HIGHWAY TRUCKS

Service Letter-Australia

PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 785C HA, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 785C HA, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS

PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS

PRODUCT SUPPORT PROGRAM FOR INSPECTING OR REPLACING 197-2730 RING GEARS WITH DIE MARKS IN THE FINAL DRIVE OF CERTAIN 785C AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR INSPECTING OR REPLACING 197-2730 RING GEARS WITH DIE MARKS IN THE FINAL DRIVE OF CERTAIN 785C AND 789C OFF-HIGHWAY TRUCKS

Service Letter-CFEL

PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 785C HA, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 785C HA, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS

PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS

PRODUCT SUPPORT PROGRAM FOR INSPECTING OR REPLACING 197-2730 RING GEARS WITH DIE MARKS IN THE FINAL DRIVE OF CERTAIN 785C AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR INSPECTING OR REPLACING 197-2730 RING GEARS WITH DIE MARKS IN THE FINAL DRIVE OF CERTAIN 785C AND 789C OFF-HIGHWAY TRUCKS

Service Letter-CSARL

PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 785C HA, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 785C HA, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS

PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS

PRODUCT SUPPORT PROGRAM FOR INSPECTING OR REPLACING 197-2730 RING GEARS WITH DIE MARKS IN THE FINAL DRIVE OF CERTAIN 785C AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR INSPECTING OR REPLACING 197-2730 RING GEARS WITH DIE MARKS IN THE FINAL DRIVE OF CERTAIN 785C AND 789C OFF-HIGHWAY TRUCKS

Service Letter-Americas

PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 785C HA, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 785C HA, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS

PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS

PRODUCT SUPPORT PROGRAM FOR INSPECTING OR REPLACING 197-2730 RING GEARS WITH DIE MARKS IN THE FINAL DRIVE OF CERTAIN 785C AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR INSPECTING OR REPLACING 197-2730 RING GEARS WITH DIE MARKS IN THE FINAL DRIVE OF CERTAIN 785C AND 789C OFF-HIGHWAY TRUCKS

Technical Information Bulletin

Failures of the Final Drive Bearings In Off-Highway Trucks and Off-Highway Tractors{4050}
Failures of the Final Drive Bearings In Off-Highway Trucks and Off-Highway Tractors{4050}

Specifications

Final Drive
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Service Letter-China

PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 785C HA, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 785C HA, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS

PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS

PRODUCT SUPPORT PROGRAM FOR INSPECTING OR REPLACING 197-2730 RING GEARS WITH DIE MARKS IN THE FINAL DRIVE OF CERTAIN 785C AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR INSPECTING OR REPLACING 197-2730 RING GEARS WITH DIE MARKS IN THE FINAL DRIVE OF CERTAIN 785C AND 789C OFF-HIGHWAY TRUCKS

Service Letter-Asia

PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 785C HA, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 785C HA, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS

PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS

PRODUCT SUPPORT PROGRAM FOR INSPECTING OR REPLACING 197-2730 RING GEARS WITH DIE MARKS IN THE FINAL DRIVE OF CERTAIN 785C AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR INSPECTING OR REPLACING 197-2730 RING GEARS WITH DIE MARKS IN THE FINAL DRIVE OF CERTAIN 785C AND 789C OFF-HIGHWAY TRUCKS

Systems Operation

Final Drive
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Rear Axle and Final Drive System
784C, 785C and 785C HAA Off-Highway Truck/Tractors Power Train

Contamination Control Guidelines

Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}
Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}

Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}
Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}

Information Release Memo

CAT REMAN ANNOUNCES UPGRADE-TO-NEW SPINDLE AND WHEEL GROUP OPTIONS
CAT REMAN ANNOUNCES UPGRADE-TO-NEW SPINDLE AND WHEEL GROUP OPTIONS

CAT REMAN ANNOUNCES THE ADDITION OF PLANETARY CARRIERS FOR MINING AND CONSTRUCTION MACHINES
CAT REMAN ANNOUNCES THE ADDITION OF PLANETARY CARRIERS FOR MINING AND CONSTRUCTION MACHINES

CAT REMAN ANNOUNCES THE ADDITION OF DRIVETRAIN COMPONENTS FOR LARGE MINING TRUCKS
CAT REMAN ANNOUNCES THE ADDITION OF DRIVETRAIN COMPONENTS FOR LARGE MINING TRUCKS

Service Letter-APD

PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 785C HA, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 785C HA, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS

PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SECOND REDUCTION FINAL DRIVE BEARINGS ON CERTAIN 784B, 784C, 785, 785B, 785C, 789, 789B, AND 789C OFF-HIGHWAY TRUCKS

PRODUCT SUPPORT PROGRAM FOR INSPECTING OR REPLACING 197-2730 RING GEARS WITH DIE MARKS IN THE FINAL DRIVE OF CERTAIN 785C AND 789C OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR INSPECTING OR REPLACING 197-2730 RING GEARS WITH DIE MARKS IN THE FINAL DRIVE OF CERTAIN 785C AND 789C OFF-HIGHWAY TRUCKS

Testing and Adjusting

Visual Inspection (Rear Axle and Final Drive)
784C and 785C Off-Highway Truck/Tractors Power Train

Rear Axle and Final Drive System
784C and 785C Off-Highway Truck/Tractors Power Train

Disassembly and Assembly

Lateral Control Rod (Rear Axle Housing) - Remove and Install
784C and 785C Off-Highway Truck Power Train

Axle Shaft - Remove
784C and 785C Off-Highway Truck Power Train

Axle Shaft - Install
784C and 785C Off-Highway Truck Power Train

Final Drive - Remove
784C and 785C Off-Highway Truck Power Train

Final Drive - Install
784C and 785C Off-Highway Truck Power Train

Final Drive - Disassemble
784C and 785C Off-Highway Truck Power Train

Final Drive - Assemble
784C and 785C Off-Highway Truck Power Train

Service Magazine

Check Distance Between Sun Gear And Planetary Carrier When Final Drive Cover Is Removed {4050}
1999/03/29

New Bearing Assembly For The Final Drive Reduction Planetary Is Now Available {4050}
1999/10/04

Improved Air Breather Available For Certain Off-Highway Trucks {3260,4257}
1999/11/15

Corrections to Oil Level Maintenance in the Operation and Maintenance Manuals {3258, 3260, 4050}
2000/02/07

Serial Numbers and Sequence Numbers Improve Component Life Tracking on Major Power Train Components {1000, 3030, 3101, 3258, 3284, 4050, 4208, 4234}
2000/04/17

The Oil Levels for the Differential and Final Drive Need to be Properly Maintained {3258, 3260, 4050}
2000/02/07

Vertical Wheel Bearing Adjustment Procedures For Cast Wheels And Fabricated Wheels {4001, 4201}
2002/10/14

New Special Instruction Manuals and New Mechanic's Checklist Pads are Available {0374}
2001/02/05

Change in Oil Change Interval for the Final Drive and the Rear Axle in Off-Highway Trucks {4000, 4050, 7000, 7560, 7581}
2002/07/08

New Final Drive Groups Are Used to Improve Service Life {4008, 4050, 4208, 4251}
2001/04/23

A New Thrust Plate Is Available for Severe Applications {4050}
2004/02/23

New Bearings Improve the Reliability of the Final Drive {4050}
2004/04/12

New Bearings Are Used in the Second Reduction of the Final Drive {4050}
2004/05/31

Product Information Guide, SEBF1015, "Improving Component Durability" , "Final Drives and Differentials" is now available {3258, 3282, 4050}
2008/12/29

Tools Allow Calibration of Preload Adjusters for Wheel Bearings {0766, 0783}
2004/12/27

Improved 8T-0531 Duo-Cone Seal Installer As Is Now Available {0700, 0722, 0727}
2006/01/02

785C Off-HighwayTruck 1HW00001-UP (MACHINE) POWERED BY 3512B Engine POWER TRAIN Caterpillar SIS

Parts group 785C:

Information:

Truck sale: