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4J7377 LIFT CYLINDER GROUP--8.25" BORE X 39.50" STROKE--2 GROUPS REQUIRED ALSO PART OF 5K3130 LOGGING ARRANGEMENT AND 3S399 LIFT CYLINDER AND PUMP ARRANGEMENT LISTED ON PAGE 220A AND 232A NOTE: 4K8418 LIFT CYLINDER ARRANGEMENT CONSISTING OF 2-4J7377 CYLINDER GROUP IS AVAILABLE 988


HYDRAULIC SYSTEM
CYLINDER GP
POWER TRAIN
DIFFERENTIAL & BEVEL GEAR GP
BRAKING SYSTEM
BRAKE GP
POWER TRAIN
WHEEL GP
BRAKING SYSTEM
BRAKE GP
FRAME AND BODY
FENDER GP

WHEEL LOADER 988 WHEEL LOADER 87A
 988 TRAXCAVATOR 87A00001-00530 (MACHINE) UE035422 988 87A   (1965)

HYDRAULIC SYSTEM

CYLINDER GP
CYLINDER GP
4J-7845 CYLINDER GP
3S-0399 LIFT CYLINDER AND PUMP ARRANGEMENT
LIFT CYLINDER GROUP
4J-7377 LIFT CYLINDER GROUP
CYLINDER GROUP
5J-0156 CYLINDER GROUP
CYLINDER GROUP
5J-0156 CYLINDER GROUP
CYLINDER GROUP
5J-0156 CYLINDER GROUP
 

#UE0354220490
 

4J-7377: LIFT CYLINDER GROUP

4J7377 LIFT CYLINDER GROUP--8.25" BORE X 39.50" STROKE--2 GROUPS REQUIRED
ALSO PART OF 5K3130 LOGGING ARRANGEMENT AND 3S399 LIFT CYLINDER AND PUMP ARRANGEMENT
LISTED ON PAGE 220A AND 232A
NOTE: 4K8418 LIFT CYLINDER ARRANGEMENT CONSISTING OF 2-4J7377 CYLINDER GROUP IS AVAILABLE
c120218 UE035422
4J7377 LIFT CYLINDER GROUP Parts scheme
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  4J-6888 [1] NUT  
  4J-7376 [1] RING  
  4J-6898 [1] WASHER  
  4J-6900 [2] BEARING  
    (PART OF CYLINDER ASSEM. 4J7039)
  4J-7306 [1] PISTON  
  5J-5559 [2] SEAL ASSEM.  
  4J-7039 [1] CYLINDER ASSEM.  
  1J-2175 [4] BOLT  
  3B-4518 [4] LOCKWASHER  
  4J-6894 [6] SHIM  
  1A-1460 [4] BOLT  
  3B-4508 [4] LOCKWASHER  
  4J-6886 [1] ROD  
  4J-6899 [1] BEARING  
  4J-6896 [1] SEAL  
  4J-6895 [1] RETAINER  
  4J-6897 [1] PACKING  
  4J-7305 [1] HEAD  
  1J-2176 [1] SEAL  
  2J-0744 [1] RING  
 

#UE0354220491
 

1S-7629: DIFFERENTIAL AND GEAR GROUP

1S7629 DIFFERENTIAL AND GEAR GROUP--No-Spin
Only separate parts serviced. When complete Group is required order 2S294
c73389 UE035422
1S7629 DIFFERENTIAL AND GEAR GROUP Parts scheme
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  4D-6632 H [1] CASE ASSEM.  
  4D-6598 H [2] WASHER  
  3D-6509 [2] DOWEL  
    (PART OF CASE ASSEM 4D6632)
  4D-8678 [2] RETAINER  
  4D-8676 [1] RING  
  4D-8673 [1] SPIDER  
    (PARTS OF DIFFERENTIAL ASSEM. 1S6423)
  3K-9325 H [12] BOLT  
  2D-9132 H [12] NUT  
  8M-4867 H [6 FEET] LOCKWIRE  
  2D-0605 [21] BOLT  
  4D-3704 [21] WASHER  
  8M-4867 [6 FEET] LOCKWIRE  
  3D-6509 [2] DOWEL  
    (PART OF CASE ASSEM. 1S6874)
  1S-6874 H [1] CASE ASSEM.  
  1S-7611 [1] DIFFERENTIAL GROUP  
    (CONSISTS OF ALL PARTS MARKED H)
  1S-6423 H [1] DIFFERENTIAL ASSEM.  
  4D-6879 [2] CAM AND CLUTCH ASSEM.  
  [2] SPRING  
  1S-7632 [2] RING  
  1S-7633 [1] CAM  
  4D-8675 [2] GEAR (24 TEETH)  
    (PARTS OF DIFFERENTIAL ASSEM. 1S6423)
  1S-1873 [1] SHAFT  
    (14 TEETH)
  4D-4004 [1] GEAR  
    (39 TEETH)
  4D-4009 [3] DOWEL  
    (.8670"DIAMETER)
  4D-4011 H [3] DOWEL  
    (.9100" DIAMETER)
 

#UE0354220492
 

2S-0294: DIFFERENTIAL AND GEAR GROUP

2S294 DIFFERENTIAL AND GEAR GROUP--No-Spin
c120912 UE035422
2S0294 DIFFERENTIAL AND GEAR GROUP Parts scheme
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  4D-6632 H [1] CASE ASSEM.  
  4D-6598 H [2] WASHER  
  3D-6509 [2] DOWEL  
    (PART OF CASE ASSEM. 4D6632)
  4D-8678 [2] RETAINER  
  4D-8676 [1] RING  
  5D-2483 [1] SPIDER  
    (PARTS OF DIFFERENTIAL ASSEM. 2S785)
  3K-9325 H [12] BOLT  
  2D-9132 H [12] NUT  
  8M-4867 H [6 FEET] LOCKWIRE  
  2D-0605 [21] BOLT  
  4D-3704 [21] WASHER  
  8M-4867 [6 FEET] LOCKWIRE  
  3D-6509 [2] DOWEL  
    (PART OF CASE ASSEM 1S6874)
  1S-6874 H [1] CASE ASSEM  
  7S-9087 [1] DIFFERENTIAL GROUP  
    (CONSISTS OF ALL PARTS MARKED H)
  2S-0785 H [1] DIFFERENTIAL ASSEM.  
  5D-2487 [2] CAM AND CLUTCH ASSEM.  
  4D-8674 [2] SPRING  
  2S-0787 [2] RING  
  2S-0786 [1] CAM  
  5D-2488 [2] GEAR  
    (PARTS OF DIFFERENTIAL ASSEM. 2S785)
  2S-2124 [1] SHAFT (14 TEETH)  
  2S-2125 [1] GEAR (39 TEETH)  
  4D-4009 H [3] DOWEL (.8670" DIAMETER)  
  4D-4011 H [3] DOWEL (.9100" DIAMETER)  
 

#UE0354220493
 

1S-2271: TIRE, WHEEL AND FENDER ARRANGEMENT

1S2271 TIRE, WHEEL AND FENDER ARRANGEMENT--29.50 x 29 Tubeless Tires
UE0354220493 UE035422
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1S-2270 Y [1] FENDER GROUP  
  1S-4039 Y [2] FRONT FINAL DRIVE, WHEEL AND BRAKE GROUP  
  1S-4040 Y [2] REAR FINAL DRIVE, WHEEL AND BRAKE GROUP  
  Y   SEPARATE ILLUSTRATION
 

#UE0354220494
 

TIRE AND MOUNTING

TIRE AND MOUNTING--29.50 x 29 Tubeless Tires
Part of 1S2271 Tire. Wheel and Fender Arrangement
c73016 UE035422
None TIRE AND MOUNTING Parts scheme
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
    (NOT SHOWN)
  3F-9194 [8] FLANGE  
 

#UE0354220495
 

5S-0690: TIRE CHAIN ARMOR ARRANGEMENT

5S690 TIRE CHAIN ARMOR ARRANGEMENT
FOR USE WITH 29.50 X 29 TIRES
UE0354220495 UE035422
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5S-0692 Y [2] TIRE CHAIN ARMOR GROUP  
  Y   SEPARATE ILLUSTRATION
 

#UE0354220496
 

5S-0691: TIRE CHAIN ARMOR ARRANGEMENT

5S691 TIRE CHAIN ARMOR ARRANGEMENT
FOR USE WITH 29.50 X 29 TIRES
UE0354220496 UE035422
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5S-0692 Y [4] TIRE CHAIN ARMOR GROUP  
  Y   SEPARATE ILLUSTRATION
 

#UE0354220497
 

REPLACEMENT PARTS FOR CHAIN ARMOR

REPLACEMENT PARTS FOR CHAIN ARMOR
c79734 UE035422
None REPLACEMENT PARTS FOR CHAIN ARMOR Parts scheme
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5S-0702 SHACKLE  
  5S-0696 RING  
  5S-0701 HOOK  
  5S-0697 RING  
  5S-0700 LEVER  
  1B-9575 [1] BOLT  
  5S-0003 [1] NUT  
    (Parts of Coupling 5S699)
  5S-0699 COUPLING  
  5S-0698 LINK  
 

#UE0354220498
 

3S-9153: TIRE, WHEEL AND FENDER ARRANGEMENT

3S9153 TIRE, WHEEL AND FENDER ARRANGEMENT
FACTORY INSTALLATION ONLY
FOR INSTALLATION OF 29.50 X 29 DEEP TREAD TIRES
UE0354220498 UE035422
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1S-2270 Y [1] FENDER GROUP  
  1S-4039 Y [2] FRONT FINAL DRIVE, WHEEL AND BRAKE GROUP  
  1S-4040 Y [2] REAR FINAL DRIVE, WHEEL AND BRAKE GROUP  
  4S-9110 [1] WEAR PLATE GROUP  
  4S-9111 [2] PLATE  
  Y   SEPARATE ILLUSTRATION
 

#UE0354220499
 

1S-2270: FENDER GROUP

1S2270 FENDER GROUP--R.H. SIDE VIEW
PART OF TIRE, WHEEL, AND FENDER ARRANGEMENT AND 1S2271 AND 3S9153 TIRE, WHEEL AND FENDER ARRANGEMENTS
LISTED ON PAGE 220A AND ON PAGE 236B
c79720 UE035422
1S2270 FENDER GROUP Parts scheme
  For full view, you need register

Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  9M-9479 [2] PLATE ASSEM.  
  0S-1585 [12] BOLT  
  3B-4508 [12] LOCKWASHER  
  1K-0505 [12] WASHER  
  9M-9492 [2] FENDER ASSEM.  
  3B-6175 [8] BUMPER  
  6H-1717 [6] BOLT  
  3B-4508 [6] LOCKWASHER  
  4B-4280 [6] WASHER  
  0S-1621 [6] BOLT  
  3B-4508 [6] LOCKWASHER  
  1S-4869 [1] SUPPORT ASSEM.  
    (RIGHT HAND)
  1S-4870 [1] SUPPORT ASSEM.  
    (LEFT HAND)
  9M-9453 [2] PLATE (.625" THICK)  
  9M-9452 [2] WASHER  
  9M-9419 [4] BEARING  
  0S-1591 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  1S-2303 [8] SPACER  
  2J-6643 [2] PLATE  
  9M-9486 [2] BRACKET ASSEM.  
  0L-1351 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  0S-1595 [8] BOLT  
  3B-4508 [8] LOCKWASHER  
  1F-0748 [8] NUT (WELD)  
    (4 IN EACH FENDER ASSEM. 1S4651 AND 1S4652)
  0S-1585 [8] BOLT  
  3B-4508 [8] LOCKWASHER  
  1A-1135 [6] BOLT  
  3B-4510 [6] LOCKWASHER  
  2S-0188 [1] PLATE (RIGHT HAND)  
  1S-4590 [1] PLATE (LEFT HAND)  
  1S-4651 [1] FENDER ASSEM.  
    (RIGHT HAND)
  1S-4652 [1] FENDER ASSEM.  
    (LEFT HAND)
  1S-4606 [2] BRACKET ASSEM.  
  0S-1589 [8] BOLT  
  3B-4510 [8] LOCKWASHER  
 

Information:

Special Instruction
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Installation of Vented Buffer Seal Assembly, U-Cup Seal, and Double Lip Wiper Seal for Hydraulic Cylinders{7562}
Installation of Vented Buffer Seal Assembly, U-Cup Seal, and Double Lip Wiper Seal for Hydraulic Cylinders{7562}
Installation of Double Lip Wiper Seal{7562}
Installation of Double Lip Wiper Seal{7562}
Installation of Double Lip Wiper Seal{7562}
Installation of Double Lip Wiper Seal{7562}
Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}
Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
Technical Information Bulletin
The Failure of the Buffer Seal that can be Caused by a Defect in the Seal Groove on All Track-Type Tractors, Wheel Loaders, Hydraulic Excavators and Backhoe Loaders that Use Cylinders that were Manufactured After 1January 2000{7562}
The Failure of the Buffer Seal that can be Caused by a Defect in the Seal Groove on All Track-Type Tractors, Wheel Loaders, Hydraulic Excavators and Backhoe Loaders that Use Cylinders that were Manufactured After 1January 2000{7562}
Surface Finishes of Cylinder Bores{7562}
Surface Finishes of Cylinder Bores{7562}
Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}
Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}
Tool Operating Manual
Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}
Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}
1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}
1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}
Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}
Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}
Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}
Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}
Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}
Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}
Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}
Reuse And Salvage Guidelines
Testing Hydraulic Cylinders Using the <NOBR>188-3926</NOBR> Caterpillar Cylinder Tester and the <NOBR> 9U-6803</NOBR> Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Reuse Guideline for Hydraulic Cylinder Position Sensor {5574, 5736}
Reuse Guideline for Hydraulic Cylinder Position Sensor {5574, 5736}
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}
Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}
Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}
HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}
HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}
Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 7562}
Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 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 <NOBR>188-3926</NOBR> Caterpillar Cylinder Tester and the <NOBR> 9U-6803</NOBR> 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
Modification Recommended If Seal Leakage Occurs In Lift/Tilt Cylinder Lines {5057}
1987/03/09
New U-Cup Seal And Spacer(s) Replace Cylinder Rod Packing Seal {5101,5102,5103,5104,5213,5223,5229,5265}
1996/06/10
New Backup Rings Are Available for Sealing Hydraulic Cylinders with Pitted Grooves {4303, 5102, 5104, 5106, 5456, 7562}
2003/06/30
New Seals and Backup Rings for Hydraulic Cylinders are Available {4303, 5102, 5104, 7562}
2001/08/06
New Assembly Instructions for Rod Seals on Hydraulic Cylinders are Available {7562}
2001/09/04
Correctly Assembling the Buffer Seal Will Prevent Failure of the U-Cup Seals {7562}
2001/07/30
Double Lip Wiper Seals Must Be Installed Properly {7562}
2002/12/09
Procedure Now Available to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
2013/02/28
Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}
2009/01/05
A Rework Procedure Improves the Seal Assembly Performance in Hydraulic Cylinders on Cat Products {7562}
2010/04/30

Caterpillar Parts SIS Catalog 988 :

DIFFERENTIAL
2S-6277 DIFFERENTIAL
DIFFERENTIAL AND GEAR GROUP
5S-7501 DIFFERENTIAL AND GEAR GROUP
HYDRAULIC PUMP ASSEMBLY
5J-5930 HYDRAULIC PUMP ASSEMBLY
HYDRAULIC PUMP ASSEMBLY
5J-5930 HYDRAULIC PUMP ASSEMBLY
HYDRAULIC PUMP ASSEMBLY
5J-4275 HYDRAULIC PUMP ASSEMBLY
3S-0399 LIFT CYLINDER AND PUMP ARRANGEMENT
JOINT GP-SWIVEL
4K-4895 JOINT GP-SWIVEL
JOINT GP-SWIVEL
4K-4895 JOINT GP-SWIVEL
DIFFERENTIAL AND GEAR GROUP
1S-7629 DIFFERENTIAL AND GEAR GROUP
DIFFERENTIAL AND GEAR GROUP
2S-0294 DIFFERENTIAL AND GEAR GROUP
1S-2271 TIRE, WHEEL AND FENDER ARRANGEMENT
TIRE AND MOUNTING
TIRE AND MOUNTING
5S-0690 TIRE CHAIN ARMOR ARRANGEMENT
5S-0691 TIRE CHAIN ARMOR ARRANGEMENT
REPLACEMENT PARTS FOR CHAIN ARMOR
REPLACEMENT PARTS FOR CHAIN ARMOR
3S-9153 TIRE, WHEEL AND FENDER ARRANGEMENT

Truck sale:

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The names Cat, Caterpillar, John Deere, Komatsu, Volvo, Hitachi, Doosan, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
AVSpare.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only. Cat® and Caterpillar® are registered trademarks of Caterpillar, Inc.