120G MOTOR GRADER 82V00001-00667 (MACHINE) HYDRAULIC SYSTEM Caterpillar SIS

MOTOR GRADER 120G MOTOR GRADER 82V
120G MOTOR GRADER 82V00001-00667 (MACHINE) UEG0878S 120G 82V (1974)

Parts group 120G:

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HYDRAULIC SYSTEM

CENTERSHIFT GP

2G-6850 EXTENSION GROUP

2G6850 EXTENSION GROUP--Side Shift--Field Installation

CONTROL GP-CENTERSHIFT LOCK

9D-5000 CONTROL GP-CENTERSHIFT

CENTERSHIFT LOCK CONTROL (9D5000 N/S)
Serial No. 87V1 to 87V930 inclusive and 82V1 to 82V655 inclusive
8D7306 Valve parts are shown on Page 137

9D-5000 CONTROL GP-CENTERSHIFT

CENTERSHIFT LOCK CONTROL (9D5000 N/S)
Serial No. 87V931-Up and 82V656-Up
8D7306 Valve parts are shown on Page 137

COOLER GP

1P-9575 COOLER GP-HYDRAULIC OIL

HYDRAULIC OIL COOLER (1P9575 N/S)
Serial No. 87V650-Up

1P-9575 COOLER GP-HYDRAULIC OIL

HYDRAULIC OIL COOLER (1P9575 N/S)
Serial No. 87V1 to 87V649 inclusive

CYLINDER GP

9D-1360 CYLINDER & MOUNTING GP-CSHIFT

9D1360 CENTERSHIFT CYLINDER AND MOUNTING GROUP

8J-8777 CENTERSHIFT CYLINDER GROUP

8J8777 CENTERSHIFT CYLINDER GROUP--(Change 2)--3" Bore x 18.00" Stroke
Part of Centershift Cylinder and Mounting

8J-8589 BLADE LIFT CYLINDER GROUP

8J8589 BLADE LIFT CYLINDER GROUP--(Change 2)--3" Bore X 36.50" Stroke
Part of 9D1350 Blade Lift Cylinder and Mounting Group shown on Page 141

9D-9830 CYLINDER & MOUNTING GP

9D9830 MOUNTING AND BLADE SHIFT CYLINDER GROUP
Part of 2G430, 2G460, 2G6316 and 2G6321 Blade Arrangements listed on
Pages 206A, 206B & 207. 8J28 Cylinder parts are shown on Page 144
AN ATTACHMENT

9D-1350 CYLINDER & MOUNTING GP

9D1350 BLADE LIFT CYLINDER AND MOUNTING GROUP
8J8589 Cylinder parts are shown on Page 140

7D-9945 BLADE SIDE SHIFT CYLINDER AND MOUNTING GROUP

7D9945 BLADE SIDE SHIFT CYLINDER AND MOUNTING GROUP
Replaced by 9D9830 shown on Page 140A. Part of 9D6335, 9D6500, 9D6330 and
9D6370 Blade Arrangements listed on Page 207. 8J28 Cylinder parts are shown
on Page 144. AN ATTACHMENT

8J-0028 CYLINDER GP-BLADE SIDE SHIFT

8J28 BLADE SIDE SHIFT CYLINDER GROUP--(Change 2)--3" Bore x 47.00" Stroke
Part of 7D9945 Blade Side Shift Cylinder and Mounting Group shown on Page 141

9J-3466 CYLINDER GP-BLADE TIP

9J3466 BLADE TIP CYLINDER GROUP--(Changes 0 and 1)--2.75" Bore x 12.09" Stroke
Part of 9D6670 Blade Tip Cylinder and Mounting Group shown on Page 146

9D-6670 BLADE TIP CYLINDER AND MOUNTING GROUP

9D6670 BLADE TIP CYLINDER AND MOUNTING GROUP
Replaced by 7D9955 shown on Page 146A. Part of 9D6330 and 9D6370 Power Blade
and Tip Arrangements listed on Page 207. 9J3466 Cylinder parts are shown on Page 145
AN ATTACHMENT

7D-9955 CYLINDER & MOUNTING GP

7D9955 BLADE TIP CYLINDER AND MOUNTING GROUP
Part of 9D6330, 9D6370 and 2G6316 Power Blade and Tip Arrangements listed on
Page 206B. 9J3466 Cylinder parts are shown on Page 145. AN ATTACHMENT

8J-5538 STEERING CYLINDER GROUP

8J5538 STEERING CYLINDER GROUP--R.H.--(Changes 2-4)--2.50" Bore X 9.88" Stroke
Part of 9D9985 Steering Cylinder and Mounting Group shown on Page 153

9D-9985 STEERING CYLINDER AND MOUNTING

STEERING CYLINDER AND MOUNTING (9D9985 N/S)
8J5538 Cylinder parts are shown on Page 152

8J-8590 CYLINDER GP-ARTICULATION

8J8590 ARTICULATION CYLINDER GROUP--(Change 2)--3" Bore x 11.25" Stroke
Part of Articulation Cylinder and Mounting

9D-0180 CYLINDER & MOUNTING GP-ARTIC

9D180 ARTICULATION CYLINDER AND MOUNTING GROUP
8J8590 Cylinder parts are shown on Page 156

8J-5539 WHEEL LEAN CYLINDER GROUP

8J5539 WHEEL LEAN CYLINDER GROUP--(Change 1-3)--3.50" Bore X 5.85" Stroke
Part of 8D3320 Leaning Wheel Cylinder and Mounting Group shown on Page 159

8D-3320 LEANING WHEEL CYLINDER AND MOUNTING

LEANING WHEEL CYLINDER AND MOUNTING (8D3320 N/S)

8J-7321 SCARIFIER CYLINDER GROUP

8J7321 SCARIFIER CYLINDER GROUP--(Change 1)--3" Bore x 12.75" Stroke
Part of 9D2630 Scarifier Mounting and Cylinder Group shown on Page 202

9D-2630 SCARIFIER CYLINDER AND MOUNTING GROUP

9D2630 SCARIFIER CYLINDER AND MOUNTING GROUP
Part of 9D5545 VEE Scarifier Arrangement listed on Page 206. 8J7321 Scarifier
Cylinder parts are shown on Page 201. AN ATTACHMENT

DRIVE GP

9D-1830 CIRCLE DRIVE

CIRCLE DRIVE (9D1830 N/S)--Part 1 of 2--Top View

9D-1830 CIRCLE DRIVE

CIRCLE DRIVE (9D1830 N/S)--Part 2 of 2--Side View
9J1300 Motor parts are shown on Page 132

7D-9600 DRIVE GP-PUMP

7D9600 PUMP DRIVE GROUP

LEVER GP

9J-2012 LEVER GP

9J2012 LEVER GROUP
Part of 9J1762 Unloading Valve Group, 8J5903, 8J5961, 8J5906, 8J5907, 8J5908 and
8J5902 Control Valve Groups shown on Pages 167 and 191 through 196

LINES GP-CYLINDER

9D-0930 LINES GP-LIFT CYLINDER

9D930 LIFT CYLINDER LINES GROUP
8J9974 and 8J9975 Valve parts are shown on Pages 137 and 202

LINES GP-FRONT

2G-0230 FRONT ATTACHMENT LINES GROUP

2G230 FRONT ATTACHMENT LINES GROUP
Part of 9D8435, 9D8433, 9D8434 and 9D8425 Hydraulic Control Arrangements listed on Page 197

LINES GP-HYDRAULIC

9D-0995 CIRCLE MOTOR LINES GROUP

9D995 CIRCLE MOTOR LINES GROUP
8J5913 Check Valve parts are shown on Page 132

9D-1030 HYDRAULIC CENTERSHIFT LINES GROUP

9D1030 HYDRAULIC CENTERSHIFT LINES GROUP--1 Circuit
8J9974 Valve parts are shown on Page 137

2G-3510 LINES GP-HYDRAULIC

2G3510 BLADE TIP LINES GROUP--1 Circuit--Type 1
Part of 9D6330, 9D6370 and 2G6316 Blade & Tip Arrangements listed on Page 206B
8J5913 Valve and 8J384 Swivel parts are shown on Pages 132 and 146
AN ATTACHMENT

2G-3510 LINES GP-HYDRAULIC

2G3510 BLADE TIP LINES GROUP--1 Circuit--Type 2
Part of 9D6330, 9D6370 and 2G6316 Blade & Tip Arrangements listed on Page 206B
8J5913 Valve and 8J384 Swivel parts are shown on Pages 132 and 146
AN ATTACHMENT

9D-1770 BLADE TIP LINES GROUP

9D1770 BLADE TIP LINES GROUP--1 Circuit
Replaced by 2G3510 shown on Page 146B
Part of 9D6330 and 9D6370 Blade and Tip Arrangements listed on Page 206B
8J5913 Valve and 8J384 Swivel parts are shown on Pages 132 and 146. AN ATTACHMENT

9D-0900 LINES GP-HYDRAULIC

9D900 HYDRAULIC ARTICULATION LINES GROUP--1 Circuit
8J9974 Valve parts are shown on Page 137

9D-0860 LINES GP-HYDRAULIC

9D860 HYDRAULIC LEANING WHEEL LINES GROUP--1 Circuit
8J5913 Valve parts are shown on Page 132

9D-5660 SCARIFIER HYDRAULIC LINES GROUP

9D5660 SCARIFIER HYDRAULIC LINES GROUP--Type 1
Replaced by 2G4060 shown on Page 203
Part of 9D5545 VEE Scarifier Arrangement listed on Page 206
8J9975 Valve parts are shown on Page 202

9D-5660 SCARIFIER HYDRAULIC LINES GROUP

9D5660 SCARIFIER HYDRAULIC LINES GROUP--Type 2
Replaced by 2G4060 shown on Page 203
Part of 9D5545 VEE Scarifier Arrangement listed on Page 206
8J9975 Valve parts are shown on Page 202

2G-4060 LINES GP-HYDRAULIC 1

2G4060 SCARIFIER HYDRAULIC LINES GROUP--Type 1
Part of 9D5545 VEE Scarifier Arrangement listed on Page 206
8J9975 Valve parts are shown on Page 202

2G-4060 LINES GP-HYDRAULIC 1

2G4060 SCARIFIER HYDRAULIC LINES GROUP--Type 2
Part of 9D5545 VEE Scarifier Arrangement listed on Page 206
8J5798 Valve parts are shown on Page 203B

LINES GP-PUMP

9D-1130 LINES GP-PUMP

9D1130 PUMP LINES GROUP--Part 1 of 3
8J2011 and 9J792 Valve parts are shown on Pages 163 and 167

9D-1130 LINES GP-PUMP

9D1130 PUMP LINES GROUP--Part 2 of 3

9D-1130 LINES GP-PUMP

9D1130 PUMP LINES GROUP--Part 3 of 3

LINES GP-SIDESHIFT

9D-1765 BLADE SHIFT LINES GROUP

9D1765 BLADE SHIFT LINES GROUP
Replaced by 2G3520 shown on Page 148A
Part of 9D6335, 9D6500, 9D6330 and 9D6370 Blade Arrangements listed on Pages 206B & 207
8J5913 Valve and 8J4568 Swivel Joint parts are shown on Pages 132 and 149. AN ATTACHMENT

2G-3520 LINES GP-BLADE SHIFT

2G3520 BLADE SHIFT LINES GROUP--1 Circuit
Part of 9D6330, 9D6370, 2G6316, 9D6335, 9D6500 and 2G6321 Blade Arrangements listed on Pages 206B and 207
8J5913 Valve and 8J4568 Swivel parts are shown on Pages 132 and 149
AN ATTACHMENT

LINES GP-STEERING

9D-9995 STEERING LINES

STEERING LINES (9D9995 N/S)--Part 1 of 2

9D-9995 STEERING LINES

STEERING LINES (9D9995 N/S)--Part 2 of 2
9J6353 Valve parts are shown on Page 149

LOCK GP

9D-1275 LOCK GP-CENTERSHIFT

9D1275 CENTERSHIFT LOCK GROUP

MOTOR GP

9J-1300 BASIC GEROTOR MOTOR GROUP

9J1300 BASIC GEROTOR MOTOR GROUP
Part of 9D1830 Circle Drive Group shown on Page 131

PUMP GP

9D-0950 PUMP AND MOUNTING GROUP

9D950 PUMP AND MOUNTING GROUP
8J6731 Pump parts are shown on Page 172

8J-6730 PUMP GP-SLIPPER

8J6730 SLIPPER PUMP GROUP--Part 1 of 2
Part of Slipper and Gear Piston Pump shown on Page 172
8J6729 Control Head parts are shown on Page 173

8J-6730 PUMP GP-SLIPPER

8J6730 SLIPPER PUMP GROUP--Part 2 of 2
Part of Slipper and Gear Piston Pump shown on Page 172

8J-6731 PUMP GP-SLIPPER & GEAR PISTON

8J6731 SLIPPER AND GEAR PISTON PUMP GROUP
Part of 9D950 Pump and Mounting Group shown on Page 169
8J6730 Slipper Pump parts are shown on Pages 170 and 171

8J-6729 HEAD GP-PUMP CONTROL

8J6729 PUMP CONTROL HEAD GROUP
Part of 8J6730 Slipper Pump Group shown on Page 170
8J6103 and 8J6316 Valve parts are shown on Page 174

8J-6316 SERVO VALVE GROUP

8J6316 SERVO VALVE GROUP
Part of 8J6729 Pump Control Head Group shown on Page 173

PUMP GP-METERING

9J-6495 BASIC METERING PUMP GROUP

9J6495 BASIC METERING PUMP GROUP
Serial No. 87V961-Up
Part of Steering Control shown on Page 152A

9J-5828 BASIC METERING PUMP GROUP

9J5828 BASIC METERING PUMP GROUP
Part of Steering Control shown on Page 153

SHAFT GP

7D-9600 DRIVE GP-PUMP

7D9600 PUMP DRIVE GROUP

7D-9268 UNIVERSAL JOINT GROUP

7D9268 UNIVERSAL JOINT GROUP
Part of 7D9600 Pump Drive Group shown on Page 162

SWIVEL GP

8J-0384 SWIVEL GP

8J384 SWIVEL GROUP
Part of 9D1770 Blade Tip Lines Group shown on Page 147

8J-4568 SWIVEL JOINT GP

8J4568 SWIVEL JOINT GROUP
Part of 9D1765 Blade Shift Lines Group shown on Page 148

TANK GP

5D-1910 COVER GP-PROTECTION

5D1910 PROTECTION COVER GROUP--Hydraulic Tank Cap
AN ATTACHMENT

8D-6670 HYDRAULIC TANK

HYDRAULIC TANK (8D6670 N/S)--Part 1 of 2
Serial No. 87V1 to 87V909 inclusive and 82V1 to 82V654 inclusive

8D-6670 HYDRAULIC TANK

HYDRAULIC TANK (8D6670 N/S)--Part 2 of 2
Serial No. 87V1 to 87V909 inclusive and 82V1 to 82V654 inclusive

8D-6670 HYDRAULIC TANK

HYDRAULIC TANK (8D6670 N/S)--Part 1 of 2
Serial No. 87V910-Up and 82V655-Up

8D-6670 HYDRAULIC TANK

HYDRAULIC TANK (8D6670 N/S)--Part 2 of 2
Serial No. 87V910-Up and 82V655-Up

VALVE & LINKAGE GP

9D-2880 VALVE & LINKAGE GP

9D2880 SCARIFIER LINKAGE AND VALVE GROUP
8J9289 Unit Test Valve parts are shown on Page 186
AN ATTACHMENT

9D-5250 VALVE & LINKAGE GP

9D5250 POWER BLADE LINKAGE AND VALVE GROUP
9J1226 Unit Test Valve parts are shown on Page 186
AN ATTACHMENT

9D-1580 VALVE & LINKAGE GP

LINKAGE AND VALVE (9D1580 N/S)--Part 1 of 2

9D-1580 VALVE & LINKAGE GP

LINKAGE AND VALVE (9D1580 N/S)--Part 2 of 2
Unit Test Valve parts are shown on Page 185

9D-6920 VALVE & LINKAGE GP

9D6920 POWER BLADE AND SCARIFIER LINKAGE AND VALVE GROUP
8J9289 and 9J1226 Unit Test Valve parts are shown on Page 186
AN ATTACHMENT

9D-6930 VALVE & LINKAGE GP

9D6930 POWER BLADE, TIP AND SCARIFIER LINKAGE AND VALVE GROUP
8J9289 and 8J6172 Unit Test Valve parts are shown on Pages 186 and 190
AN ATTACHMENT

9D-6910 VALVE & LINKAGE GP

9D6910 POWER BLADE AND TIP LINKAGE AND VALVE GROUP
8J6172 Unit Test Valve parts are shown on Page 190
AN ATTACHMENT

9D-8515 VALVE & LINKAGE GP

9D8515 LINKAGE AND VALVE GROUP
Part of 9D8434 Hydraulic Control Arrangement listed on Page 197
8J9289 and 9J1216 Unit Test Valve parts are shown on Pages 186 and 188
AN ATTACHMENT

9D-8524 VALVE & LINKAGE GP

9D8524 LINKAGE AND VALVE GROUP
Part of 9D8425 Hydraulic Control Arrangement listed on Page 197
9J1219 and 8J6172 Unit Test Valve parts are shown on Pages 189 and 190
AN ATTACHMENT

9D-5270 VALVE & LINKAGE GP

9D5270 LINKAGE AND VALVE GROUP
Part of 9D8435 Hydraulic Control Arrangement listed on Page 197
8J9289 and 9J1224 Unit Test Valve parts are shown on Pages 186 and 187
AN ATTACHMENT

9D-8525 VALVE & LINKAGE GP

9D8525 LINKAGE AND VALVE GROUP--Wing, Scarifier, Blade Tip, Plow Dozer & Side Shift
Part of 9D8433 Hydraulic Control Arrangement listed on Page 197. 9J1216 and
9J1219 parts are shown on Pages 188 and 189. AN ATTACHMENT

VALVE GP

8J-5913 VALVE GP

8J5913 PILOT OPERATED CHECK VALVE GROUP
Part of 9D995 Circle Motor Lines, 9D1770 and 9D1765 Blade Lines and 9D860
Leaning Wheel Lines Groups shown on Pages 133, 147, 148 and 156A

8D-7306 BASIC AIR CONTROL VALVE GROUP

8D7306 BASIC AIR CONTROL VALVE GROUP
Part of 9D5000 Centershift Lock Control Group shown on Pages 136 & 136A

8J-6103 VALVE GP

8J6103 PRESSURE REDUCING VALVE GROUP
Part of 8J6729 Pump Control Head Group shown on Page 173

VALVE GP-CHECK

8J-9974 VALVE GP-CHECK

8J9974 PILOT OPERATED CHECK VALVE GROUP
Part of 9D1030 Centershift Lines, 9D930 Lift Cylinder Lines and 9D900 Articulation Lines
Groups shown on Pages 138, 139 and 155

9J-4932 VALVE GP-CHECK

9J4932 CHECK VALVE GROUP--Pilot Operated
Part of 2G230 Front Attachment Lines Group

VALVE GP-CHECK & RELIEF

8J-9975 CHECK & RELIEF VALVE GP

8J9975 CHECK AND RELIEF VALVE GROUP--Replaced by 8J5798 shown
on Page 203B
Part of 9D930 Lift Cylinder Lines and 9D5660 & 2G4060 Scarifier Hydraulic Lines
Groups shown on Pages 139, 202A, 202B & 203

8J-5798 VALVE GP-RELIEF & CHECK

8J5798 CHECK AND RELIEF VALVE GROUP
Part of 2G4060 Scarifier Lines Group shown on Page 203A

VALVE GP-COMBINATION

9J-0792 COMBINATION VALVE GROUP

9J792 COMBINATION VALVE GROUP
Serial No. 87V1002-Up and 82V663-Up. Part of Pump Lines shown on Page 164
9J1762 and 9J5147 Valve parts are shown on Pages 166 and 166A

9J-0792 COMBINATION VALVE GROUP

9J792 COMBINATION VALVE GROUP
Serial No. 87V1 to 87V1001 inclusive & 82V1 to 82V662 inclusive
Part of Pump Lines shown on Page 164
9J1762 and 9J794 Valve parts are shown on Pages 167 and 168

VALVE GP-CONTROL

8J-8595 VALVE GP-CONTROL

8J8595 CONTROL VALVE GROUP--Circle Drive & Blade Lift
Part of 9D1580 Linkage and Valve Group shown on Page 177
8J5903 and 8J5961 Control Valve parts are shown on Pages 191 and 192

8J-5989 VALVE GP-CONTROL

8J5989 CONTROL VALVE GROUP--Blade Lift, Wheel Lean, Center Shift and
Articulation--R.H.
Part of 9D1580 Linkage and Valve Group shown on Page 177. 8J5961,
8J5906 and 8J5907 Control Valve parts are shown on Pages 192 through 194

8J-9289 VALVE GP-CONTROL

8J9289 CONTROL VALVE GROUP--Blade Wheel Lean, Center Shift Scarifier and
Articulation. Part of 9D2880, 9D6920, 9D6930, 9D8515 and 9D5270 Linkage
and Valve Groups shown on Pages 175, 178, 179, 181 and 183. 8J5961, 8J5906,
8J5907 and 8J5908 Control Valve parts are shown on Pages 192 through 195

9J-1226 VALVE GP-CONTROL

9J1226 CONTROL VALVE GROUP--Circle Drive, Side Shift and Blade Lift
Part of 9D5250 and 9D6930 Linkage and Valve Groups shown on Pages 175 and 178
8J5903, 8J5961 and 8J5902 Control Valve parts are shown on Pages 191, 192 and 196

9J-1224 VALVE GP-CONTROL

9J1224 CONTROL VALVE GROUP--Circle Drive, Side Shift, Blade and Wing
Part of 9D5270 Linkage and Valve Group shown on Page 183
8J5903, 8J5961 and 8J5902 Control Valve parts are shown on Pages 191, 192 and 196

9J-1216 VALVE GP-CONTROL

9J1216 CONTROL VALVE GROUP--Blade, Circle Drive, Side Shift and Wing
Part of 9D8515 and 9D9525 Linkage and Valve Groups shown on Pages 181 and 184
8J5903, 8J5961, 8J5908 and 8J5902 Control Valve parts are shown on Pages 191, 192, 195 and 196

9J-1219 VALVE GP-CONTROL

9J1219 CONTROL VALVE GROUP--Blade, Scarifier, Wheel Lean, Center Shift and Articulation
Part of 9D8524 and 9D8525 Linkage and Valve Groups shown on Pages 182 and 184
8J5961, 8J5906, 8J5907 and 8J5908 Control Valve parts are shown on Pages 192 through 195

8J-6172 VALVE GP-CONTROL

8J6172 CONTROL VALVE GROUP--Blade, Circle Drive, Side Shift and Ripper
Part of 9D6930, 9D6910 and 9D8524 Linkage and Valve Groups shown on Pages 179,
180 and 182. 8J5903, 8J5961, 8J5908 and 8J5902 Control Valve parts are shown on
Pages 191, 192, 195 and 196

8J-5903 VALVE GP-CONTROL

8J5903 CONTROL VALVE GROUP
Part of 8J8595, 9J1226, 9J1224, 9J1216 and 8J6172 Valve Groups shown on Pages 185 through 188 and 190
9J2012 Lever parts are shown on Page 190

8J-5961 VALVE GP-CONTROL

8J5961 CONTROL VALVE GROUP
Part of Unit Test Valves, 8J9289, 9J1226, 9J1224, 9J1216, 9J1219 and 8J6172 Unit Test Valve Groups shown on Pages 185 through 190
9J2012 Lever parts are shown on Page 190

8J-5906 VALVE GP-CONTROL

8J5906 CONTROL VALVE GROUP
Part of 8J5989, 8J9289 and 9J1219 Valve Groups shown on Pages 185, 186 and 189
9J2012 Lever parts are shown on Page 190

8J-5907 VALVE GP-CONTROL

8J5907 CONTROL VALVE GROUP
Part of 8J5989, 8J9289 and 9J1219 Valve Groups shown on Pages 185, 186 and 189
9J2012 Lever parts are shown on Page 190

8J-5908 VALVE GP-CONTROL

8J5908 CONTROL VALVE GROUP
Part of 8J9289, 9J1216, 9J1219 and 8J1672 Unit Test Valve Groups shown on Pages 186, 188, 189 and 190
9J2012 Lever parts are shown on Page 190

8J-5902 VALVE GP-CONTROL

8J5902 CONTROL VALVE GROUP
Part of 9J1226, 9J1224, 9J1216 and 8J6172 Valve Groups shown on Pages 186 through 188 and 190
9J2012 Lever parts are shown on Page 190

VALVE GP-RELIEF

9J-6353 RELIEF VALVE GROUP

9J6353 RELIEF VALVE GROUP
Part of 9D9995 Steering Lines Group shown on Page 151

8J-2011 VALVE GP-DIRECT RELIEF

8J2011 DIRECT OPERATED RELIEF VALVE GROUP
Part of 9D1130 Pump Lines Group shown on Page 164

9J-5147 RELIEF VALVE GROUP

9J5147 RELIEF VALVE GROUP
Serial No. 87V1002-Up
Part of 9J792 Combination Valve Group shown on Page 166B

9J-0794 PILOT OPERATED RELIEF VALVE GROUP

9J794 PILOT OPERATED RELIEF VALVE GROUP
Part of 9J792 Combination Valve Group shown on Page 167

VALVE GP-UNLOADING

9J-1762 VALVE GP-UNLOADING

9J1762 UNLOADING VALVE GROUP
Part of 9J792 Combination Valve Group
9J2012 Lever parts are shown on Page 190

Information:

(For parts list, see above)

HYDRAULIC SYSTEM

ACCUMULATOR GP

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}

Technical Information Bulletin

Updated Ride Control Accumulator Test and Charge Instructions{0738, 5004, 5077, 5081, 7474}
Updated Ride Control Accumulator Test and Charge Instructions{0738, 5004, 5077, 5081, 7474}

Specifications

Accumulator Solenoid Valve Group
12G, 120G, 130G & 140G MOTOR GRADERS HYDRAULIC SYSTEM & STEE

Accumulators
12G, 120G, 130G & 140G MOTOR GRADERS HYDRAULIC SYSTEM & STEE

Tool Operating Manual

NEHS1214: 455-0126 Nitrogen Booster Pump Group {0374, 0599, 0647, 0756, 4263, 4331, 5077, 7200}
NEHS1214: 455-0126 Nitrogen Booster Pump Group {0374, 0599, 0647, 0756, 4263, 4331, 5077, 7200}

Disassembly and Assembly

Steering Accumulator
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Service Magazine

During Predelivery, Make Sure Nitrogen Charge Pressure Is Correct In Blade Cushion Accumulators{5077}
1989/10/16

The Accumulator Discharging and Charging Procedures are Updated {5077}
The Accumulator Discharging and Charging Procedures are Updated {5077}

CENTERSHIFT GP

Specifications

Centershift Control Valve (8D7306 & 2G8020)
120G, 130G & 140G MOTOR GRADERS AIR SYSTEM AND BRAKES

Centershift Lock Pin (8D9920 And 9D1275)
120G, 130G & 140G MOTOR GRADERS AIR SYSTEM AND BRAKES

Air Valve For Centershift Lock Pin Valve (2G5694) Automatic Switch Co. HVA-200-733
120G, 130G & 140G MOTOR GRADERS AIR SYSTEM AND BRAKES

Centershift And Blade Lift
120G MOTOR GRADER HYDRAULIC SYSTEM AND STEERING

Centershift Control Valve 2G8020
120G & 130G & 140G MOTOR GRADERS AIR SYSTEM & BRAKES

Centershift Lock Pin 8D9920 And 9D1275
120G & 130G & 140G MOTOR GRADERS AIR SYSTEM & BRAKES

Disassembly and Assembly

Centershift Lock Control Valve
12G, 14G, 16G, 120G, 130G & 140G MOTOR GRADERS OPERATOR'S ST

Centershift Lock
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Centershift Lock Control Valve
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Centershift Lockplate Bushings
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Blade Centershift Cylinder
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Wheel Lean And Centershift Lock Check Valves
120G VEHICLE SYSTEMS

Centershift Lock
120G VEHICLE SYSTEMS

Centershift Lock Control Valve
120G VEHICLE SYSTEMS

Centershift Lock Plate Bushings
120G VEHICLE SYSTEMS

Blade Centershift Cylinder
120G VEHICLE SYSTEMS

Service Magazine

Valve Assembly Used In Centershift Lock Control Group To Prevent Accidental Rotation And Lowering Of Blade{5220,5221,5223,6151}
1980/10/20

Valve Assembly And Nipple Moved From Centershift Lock Control Group To Brake Control Group To Prevent Unauthorized Operation{4282,4267,5220,5221,5223,6151}
1980/11/10

Correct Position Of Shims In Blade Lift And Centershift Cylinder Groups{5102,5223}
1982/04/12

Keep The Lever For The Centershift Lock Control Valve In the "Index And Run" Position To Prevent Air Leakage{5220}
1985/03/18

Centershift Extension Groups: A Better Method To Cut A Bank Slope At A 2:1 Ratio{5229,6151}
1977/04/11

Stronger Extension Assembly In Centershift Extension Group{5200}
1977/08/29

New Blade Lift And Centershift Cylinders Have Caps With Shims For Adjustment{5102,5223}
1979/03/12

Adjustment Procedure For Blade Lift Cylinders And Centershift Cylinders{5223,5102}
1979/03/26

CONTROL GP-CENTERSHIFT LOCK

Special Instruction

Installation Of 2G2873 And 2G2874 Console Channels{5201}
Installation Of 2G2873 And 2G2874 Console Channels{5201}

Specifications

Centershift Control Valve (8D7306 & 2G8020)
120G, 130G & 140G MOTOR GRADERS AIR SYSTEM AND BRAKES

Centershift Control Valve 2G8020
120G & 130G & 140G MOTOR GRADERS AIR SYSTEM & BRAKES

Disassembly and Assembly

Centershift Lock Control Valve
12G, 14G, 16G, 120G, 130G & 140G MOTOR GRADERS OPERATOR'S ST

Centershift Lock Control Valve
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Centershift Lock Control Valve
120G VEHICLE SYSTEMS

Service Magazine

Valve Assembly Used In Centershift Lock Control Group To Prevent Accidental Rotation And Lowering Of Blade{5220,5221,5223,6151}
1980/10/20

Valve Assembly And Nipple Moved From Centershift Lock Control Group To Brake Control Group To Prevent Unauthorized Operation{4282,4267,5220,5221,5223,6151}
1980/11/10

Identification Of Hydraulic Control Valves{5064,5051,5054,5214,5226,5220}
1981/04/13

Check Valve Prevents Release Of The Parking Brake{5220,4267}
1982/04/26

Keep The Lever For The Centershift Lock Control Valve In the "Index And Run" Position To Prevent Air Leakage{5220}
1985/03/18

Circle Drive Unit Cover Can Be Modified To Prevent Oil Loss Through The Vent{5201,5209}
1994/03/07

CONTROL GP-POWER

Slip Clutches Now Available On Circle Drive Group{5058,5237,5207,6154}
1981/02/09

Circle Drive Unit Cover Can Be Modified To Prevent Oil Loss Through The Vent{5201,5209}
1994/03/07

CONTROL GP-RIDE

Technical Information Bulletin

Updated Ride Control Accumulator Test and Charge Instructions{0738, 5004, 5077, 5081, 7474}
Updated Ride Control Accumulator Test and Charge Instructions{0738, 5004, 5077, 5081, 7474}

COOLER GP

Special Instruction

Retrofit Installation of Coolant Loss Sensor{1353, 1395, 7422, 7470}
Retrofit Installation of Coolant Loss Sensor{1353, 1395, 7422, 7470}

Disassembly and Assembly

Radiator Core And Hydraulic Oil Cooler
3304 & 3306 VEHICULAR ENGINES FPR 14G. 12G, 120G, 130G, & 12

Service Magazine

Canister Size Of Coolant Conditioner Element Has Changed{1350}
1985/11/25

Field Repair Of Cooler Cores Made Of Aluminium{1063,1374,1375}
1977/09/05

Easy Five-Minute Coolant Conditioner Test With 8T5296 Coolant Conditioner Test Kit{1395,0786}
1987/03/23

5P957 And 5P3514 Coolant And Battery Tester{0786,1395,1401}
1987/03/23

Be Sure Battery Cable-To-Starter Connection Has Correct Torque{1453}
1988/03/14

Improved Seals Used; Seal Replacement In Folded Core Radiators {1353}
1988/05/09

New Publication Available-"Coolant And Your Engine"{1395,0374,0375}
1989/02/13

Engine Coolant Can Be Recycled{1395}
1989/11/13

Caterpillar Introduces New Long Life Heavy Duty Engine Coolant{1395}
1994/09/19

Test Kit Checks Oil Coolers for Leaks {0768, 0781, 0783, 0784}
2004/12/27

COUPLING GP

Information Release Memo, HOS04-02, "XT-6 Hose and Couplings to XT-6 ES Components" Is Available {5057}
2004/06/21

Information Release Memo, PELJ0340 , "Reusable Couplings for Caterpillar -12 and -16 XT-6 ES Hose" {5057}
2004/06/28

COVER GP

Instrument Panel Guards Prevent Vandalism (Damage) To Machines{7315}
1982/09/20

CYLINDER GP

Special Instruction

Dimensions Of Articulated Joints And Steering Cylinder Bores For Motor Graders{7051, 7065, 7066}
Dimensions Of Articulated Joints And Steering Cylinder Bores For Motor Graders{7051, 7065, 7066}

Installation Of Second Hydraulic Steering Cylinder{4303}
Installation Of Second Hydraulic Steering Cylinder{4303}

Installation Of Improved Steering Cylinders, Sockets And Crossover Relief Valves On Motor Graders{4303}
Installation Of Improved Steering Cylinders, Sockets And Crossover Relief Valves On Motor Graders{4303}

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}

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

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}

Specifications

Mounting For Articulation Cylinder
120G MOTOR GRADER HYDRAULIC SYSTEM AND STEERING

Cylinders (8J8589 and 3G5225, 8J8777 and 3G5226, 8J8590, 8J5538, 8J8820, 3G8069 and 3G8070)
120G MOTOR GRADER HYDRAULIC SYSTEM AND STEERING

Cylinders (8J5539 and 3G4752, 8J7321 and 3G1853, 9J3466, 8J28)
120G MOTOR GRADER HYDRAULIC SYSTEM AND STEERING

Cylinder Groups
12G, 120G, 130G & 140G MOTOR GRADERS HYDRAULIC SYSTEM & STEE

Cylinder Mounting
12G, 120G, 130G & 140G MOTOR GRADERS HYDRAULIC SYSTEM & STEE

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 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}

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

Disassembly and Assembly

Steering Cylinders
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Wheel Lean Cylinder
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Blade Lift Cylinders
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Ball And Socket Joint Inserts
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Blade Sideshift Cylinder
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Blade Centershift Cylinder
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Blade Tip Cylinder
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Articulation Cylinders
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Hydraulic Cylinders
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Steering Cylinder
120G VEHICLE SYSTEMS

Wheel Lean Cylinder
120G VEHICLE SYSTEMS

Blade Lift Cylinders
120G VEHICLE SYSTEMS

Ball And Socket Joint Inserts
120G VEHICLE SYSTEMS

Blade Sideshift Cylinder
120G VEHICLE SYSTEMS

Blade Centershift Cylinder
120G VEHICLE SYSTEMS

Blade Tip Cylinder
120G VEHICLE SYSTEMS

Articulation Cylinders
120G VEHICLE SYSTEMS

Hydraulic Cylinders
120G VEHICLE SYSTEMS

Service Magazine

Valve Assembly Used In Centershift Lock Control Group To Prevent Accidental Rotation And Lowering Of Blade{5220,5221,5223,6151}
1980/10/20

Valve Assembly And Nipple Moved From Centershift Lock Control Group To Brake Control Group To Prevent Unauthorized Operation{4282,4267,5220,5221,5223,6151}
1980/11/10

Correct Position Of Shims In Blade Lift And Centershift Cylinder Groups{5102,5223}
1982/04/12

New Pin For Moldboard Shift Cylinder Prevents Loss During Operation{5229}
1984/06/04

Centershift Extension Groups: A Better Method To Cut A Bank Slope At A 2:1 Ratio{5229,6151}
1977/04/11

Washers Added To Articulation Cylinders Minimize Damage To Cylinder Crowns{7058,4303}
1987/05/25

Steering System Now Uses Two Hydraulic Cylinders{4303}
1978/02/06

New Back-up Rings For Hydraulic Cylinders{5200,5100}
1988/03/28

New Articulation And Scarifier Cylinders Have Larger Piston Retaining Bolts{5213,7058}
1988/10/24

New Blade Lift And Centershift Cylinders Have Caps With Shims For Adjustment{5102,5223}
1979/03/12

Adjustment Procedure For Blade Lift Cylinders And Centershift Cylinders{5223,5102}
1979/03/26

Steering System Improvements Prevent Possible Damage To Steering Cylinder Sockets{4303,4304,4305,4322}
1979/08/27

Adjustable Wear Strip Kit Available For Blade Cylinder Tip Bracket {5254,5230}
1989/05/08

New Metering Pump Group Available To Reduce Drift In Motor Graders With Single Steering Cylinder{4312}
1993/07/26

Lock Valve Group With A Relief For Right Blade Lift Cylinder Is Available On Motor Graders{5102,5100}
1994/02/07

New Assembly Instructions for Rod Seals on Hydraulic Cylinders are Available {7562}
2002/04/08

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}
Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}

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

DRIVE GP

Specifications

Pump Drive
12G, 120G, 130G & 140G MOTOR GRADERS HYDRAULIC SYSTEM & STEE

Circle Drive Group
12G, 120G, 130G & 140G MOTOR GRADERS HYDRAULIC SYSTEM & STEE

Circle Drive With Slip Clutch Group (Attachment) (5T0570 - 12G, 120G, 130G, 140G)
12G, 120G, 130G & 140G MOTOR GRADERS HYDRAULIC SYSTEM & STEE

Reuse And Salvage Guidelines

Motor Grader Circle Pinion Reuse {5207}
Motor Grader Circle Pinion Reuse {5207}

Procedure to Repair Worn Blade Circles for Series G Motor Graders{5207, 6154}
Procedure to Repair Worn Blade Circles for Series G Motor Graders{5207, 6154}

Disassembly and Assembly

Circle Drive Motor
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Circle Drive
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Pump Drive
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Pump Group Drive Shaft
3304 & 3306 VEHICULAR ENGINES FPR 14G. 12G, 120G, 130G, & 12

Circle Drive And Blade Sideshift Lock Check Valves
120G VEHICLE SYSTEMS

Circle Drive Motor
120G VEHICLE SYSTEMS

Circle Drive
120G VEHICLE SYSTEMS

Pump Drive
120G VEHICLE SYSTEMS

Service Magazine

Slip Clutches Now Available On Circle Drive Group{5058,5237,5207,6154}
1981/02/09

Less Oil Used In Circle Drive Group To Prevent Leakage Through Vent Assembly{5207}
1984/01/30

Lubrication Of Circle Drive Pinion And Wear Strips; Wear Strip Clearance Adjustment{5207,6155}
1984/11/05

Hydraulic Motor And Lines Changed For Circle Drive{5050,5200}
1977/04/11

Stronger Final Drive Shaft Used For Service Replacement{4068}
1977/12/12

Correct Adjustment And Lubrication Will Improve Circle Component Life {5207,6154}
1987/08/03

Procedure To Test And Adjust Circle Drive Slip Clutch{5207}
1987/08/10

Back-Up Rings Added To Circle Drive Gerotor Motor Groups{5082}
1987/10/12

Back-Up Rings Made Of Harder Material Are Available For Use In Circle Drive Gerotor Motor Groups {5082}
1988/05/02

New Circle Drive Pinions Have Longer Service Life {5207}
1988/09/26

New Circle Drive Gerotor Motor Groups Provide Higher Torque To Circle Drive {5082}
1988/12/19

New Seal Ring Used In Gerotor Motor Group For Circle Drive{5050,5200}
1979/04/02

Items To Check If Excessive Effort Is Required To Operate Circle Drive Motor{5050,5235}
1989/01/30

Different Universal Joint Group May Be Used In 7D9600 Pump Drive Group {3108}
1990/05/28

Circle Drive Cover May Need To Be Reworked If Part Serviced Circle Housing/Assembly Used{5207}
1991/11/25

Circle Drive Unit Cover Can Be Modified To Prevent Oil Loss Through The Vent{5201,5209}
1994/03/07

Procedure To Test the Slip Clutch for the Circle Drive {5082, 5207, 5209}
2004/08/16

The Disassembly and Assembly Manual for Worm Gear Bearing Preload Setting has been Updated on Certain Motor Graders {5207}
2015/01/16

FILTER GP

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}

Guidelines for the Use of High Efficiency Filters for the Hydraulic Oil System and for the Power Train Oil System {3000, 3004, 5050, 5068}
Guidelines for the Use of High Efficiency Filters for the Hydraulic Oil System and for the Power Train Oil System {3000, 3004, 5050, 5068}

Specifications

Filter And Tank
120G MOTOR GRADER HYDRAULIC SYSTEM AND STEERING

Tool Operating Manual

Procedures for Using 9U-5971 and 173-9842 Filter Cart Group {0599, 0738, 5050, 5056, 5057, 5068, 5095, 7579}
Procedures for Using 9U-5971 and 173-9842 Filter Cart Group {0599, 0738, 5050, 5056, 5057, 5068, 5095, 7579}

188-3242 Filter Cart Group and 227-2479 Filter Cart Group{0374, 0599, 0680, 0738, 0768, 5050, 5056, 5095}
188-3242 Filter Cart Group and 227-2479 Filter Cart Group{0374, 0599, 0680, 0738, 0768, 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}

Service Magazine

Oil Filter Inspection Can Save Additional Internal Engine Damage{1318}
1985/06/17

Improved Cold Weather Steering For Series "G" Motor Graders{4304,4307,5068}
1978/11/20

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

A Replacement Filter Is Incorrectly Identified {5050, 5068}
2002/12/23

Optional High Efficiency Filters Are Now Available {3004, 5068}
2003/07/07

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}

FLOAT AR-BLADE

Special Instruction

Installation of 8W2408 Blade Float Arrangement{5241}
Installation of 8W2408 Blade Float Arrangement{5241}

Installation Of Blade Float Attachment Arrangements{6150}
Installation Of Blade Float Attachment Arrangements{6150}

KITS

Technical Information Bulletin

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}

LINES GP

Special Instruction

New Hose Couplings Are Now Used{0684, 5057, 5057, 7554}
New Hose Couplings Are Now Used{0684, 5057, 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}

Technical Information Bulletin

The Flange Head on 442-5593 Coupling As May Have Been Manufactured Incorrectly {5057}
The Flange Head on 442-5593 Coupling As May Have Been Manufactured Incorrectly {5057}

Tool Operating Manual

358-4528 (380/480 V, 50/60 Hz, 3 Phase), 457-6040 (230V, 60 Hz, Single Phase) , 457-6039 (230V, 50 Hz, Single Phase) Hose Machine Group Set-Up and Operation{0599, 0684}
358-4528 (380/480 V, 50/60 Hz, 3 Phase), 457-6040 (230V, 60 Hz, Single Phase) , 457-6039 (230V, 50 Hz, Single Phase) Hose Machine Group Set-Up and Operation{0599, 0684}

Crimputer III Setup and Operation{0684, 5057}
Crimputer III Setup and Operation{0684, 5057}

Crimping Caterpillar 1E294, 1E716, 1E844 Hose and Couplings {0374, 0599, 0684, 0738, 5057}
Crimping Caterpillar 1E294, 1E716, 1E844 Hose and Couplings {0374, 0599, 0684, 0738, 5057}

Using the 209-3153 Portable Hose Machine {0374, 0599, 0684, 0738, 5057}
Using the 209-3153 Portable Hose Machine {0374, 0599, 0684, 0738, 5057}

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}

Converting 137-7238 Hose Assembly Machines and 134-5640 Hose Assembly Machines (100 Ton) from Sony Control to Crimputer Control{0374, 0599, 0684, 5057}
Converting 137-7238 Hose Assembly Machines and 134-5640 Hose Assembly Machines (100 Ton) from Sony Control to Crimputer Control{0374, 0599, 0684, 5057}

Set up and Basic Operation of the 145-5161 Floor Model Hose Machine {0374, 0599, 0684, 0738, 5057}
Set up and Basic Operation of the 145-5161 Floor Model Hose Machine {0374, 0599, 0684, 0738, 5057}

Using the 9U-5792, 4C-5052, 4C-5054, 4C-3670, and 4C-3680 Hydraulic Hose Machines{0374, 0599, 0684, 0738, 5057}
Using the 9U-5792, 4C-5052, 4C-5054, 4C-3670, and 4C-3680 Hydraulic 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}

Crimping Permanent Couplings Using the 136-3642 Crimp Tool Group in Combination and XT Hose Machines{0374, 0599, 0684, 5057}
Crimping Permanent Couplings Using the 136-3642 Crimp Tool Group in Combination and XT Hose Machines{0374, 0599, 0684, 5057}

Reuse And Salvage Guidelines

Crimputer III Setup and Operation{0684, 5057}
Crimputer III Setup and Operation{0684, 5057}

Contamination Control Guidelines

Hose Products Reference Guide {0374, 0599, 0684, 0738, 5057}
Hose Products Reference Guide {0374, 0599, 0684, 0738, 5057}

Service Magazine

New Protective Caps For Hose Clamps Are Now Available {5057}
2001/11/19

Information Release Memo, HOS04-02, "XT-6 Hose and Couplings to XT-6 ES Components" Is Available {5057}
2004/06/21

Information Release Memo, PELJ0340 , "Reusable Couplings for Caterpillar -12 and -16 XT-6 ES Hose" {5057}
2004/06/28

Information Release Memo, PELJ0481 , "Product Line Expansion for Caterpillar Low and Medium Pressure Hose and Coupling Products" {5057}
2005/02/21

The 6V-8633 Connector Has Changed {5057, 7553}
2005/11/28

Caterpillar Hose and Coupling Practices {0618, 1000, 5057, 7000}
2008/05/26

LINES GP-AUXILIARY

The 6V-8633 Connector Has Changed {5057, 7553}
2005/11/28

LINES GP-COUPLER

Quick Disconnect Coupling On Optional Modification Of 5P4150 Nozzle Tester Permits Faster Exchange Of Adapters{0651,1254}
1979/09/03

The 6V-8633 Connector Has Changed {5057, 7553}
2005/11/28

LINES GP-CYLINDER

Disassembly and Assembly

Blade Lift Cylinders
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Hydraulic Cylinders
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Blade Lift Cylinders
120G VEHICLE SYSTEMS

Hydraulic Cylinders
120G VEHICLE SYSTEMS

Service Magazine

Correct Position Of Shims In Blade Lift And Centershift Cylinder Groups{5102,5223}
1982/04/12

New Blade Lift And Centershift Cylinders Have Caps With Shims For Adjustment{5102,5223}
1979/03/12

Adjustment Procedure For Blade Lift Cylinders And Centershift Cylinders{5223,5102}
1979/03/26

Lock Valve Group With A Relief For Right Blade Lift Cylinder Is Available On Motor Graders{5102,5100}
1994/02/07

LINES GP-HYDRAULIC

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}

New Hose Couplings Are Now Used{0684, 5057, 5057, 7554}
New Hose Couplings Are Now Used{0684, 5057, 5057, 7554}

Technical Information Bulletin

Some Hydraulic Couplings are Identified with an Incorrect Part Number{5057}
Some Hydraulic Couplings are Identified with an Incorrect Part Number{5057}

The Flange Head on 442-5593 Coupling As May Have Been Manufactured Incorrectly {5057}
The Flange Head on 442-5593 Coupling As May Have Been Manufactured Incorrectly {5057}

Tool Operating Manual

Crimputer III Setup and Operation{0684, 5057}
Crimputer III Setup and Operation{0684, 5057}

242-3567 Variable Crimp Die Bowl{0684}
242-3567 Variable Crimp Die Bowl{0684}

Crimping Caterpillar 1E294, 1E716, 1E844 Hose and Couplings {0374, 0599, 0684, 0738, 5057}
Crimping Caterpillar 1E294, 1E716, 1E844 Hose and Couplings {0374, 0599, 0684, 0738, 5057}

Using the 209-3153 Portable Hose Machine {0374, 0599, 0684, 0738, 5057}
Using the 209-3153 Portable Hose Machine {0374, 0599, 0684, 0738, 5057}

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}

Set up and Basic Operation of the 145-5161 Floor Model Hose Machine {0374, 0599, 0684, 0738, 5057}
Set up and Basic Operation of the 145-5161 Floor Model Hose Machine {0374, 0599, 0684, 0738, 5057}

Reuse And Salvage Guidelines

Crimputer III Setup and Operation{0684, 5057}
Crimputer III Setup and Operation{0684, 5057}

Contamination Control Guidelines

Hose Products Reference Guide {0374, 0599, 0684, 0738, 5057}
Hose Products Reference Guide {0374, 0599, 0684, 0738, 5057}

Service Magazine

New Valve Group Used In Hydraulic Lines Group To Give Protection To Hydraulic Circuits{5235,5057}
1978/08/07

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

Information Release Memo, HOS04-02, "XT-6 Hose and Couplings to XT-6 ES Components" Is Available {5057}
2004/06/21

Information Release Memo, PELJ0340 , "Reusable Couplings for Caterpillar -12 and -16 XT-6 ES Hose" {5057}
2004/06/28

Five New Wrenches Remove Snap To Connect Couplings from Hydraulic Hose Assemblies {0602, 0738, 5057}
2006/02/13

Caterpillar Hose and Coupling Practices {0618, 1000, 5057, 7000}
2008/05/26

Hydraulic Hose Suppression Sleeves for Certain Machines are Now Available {5057}
Hydraulic Hose Suppression Sleeves for Certain Machines are Now Available {5057}

LINES GP-PILOT

Technical Information Bulletin

The Flange Head on 442-5593 Coupling As May Have Been Manufactured Incorrectly {5057}
The Flange Head on 442-5593 Coupling As May Have Been Manufactured Incorrectly {5057}

LINES GP-PUMP

Specifications

Priority Valve
12G, 120G, 130G & 140G MOTOR GRADERS HYDRAULIC SYSTEM & STEE

LINES GP-SIDESHIFT

Disassembly and Assembly

Blade Sideshift Cylinder
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Hydraulic Cylinders
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Blade Sideshift Cylinder
120G VEHICLE SYSTEMS

Blade Centershift Cylinder
120G VEHICLE SYSTEMS

Hydraulic Cylinders
120G VEHICLE SYSTEMS

Service Magazine

New Pin For Moldboard Shift Cylinder Prevents Loss During Operation{5229}
1984/06/04

Centershift Extension Groups: A Better Method To Cut A Bank Slope At A 2:1 Ratio{5229,6151}
1977/04/11

LINES GP-STEERING

Improved Cold Weather Steering For Series "G" Motor Graders{4304,4307,5068}
1978/11/20

Steering System Improvements Prevent Possible Damage To Steering Cylinder Sockets{4303,4304,4305,4322}
1979/08/27

LINES GP-STICK

The 6V-8633 Connector Has Changed {5057, 7553}
2005/11/28

LOCK GP

Specifications

Centershift Lock Pin (8D9920 And 9D1275)
120G, 130G & 140G MOTOR GRADERS AIR SYSTEM AND BRAKES

Air Valve For Centershift Lock Pin Valve (2G5694) Automatic Switch Co. HVA-200-733
120G, 130G & 140G MOTOR GRADERS AIR SYSTEM AND BRAKES

Centershift Lock Pin 8D9920 And 9D1275
120G & 130G & 140G MOTOR GRADERS AIR SYSTEM & BRAKES

Disassembly and Assembly

Centershift Lock Control Valve
12G, 14G, 16G, 120G, 130G & 140G MOTOR GRADERS OPERATOR'S ST

Wheel Lean And Centershift Lock Check Valves
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Centershift Lock
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Centershift Lock Control Valve
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Centershift Lockplate Bushings
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Wheel Lean And Centershift Lock Check Valves
120G VEHICLE SYSTEMS

Centershift Lock
120G VEHICLE SYSTEMS

Centershift Lock Control Valve
120G VEHICLE SYSTEMS

Centershift Lock Plate Bushings
120G VEHICLE SYSTEMS

Service Magazine

Valve Assembly Used In Centershift Lock Control Group To Prevent Accidental Rotation And Lowering Of Blade{5220,5221,5223,6151}
1980/10/20

Valve Assembly And Nipple Moved From Centershift Lock Control Group To Brake Control Group To Prevent Unauthorized Operation{4282,4267,5220,5221,5223,6151}
1980/11/10

Keep The Lever For The Centershift Lock Control Valve In the "Index And Run" Position To Prevent Air Leakage{5220}
1985/03/18

Lock Group Available For Plow/Dozer On Motor Graders Equipped With Load Sensing Hydraulics {5116,5100}
1993/01/18

MISCELLANEOUS INFORMATION

Special Instruction

Dimensions Of Articulated Joints And Steering Cylinder Bores For Motor Graders{7051, 7065, 7066}
Dimensions Of Articulated Joints And Steering Cylinder Bores For Motor Graders{7051, 7065, 7066}

Installation Of Second Hydraulic Steering Cylinder{4303}
Installation Of Second Hydraulic Steering Cylinder{4303}

Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}

Specifications

Centershift Control Valve 2G8020
120G & 130G & 140G MOTOR GRADERS AIR SYSTEM & BRAKES

Centershift Lock Pin 8D9920 And 9D1275
120G & 130G & 140G MOTOR GRADERS AIR SYSTEM & BRAKES

Service Magazine

New Cross-Over Steering Relief Valve Used{4322}
1980/01/28

Valve Assembly Used In Centershift Lock Control Group To Prevent Accidental Rotation And Lowering Of Blade{5220,5221,5223,6151}
1980/10/20

Valve Assembly And Nipple Moved From Centershift Lock Control Group To Brake Control Group To Prevent Unauthorized Operation{4282,4267,5220,5221,5223,6151}
1980/11/10

Improvements To Selector And Pressure Control Valve Group Give Operator Better Control When Manual Modulation Pedal Is Depressed (Pushed In){3167,3162,3157,3152}
1980/12/15

Slip Clutches Now Available On Circle Drive Group{5058,5237,5207,6154}
1981/02/09

Identification Of Hydraulic Control Valves{5064,5051,5054,5214,5226,5220}
1981/04/13

Use Correct Setting For Check And Relief Valve{0374,5214,5057}
1982/02/08

Correct Position Of Shims In Blade Lift And Centershift Cylinder Groups{5102,5223}
1982/04/12

Instrument Panel Guards Prevent Vandalism (Damage) To Machines{7315}
1982/09/20

Swashplate Stop Setting For Piston Pumps{5070}
1984/04/09

New Pin For Moldboard Shift Cylinder Prevents Loss During Operation{5229}
1984/06/04

Correct Position Of O-ring Seals And Back-Up Rings In Pump Control Head Group{5070}
1984/10/08

Identification Grooves Used On Slippers For Pistons In Hydraulic Pumps And Motors{5070,5058}
1984/11/26

Oil Changes Not Necessary For Front Wheel Spindle Bearing Housings{4313,4300}
1984/12/10

Keep The Lever For The Centershift Lock Control Valve In the "Index And Run" Position To Prevent Air Leakage{5220}
1985/03/18

O-Ring Face Seal Fittings Available{5050,5057}
1985/04/22

Oil Filter Inspection Can Save Additional Internal Engine Damage{1318}
1985/06/17

Reusable O-ring Face Seal Couplings Available{5050,5057}
1985/06/24

Canister Size Of Coolant Conditioner Element Has Changed{1350}
1985/11/25

Oil Leakage From Implement Control Valve Can Be Caused By Wrong Adjustment{5051}
1977/03/07

Modification Of Circuitry In 9D6720 Junction Box Prevents Failure Of Automatic Blade Control{5260}
1977/03/21

Centershift Extension Groups: A Better Method To Cut A Bank Slope At A 2:1 Ratio{5229,6151}
1977/04/11

Hydraulic Motor And Lines Changed For Circle Drive{5050,5200}
1977/04/11

Correct Adjustment Of Automatic Blade Control For Accuracy Of Slope Angle Cut In Relation To Slope Control Dial Position{5216}
1977/10/03

Stronger Final Drive Shaft Used For Service Replacement{4068}
1977/12/12

Use New Salesgram For Information On All Load Sensing Hydraulic Systems{5050,5200}
1987/11/02

Steering System Now Uses Two Hydraulic Cylinders{4303}
1978/02/06

Swashplate Stop Setting For Piston Pumps Made Easier{5070}
1978/10/30

Improved Cold Weather Steering For Series "G" Motor Graders{4304,4307,5068}
1978/11/20

New Back-up Rings For Hydraulic Cylinders{5200,5100}
1988/03/28

New Seal Ring Used In Gerotor Motor Group For Circle Drive{5050,5200}
1979/04/02

Plastic Cover Changed To Prevent Contact With Hydraulic Control Valve Linkage{7301,5063}
1979/06/11

Spring Removed From Relay Valve On Scraper Brake Control Group{4280}
1979/06/18

Pump Failure Can Be Prevented{5070,5200}
1979/08/20

Steering System Improvements Prevent Possible Damage To Steering Cylinder Sockets{4303,4304,4305,4322}
1979/08/27

During Predelivery, Make Sure Nitrogen Charge Pressure Is Correct In Blade Cushion Accumulators{5077}
1989/10/16

Cold Weather Recommendations For Hydraulic System Have Been Changed {5050}
1992/03/09

New Metering Pump Group Available To Reduce Drift In Motor Graders With Single Steering Cylinder{4312}
1993/07/26

Circle Drive Unit Cover Can Be Modified To Prevent Oil Loss Through The Vent{5201,5209}
1994/03/07

MOTOR GP

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

Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 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}

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

Disassembly and Assembly

Circle Drive Motor
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Circle Drive Motor
120G VEHICLE SYSTEMS

Service Magazine

Snap Ring No Longer Used On Shaft Of Piston-Type Hydraulic Pumps And Motors{5070,5058}
1980/08/04

Maximum Permissible Rates For Case Drain Leakage Permit Field Checks Of Piston-Type Hydraulic Pumps And Motors{5070,5058}
1980/09/01

Slip Clutches Now Available On Circle Drive Group{5058,5237,5207,6154}
1981/02/09

Identification Grooves Used On Slippers For Pistons In Hydraulic Pumps And Motors{5070,5058}
1984/11/26

Hydraulic Motor And Lines Changed For Circle Drive{5050,5200}
1977/04/11

Back-Up Rings Added To Circle Drive Gerotor Motor Groups{5082}
1987/10/12

Back-Up Rings Made Of Harder Material Are Available For Use In Circle Drive Gerotor Motor Groups {5082}
1988/05/02

New Circle Drive Gerotor Motor Groups Provide Higher Torque To Circle Drive {5082}
1988/12/19

New Seal Ring Used In Gerotor Motor Group For Circle Drive{5050,5200}
1979/04/02

Items To Check If Excessive Effort Is Required To Operate Circle Drive Motor{5050,5235}
1989/01/30

Procedure To Test the Slip Clutch for the Circle Drive {5082, 5207, 5209}
2004/08/16

PUMP GP

Special Instruction

Nexus Gear Pump Porting{5073}
Nexus Gear Pump Porting{5073}

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

Hydraulic Pump (8J6730) (Part of 8J6731 Pump Group)
120G MOTOR GRADER HYDRAULIC SYSTEM AND STEERING

Hydraulic Pump (8J5846) (Part of 8J6731 Pump Group)
120G MOTOR GRADER HYDRAULIC SYSTEM AND STEERING

Hydraulic Pump Mounting
120G MOTOR GRADER HYDRAULIC SYSTEM AND STEERING

Drive For Hydraulic Pump
120G MOTOR GRADER HYDRAULIC SYSTEM AND STEERING

Supplemental Steering Pump
"G" SERIES MOTOR GRADERS SUPPLEMENTAL STEERING SYSTEM

Motor - 24 Volt (2G5515)
"G" SERIES MOTOR GRADERS SUPPLEMENTAL STEERING SYSTEM

Relief Valve (4T1056)
"G" SERIES MOTOR GRADERS SUPPLEMENTAL STEERING SYSTEM

Hydraulic Pump 120G: (Earlier 4T0501, Later 6E1278); 12G, 130G, 140G: (Earlier 9T1417, Later 6E1279)
12G, 120G, 130G & 140G MOTOR GRADERS HYDRAULIC SYSTEM & STEE

Electric Drive Pump Groups
"G" SERIES MOTOR GRADERS SUPPLEMENTAL STEERING SYSTEM

Tool Operating Manual

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}

Reuse And Salvage Guidelines

Vane Type Hydraulic Pumps {5055}
Vane Type Hydraulic Pumps {5055}

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

Hydraulic Piston Pumps Used in Certain Models of Caterpillar Equipment{3203, 5070, 5084}
Hydraulic Piston Pumps Used in Certain Models of Caterpillar Equipment{3203, 5070, 5084}

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}

Bench Test Procedures

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

Bench Test Procedure for Vane Pumps {5055}
Bench Test Procedure for Vane Pumps {5055}

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

Disassembly and Assembly

Steering Pump
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Pressure And Flow Compensator Valve
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Hydraulic Pump
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Steering Pump
120G VEHICLE SYSTEMS

Cooler Pump
120G VEHICLE SYSTEMS

Hydraulic Pump
120G VEHICLE SYSTEMS

Service Magazine

Snap Ring No Longer Used On Shaft Of Piston-Type Hydraulic Pumps And Motors{5070,5058}
1980/08/04

Maximum Permissible Rates For Case Drain Leakage Permit Field Checks Of Piston-Type Hydraulic Pumps And Motors{5070,5058}
1980/09/01

Spacer Removed From Hydraulic Pump Groups{5070}
1980/11/03

Swashplate Stop Setting For Piston Pumps{5070}
1984/04/09

Correct Position Of O-ring Seals And Back-Up Rings In Pump Control Head Group{5070}
1984/10/08

Identification Grooves Used On Slippers For Pistons In Hydraulic Pumps And Motors{5070,5058}
1984/11/26

New Variable Displacement Implement Piston Pump Used{5084}
1985/08/05

New Metering Pump Groups Used In Steering Control Group{4306,4312}
1978/06/19

Swashplate Stop Setting For Piston Pumps Made Easier{5070}
1978/10/30

Pump Failure Can Be Prevented{5070,5200}
1979/08/20

New Shield Protects Shaft Seal On Motor Grader Piston Pumps {5070}
1993/06/14

New Metering Pump Group Available To Reduce Drift In Motor Graders With Single Steering Cylinder{4312}
1993/07/26

Cover Plate, Flange are Available for Use During Flow Tests on the Main Hydraulic Pumps {0738, 5070, 5084}
2005/04/25

PUMP GP-METERING

Specifications

Metering Valve For Steering (9J9276)
120G MOTOR GRADER HYDRAULIC SYSTEM AND STEERING

Metering Valve For Steering (9J6495)
120G MOTOR GRADER HYDRAULIC SYSTEM AND STEERING

Hand Metering Unit
12G, 120G, 130G & 140G MOTOR GRADERS HYDRAULIC SYSTEM & STEE

Service Magazine

New Metering Pump Groups Used In Steering Control Group{4306,4312}
1978/06/19

New Metering Pump Group Available To Reduce Drift In Motor Graders With Single Steering Cylinder{4312}
1993/07/26

The Serviceability of Metering Pumps Has Been Limited {4312}
2005/12/19

New Metering Pump Groups For Steering Control Prevent Oil Leaks {4300, 4301, 4312}
2010/08/19

SHAFT GP

Specifications

Pump Drive
12G, 120G, 130G & 140G MOTOR GRADERS HYDRAULIC SYSTEM & STEE

Disassembly and Assembly

Pump Drive
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Pump Group Drive Shaft
3304 & 3306 VEHICULAR ENGINES FPR 14G. 12G, 120G, 130G, & 12

Pump Drive
120G VEHICLE SYSTEMS

Service Magazine

Stronger Final Drive Shaft Used For Service Replacement{4068}
1977/12/12

Different Universal Joint Group May Be Used In 7D9600 Pump Drive Group {3108}
1990/05/28

STEERING GP

Specifications

Supplemental Steering Pump
"G" SERIES MOTOR GRADERS SUPPLEMENTAL STEERING SYSTEM

Motor - 24 Volt (2G5515)
"G" SERIES MOTOR GRADERS SUPPLEMENTAL STEERING SYSTEM

Magnetic Switch (7N3621)
"G" SERIES MOTOR GRADERS SUPPLEMENTAL STEERING SYSTEM

Pressure Switch (3T4197)
"G" SERIES MOTOR GRADERS SUPPLEMENTAL STEERING SYSTEM

Dump Valve Switch (9G2795)
"G" SERIES MOTOR GRADERS SUPPLEMENTAL STEERING SYSTEM

Relief Valve (4T1056)
"G" SERIES MOTOR GRADERS SUPPLEMENTAL STEERING SYSTEM

Systems Operation

Systems Operation
"G" SERIES MOTOR GRADERS SUPPLEMENTAL STEERING SYSTEM

Reuse And Salvage Guidelines

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}

Testing and Adjusting

Testing And Adjusting
"G" SERIES MOTOR GRADERS SUPPLEMENTAL STEERING SYSTEM

Service Magazine

Supplemental Steering Attachment Available{4300}
1982/07/19

Oil Changes Not Necessary For Front Wheel Spindle Bearing Housings{4313,4300}
1984/12/10

SWIVEL GP

Specifications

Swivel Group
12G, 120G, 130G & 140G MOTOR GRADERS HYDRAULIC SYSTEM & STEE

Reuse And Salvage Guidelines

Thermal Spray Procedures for Hydraulic Swivel {0679, 5060}
Thermal Spray Procedures for Hydraulic Swivel {0679, 5060}

Disassembly and Assembly

Swivel Joint
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Swivel Joint
120G VEHICLE SYSTEMS

SWIVEL JOINT GP

Reuse And Salvage Guidelines

Thermal Spray Procedures for Hydraulic Swivel {0679, 5060}
Thermal Spray Procedures for Hydraulic Swivel {0679, 5060}

TANK GP

Specifications

Filter And Tank
120G MOTOR GRADER HYDRAULIC SYSTEM AND STEERING

Hydraulic Tank Group
12G, 120G, 130G & 140G MOTOR GRADERS HYDRAULIC SYSTEM & STEE

Tool Operating Manual

204-7392 (Air Motor Driven) Filter Cart {0645, 0680, 0738, 5056, 5068}
204-7392 (Air Motor Driven) Filter Cart {0645, 0680, 0738, 5056, 5068}

Procedures For Using: 127-8781 Transfer Filter Cart , old 9U-7361 (110V, 60 hz), 169-7159 Transfer Filter Cart , old 127-8782 (220V, 50 hz) CE, 174-9158 Transfer Filter Cart , old 129-0849 (Air Motor Driven){0374, 0599, 0680, 0738}
Procedures For Using: 127-8781 Transfer Filter Cart , old 9U-7361 (110V, 60 hz), 169-7159 Transfer Filter Cart , old 127-8782 (220V, 50 hz) CE, 174-9158 Transfer Filter Cart , old 129-0849 (Air Motor Driven){0374, 0599, 0680, 0738}

Procedure for Using 173-8839 Fluid Storage Filter Cart {0113, 0374, 0599, 0680, 0738, 7579}
Procedure for Using 173-8839 Fluid Storage Filter Cart {0113, 0374, 0599, 0680, 0738, 7579}

Reuse And Salvage Guidelines

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

Procedure for Filtering 9U-5000 Hydraulic Test Bench Hydraulic Oil {0680, 0738, 0768, 0784, 5050, 5056}
Procedure for Filtering 9U-5000 Hydraulic Test Bench Hydraulic Oil {0680, 0738, 0768, 0784, 5050, 5056}

Filtration Procedure for Excavator Hydraulic Oil {0680, 0768, 5050, 5056}
Filtration Procedure for Excavator Hydraulic Oil {0680, 0768, 5050, 5056}

Filtration Procedure for Motor Grader Hydraulic Oil. {0680, 0768, 5050, 5056}
Filtration Procedure for Motor Grader Hydraulic Oil. {0680, 0768, 5050, 5056}

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}

Basic Principles of Kidney Loop Filtering Hydraulic Fluid Systems {0680, 0768, 5050, 5056}
Basic Principles of Kidney Loop Filtering Hydraulic Fluid Systems {0680, 0768, 5050, 5056}

Disassembly and Assembly

Hydraulic Tank
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Hydraulic Tank
120G VEHICLE SYSTEMS

Service Magazine

Instrument Panel Guards Prevent Vandalism (Damage) To Machines{7315}
1982/09/20

Plates Installed To Prevent Contact Between Hydraulic Tank And Dash{5056}
1978/06/19

Improved Cold Weather Steering For Series "G" Motor Graders{4304,4307,5068}
1978/11/20

Single Element and Multiple Element Filter Heads are Available for Customized Systems {0738}
2004/03/29

A New Strainer Assembly For the Hydraulic Tank Is Now Available {5056, 5068}
2013/09/02

Welding On Fuel And Hydraulic Tanks {0353, 0679, 1273, 5056, 7000}
2005/12/19

Proper Identification of Ports on 5P-0306 Vacuum Transducer {0768, 5050, 5056}
2006/01/23

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

TOOLS

Truck Engine News

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

Portable Contamination Monitor Group Provides a Lower Cost Alternative to Particle Counting {0781, 0784, 0786, 1300, 5050}
2004/12/01

Changes to the Usage and Cleaning of the Contamination Monitor Group {0784, 5050}
2010/10/01

Engine News

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

Portable Contamination Monitor Group Provides a Lower Cost Alternative to Particle Counting {0781, 0784, 0786, 1300, 5050}
2004/12/01

Changes to the Usage and Cleaning of the Contamination Monitor Group {0784, 5050}
2010/09/10

Special Instruction

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

Operating Instructions for Cat 1U-9400 Series Hydraulic Test Center {0784}
Operating Instructions for Cat 1U-9400 Series Hydraulic Test Center {0784}

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}

Lip Type Seals {0599, 0733, 5050, 7555}
Lip Type Seals {0599, 0733, 5050, 7555}

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

Technical Information Bulletin

Updated Ride Control Accumulator Test and Charge Instructions{0738, 5004, 5077, 5081, 7474}
Updated Ride Control Accumulator Test and Charge Instructions{0738, 5004, 5077, 5081, 7474}

Tool Operating Manual

Crimputer III Setup and Operation{0684, 5057}
Crimputer III Setup and Operation{0684, 5057}

242-3567 Variable Crimp Die Bowl{0684}
242-3567 Variable Crimp Die Bowl{0684}

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}

Crimping Caterpillar 1E294, 1E716, 1E844 Hose and Couplings {0374, 0599, 0684, 0738, 5057}
Crimping Caterpillar 1E294, 1E716, 1E844 Hose and Couplings {0374, 0599, 0684, 0738, 5057}

Using the 209-3153 Portable Hose Machine {0374, 0599, 0684, 0738, 5057}
Using the 209-3153 Portable Hose Machine {0374, 0599, 0684, 0738, 5057}

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

204-7392 (Air Motor Driven) Filter Cart {0645, 0680, 0738, 5056, 5068}
204-7392 (Air Motor Driven) Filter Cart {0645, 0680, 0738, 5056, 5068}

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}

9U-5000 Series Hydraulic Test Bench {0599, 0738}
9U-5000 Series Hydraulic Test Bench {0599, 0738}

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}

4C-9437 Portable Hydraulic Tester , 1U-8761 Portable Hydraulic Tester (Canceled), 4C-9675 Portable Hydraulic Tester , 1U-9951 Portable Hydraulic Tester (Canceled){0599, 0738}
4C-9437 Portable Hydraulic Tester , 1U-8761 Portable Hydraulic Tester (Canceled), 4C-9675 Portable Hydraulic Tester , 1U-9951 Portable Hydraulic Tester (Canceled){0599, 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}

Procedure for Using 173-8839 Fluid Storage Filter Cart {0113, 0374, 0599, 0680, 0738, 7579}
Procedure for Using 173-8839 Fluid Storage Filter Cart {0113, 0374, 0599, 0680, 0738, 7579}

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}

Set up and Basic Operation of the 145-5161 Floor Model Hose Machine {0374, 0599, 0684, 0738, 5057}
Set up and Basic Operation of the 145-5161 Floor Model Hose Machine {0374, 0599, 0684, 0738, 5057}

Using the 164-2691 Printer Group {0374, 0599, 0684, 5057}
Using the 164-2691 Printer Group {0374, 0599, 0684, 5057}

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}

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}

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}

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}

NEHS1214: 455-0126 Nitrogen Booster Pump Group {0374, 0599, 0647, 0756, 4263, 4331, 5077, 7200}
NEHS1214: 455-0126 Nitrogen Booster Pump Group {0374, 0599, 0647, 0756, 4263, 4331, 5077, 7200}

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

Reuse And Salvage Guidelines

Crimputer III Setup and Operation{0684, 5057}
Crimputer III Setup and Operation{0684, 5057}

Contamination Control Guidelines

Filtration Procedure for Excavator Hydraulic Oil {0680, 0768, 5050, 5056}
Filtration Procedure for Excavator Hydraulic Oil {0680, 0768, 5050, 5056}

Filtration Procedure for Motor Grader Hydraulic Oil. {0680, 0768, 5050, 5056}
Filtration Procedure for Motor Grader Hydraulic Oil. {0680, 0768, 5050, 5056}

Procedure for Operating Caterpillar Filter Carts {0680, 0768, 5050}
Procedure for Operating Caterpillar Filter Carts {0680, 0768, 5050}

Hose Products Reference Guide {0374, 0599, 0684, 0738, 5057}
Hose Products Reference Guide {0374, 0599, 0684, 0738, 5057}

Basic Principles of Kidney Loop Filtering Hydraulic Fluid Systems {0680, 0768, 5050, 5056}
Basic Principles of Kidney Loop Filtering Hydraulic Fluid Systems {0680, 0768, 5050, 5056}

Bench Test Procedures

Required Tooling for Bench Testing Hydraulic Components {0784, 4000, 4005, 4129, 4250, 4300, 5050}
Required Tooling for Bench Testing Hydraulic Components {0784, 4000, 4005, 4129, 4250, 4300, 5050}

Service Magazine

Change To 6V95 Socket; Modification Of Existing Sockets{0612}
1981/06/15

Black Light Leak Detection Kit Available For Oil, Fuel and Cooling Systems {0774,1250,1300,1350}
1987/05/11

Extraction Tools For "Live Oil Sampling"{7770,0770,0781,0783,0784}
1988/04/18

Installation Of Valves For Live Oil Sampling{7770,0770,0781,0783,0784}
1988/06/06

New Hydraulic Hose Assembly Machine Integrates Crimputer II with Radial Crimping Technology {0738}
2004/05/03

Single Element and Multiple Element Filter Heads are Available for Customized Systems {0738}
2004/03/29

Hose Kit Helps the Technician Properly Prepare Hydraulic Hose for Assembly {0684}
2004/05/31

243-3133 Quick Connect Coupler (Fluid Sampling) Provides A Coupler for Portable Particle Analyzers {0707, 0717, 0731, 0732, 0738}
2004/07/05

Test Kit Checks Oil Coolers for Leaks {0768, 0781, 0783, 0784}
2004/12/27

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

Portable Contamination Monitor Group Provides a Lower Cost Alternative to Particle Counting {0781, 0784, 0786, 1300, 5050}
2004/12/01

Cover Plate, Flange are Available for Use During Flow Tests on the Main Hydraulic Pumps {0738, 5070, 5084}
2005/04/25

Remove Certain 6D-7726 Hose Assemblies from Inventory {0738}
2005/12/12

Five New Wrenches Remove Snap To Connect Couplings from Hydraulic Hose Assemblies {0602, 0738, 5057}
2006/02/13

Proper Identification of Ports on 5P-0306 Vacuum Transducer {0768, 5050, 5056}
2006/01/23

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

VALVE & LINKAGE GP

Specifications

Linkage And Valve Group
12G, 120G, 130G & 140G MOTOR GRADERS HYDRAULIC SYSTEM & STEE

Service Magazine

New Air Conditioner And Mounting Group Has Improved Linkage To Operate Hydraulic System Dump Valve; Guide Bushing And Seal Added To Plunger{7320,5063}
1980/03/31

Identification Of Hydraulic Control Valves{5064,5051,5054,5214,5226,5220}
1981/04/13

Use Correct Setting For Check And Relief Valve{0374,5214,5057}
1982/02/08

Oil Leakage From Implement Control Valve Can Be Caused By Wrong Adjustment{5051}
1977/03/07

Plastic Cover Changed To Prevent Contact With Hydraulic Control Valve Linkage{7301,5063}
1979/06/11

VALVE GP

Specifications

Centershift Control Valve (8D7306 & 2G8020)
120G, 130G & 140G MOTOR GRADERS AIR SYSTEM AND BRAKES

Air Valve For Centershift Lock Pin Valve (2G5694) Automatic Switch Co. HVA-200-733
120G, 130G & 140G MOTOR GRADERS AIR SYSTEM AND BRAKES

Hydraulic Pump (8J6730) (Part of 8J6731 Pump Group)
120G MOTOR GRADER HYDRAULIC SYSTEM AND STEERING

Hydraulic Pump (8J5846) (Part of 8J6731 Pump Group)
120G MOTOR GRADER HYDRAULIC SYSTEM AND STEERING

Hydraulic Pump Mounting
120G MOTOR GRADER HYDRAULIC SYSTEM AND STEERING

Drive For Hydraulic Pump
120G MOTOR GRADER HYDRAULIC SYSTEM AND STEERING

Relief Valve (9J794 & 9J5147) (Part of 9J792 Combination Valve)
120G MOTOR GRADER HYDRAULIC SYSTEM AND STEERING

Control Valve Section (Part of 9J792 Combination Valve)
120G MOTOR GRADER HYDRAULIC SYSTEM AND STEERING

Relief Valve (3G8437) (Part of 3G8438 Combination Valve)
120G MOTOR GRADER HYDRAULIC SYSTEM AND STEERING

Control Valve Section (Part of 3G8438 Combination Valve)
120G MOTOR GRADER HYDRAULIC SYSTEM AND STEERING

Supplemental Steering Pump
"G" SERIES MOTOR GRADERS SUPPLEMENTAL STEERING SYSTEM

Motor - 24 Volt (2G5515)
"G" SERIES MOTOR GRADERS SUPPLEMENTAL STEERING SYSTEM

Hydraulic Pump 120G: (Earlier 4T0501, Later 6E1278); 12G, 130G, 140G: (Earlier 9T1417, Later 6E1279)
12G, 120G, 130G & 140G MOTOR GRADERS HYDRAULIC SYSTEM & STEE

Priority Valve
12G, 120G, 130G & 140G MOTOR GRADERS HYDRAULIC SYSTEM & STEE

Centershift Control Valve 2G8020
120G & 130G & 140G MOTOR GRADERS AIR SYSTEM & BRAKES

Disassembly and Assembly

Centershift Lock Control Valve
12G, 14G, 16G, 120G, 130G & 140G MOTOR GRADERS OPERATOR'S ST

Wheel Lean And Centershift Lock Check Valves
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Centershift Lock Control Valve
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Pressure And Flow Compensator Valve
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Transmission Hydraulic Control Valves
120G MOTOR GRADER POWER TRAIN

Wheel Lean And Centershift Lock Check Valves
120G VEHICLE SYSTEMS

Steering Pump
120G VEHICLE SYSTEMS

Centershift Lock Control Valve
120G VEHICLE SYSTEMS

Hydraulic Pump
120G VEHICLE SYSTEMS

Control Valves
120G VEHICLE SYSTEMS

Service Magazine

New Air Conditioner And Mounting Group Has Improved Linkage To Operate Hydraulic System Dump Valve; Guide Bushing And Seal Added To Plunger{7320,5063}
1980/03/31

Snap Ring No Longer Used On Shaft Of Piston-Type Hydraulic Pumps And Motors{5070,5058}
1980/08/04

Maximum Permissible Rates For Case Drain Leakage Permit Field Checks Of Piston-Type Hydraulic Pumps And Motors{5070,5058}
1980/09/01

Valve Assembly Used In Centershift Lock Control Group To Prevent Accidental Rotation And Lowering Of Blade{5220,5221,5223,6151}
1980/10/20

Spacer Removed From Hydraulic Pump Groups{5070}
1980/11/03

Valve Assembly And Nipple Moved From Centershift Lock Control Group To Brake Control Group To Prevent Unauthorized Operation{4282,4267,5220,5221,5223,6151}
1980/11/10

Identification Of Hydraulic Control Valves{5064,5051,5054,5214,5226,5220}
1981/04/13

Keep The Lever For The Centershift Lock Control Valve In the "Index And Run" Position To Prevent Air Leakage{5220}
1985/03/18

Oil Leakage From Implement Control Valve Can Be Caused By Wrong Adjustment{5051}
1977/03/07

New Metering Pump Groups Used In Steering Control Group{4306,4312}
1978/06/19

Plastic Cover Changed To Prevent Contact With Hydraulic Control Valve Linkage{7301,5063}
1979/06/11

New Metering Pump Group Available To Reduce Drift In Motor Graders With Single Steering Cylinder{4312}
1993/07/26

New Valve Guide Available{1104}
1995/12/25

VALVE GP-BANK

The 6V-8633 Connector Has Changed {5057, 7553}
2005/11/28

VALVE GP-CHECK

Specifications

Check Valve (Pilot Operated) (8J5913, 8J9974 and 9J4932)
120G MOTOR GRADER HYDRAULIC SYSTEM AND STEERING

Check Valves (Pilot Operated) 8J5913 (Circle Drive, Wheel Lean); 8J9974 (Articulation, Blade Lift - Right Cylinder, Centershift)
12G, 120G, 130G & 140G MOTOR GRADERS HYDRAULIC SYSTEM & STEE

Check Valve (Parking Brake And Centershift Lock) 6D1432
120G & 130G & 140G MOTOR GRADERS AIR SYSTEM & BRAKES

Check Valve (Signal Oil) 9T6146
"G" SERIES MOTOR GRADERS SUPPLEMENTAL STEERING SYSTEM

Disassembly and Assembly

Wheel Lean And Centershift Lock Check Valves
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Blade Tip Lock Check Valve
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Circle Drive And Blade Sideshift Lock Check Valves
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Articulation Lock Check Valve
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Blade Lift Lock Check Valve
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Wheel Lean And Centershift Lock Check Valves
120G VEHICLE SYSTEMS

Blade Lift Lock Check And Relief Valve Blade Tip Lock Check Valve
120G VEHICLE SYSTEMS

Circle Drive And Blade Sideshift Lock Check Valves
120G VEHICLE SYSTEMS

Articulation Lock Check Valve
120G VEHICLE SYSTEMS

Blade Lift Lock Check Valve
120G VEHICLE SYSTEMS

Blade Lift Lock Check And Relief Valve And Lock Check Valves
120G VEHICLE SYSTEMS

Service Magazine

Check Valve Prevents Release Of The Parking Brake{5220,4267}
1982/04/26

Special Lock Check Valve Available{5200}
1985/09/30

VALVE GP-CHECK & RELIEF

Specifications

Lock Check And Relief Valve (8J9975 and 8J5798)
120G MOTOR GRADER HYDRAULIC SYSTEM AND STEERING

Check And Relief Valves 8J5798 (Scarifier); 3G5832 (Blade Tip, Sideshift); 8J9975 (Blade Lift - Left Cylinder, Ripper)
12G, 120G, 130G & 140G MOTOR GRADERS HYDRAULIC SYSTEM & STEE

Disassembly and Assembly

Blade Lift Lock Check And Relief Valve
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Blade Lift Lock Check And Relief Valve Blade Tip Lock Check Valve
120G VEHICLE SYSTEMS

Blade Lift Lock Check And Relief Valve And Lock Check Valves
120G VEHICLE SYSTEMS

Service Magazine

Use Correct Setting For Check And Relief Valve{0374,5214,5057}
1982/02/08

VALVE GP-COMBINATION

Specifications

Combination Valve
12G, 120G, 130G & 140G MOTOR GRADERS HYDRAULIC SYSTEM & STEE

Disassembly and Assembly

Hydraulic Control Valves
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Combination Valve
120G VEHICLE SYSTEMS

Service Magazine

Identification Of Hydraulic Control Valves{5064,5051,5054,5214,5226,5220}
1981/04/13

VALVE GP-CONTROL

Specifications

Centershift Control Valve (8D7306 & 2G8020)
120G, 130G & 140G MOTOR GRADERS AIR SYSTEM AND BRAKES

Control Valve Section (Part of 9J792 Combination Valve)
120G MOTOR GRADER HYDRAULIC SYSTEM AND STEERING

Control Valve Section (Part of 3G8438 Combination Valve)
120G MOTOR GRADER HYDRAULIC SYSTEM AND STEERING

Control Valve Groups 9T0110 - Blade Lift, Blade Tip, 9T1869 - Circle Drive, 9T1876 - Articulation, Ripper, Scarifier, 9T5019 - Centershift, Wheel Lean, 9T5020 - Sideshift
12G, 120G, 130G & 140G MOTOR GRADERS HYDRAULIC SYSTEM & STEE

Centershift Control Valve 2G8020
120G & 130G & 140G MOTOR GRADERS AIR SYSTEM & BRAKES

Tool Operating Manual

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}

Disassembly and Assembly

Centershift Lock Control Valve
12G, 14G, 16G, 120G, 130G & 140G MOTOR GRADERS OPERATOR'S ST

Centershift Lock Control Valve
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Hydraulic Control Valves
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Centershift Lock Control Valve
120G VEHICLE SYSTEMS

Control Valves
120G VEHICLE SYSTEMS

Service Magazine

Valve Assembly Used In Centershift Lock Control Group To Prevent Accidental Rotation And Lowering Of Blade{5220,5221,5223,6151}
1980/10/20

Valve Assembly And Nipple Moved From Centershift Lock Control Group To Brake Control Group To Prevent Unauthorized Operation{4282,4267,5220,5221,5223,6151}
1980/11/10

Identification Of Hydraulic Control Valves{5064,5051,5054,5214,5226,5220}
1981/04/13

Keep The Lever For The Centershift Lock Control Valve In the "Index And Run" Position To Prevent Air Leakage{5220}
1985/03/18

Oil Leakage From Implement Control Valve Can Be Caused By Wrong Adjustment{5051}
1977/03/07

Plastic Cover Changed To Prevent Contact With Hydraulic Control Valve Linkage{7301,5063}
1979/06/11

Spring Removed From Relay Valve On Scraper Brake Control Group{4280}
1979/06/18

New Valve Guide Available{1104}
1995/12/25

The 6V-8633 Connector Has Changed {5057, 7553}
2005/11/28

VALVE GP-DRAIN

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

VALVE GP-FLUID SAMPLING

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

Special Instruction

Valve Installation for Scheduled Oil Sampling of Engine, Transmission, Hydraulics, and Steering{1000, 7000, 7542, 7542}
Valve Installation for Scheduled Oil Sampling of Engine, Transmission, Hydraulics, and Steering{1000, 7000, 7542, 7542}

Contamination Control Guidelines

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}
2004/07/05

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

VALVE GP-RELIEF

Special Instruction

Specifications

Relief Valve (9J794 & 9J5147) (Part of 9J792 Combination Valve)
120G MOTOR GRADER HYDRAULIC SYSTEM AND STEERING

Relief Valve (3G8437) (Part of 3G8438 Combination Valve)
120G MOTOR GRADER HYDRAULIC SYSTEM AND STEERING

Relief Valve For Steering
120G MOTOR GRADER HYDRAULIC SYSTEM AND STEERING

Relief Valve (4T1056)
"G" SERIES MOTOR GRADERS SUPPLEMENTAL STEERING SYSTEM

Crossover Relief Valve (Steering)
12G, 120G, 130G & 140G MOTOR GRADERS HYDRAULIC SYSTEM & STEE

Main Relief Valve
12G, 120G, 130G & 140G MOTOR GRADERS HYDRAULIC SYSTEM & STEE

Relief Valve 4T1056
"G" SERIES MOTOR GRADERS SUPPLEMENTAL STEERING SYSTEM

Tool Operating Manual

Repairing Line Relief Valve Seats in Hydraulic Control Valves Using the 229-3612 Hydraulic Valve Seat Repair Kit{0738, 5117}
Repairing Line Relief Valve Seats in Hydraulic Control Valves Using the 229-3612 Hydraulic Valve Seat Repair Kit{0738, 5117}

Disassembly and Assembly

Blade Lift Lock Check And Relief Valve
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Steering Relief Valve
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS

Blade Lift Lock Check And Relief Valve Blade Tip Lock Check Valve
120G VEHICLE SYSTEMS

Blade Lift Lock Check And Relief Valve And Lock Check Valves
120G VEHICLE SYSTEMS

Steering Relief Valve
120G VEHICLE SYSTEMS

Cooler Relief Valve
120G VEHICLE SYSTEMS

Service Magazine

New Cross-Over Steering Relief Valve Used{4322}
1980/01/28

Steering System Improvements Prevent Possible Damage To Steering Cylinder Sockets{4303,4304,4305,4322}
1979/08/27

Lock Valve Group With A Relief For Right Blade Lift Cylinder Is Available On Motor Graders{5102,5100}
1994/02/07

VALVE GP-SELECTOR

Improvements To Selector And Pressure Control Valve Group Give Operator Better Control When Manual Modulation Pedal Is Depressed (Pushed In){3167,3162,3157,3152}
1980/12/15

VALVE GP-SOLENOID

Specifications

Accumulator Solenoid Valve Group
12G, 120G, 130G & 140G MOTOR GRADERS HYDRAULIC SYSTEM & STEE

VALVE GP-UNLOADING

Service Magazine

Identification Of Hydraulic Control Valves{5064,5051,5054,5214,5226,5220}
1981/04/13

Oil Leakage From Implement Control Valve Can Be Caused By Wrong Adjustment{5051}
1977/03/07

Truck sale:

Caterpillar 120G
- motor graders
HOLT CAT

40,000

Caterpillar 120G, motor graders, Construction
- motor graders
ALTORFER INC.

18,210

Caterpillar H120GCS.CW40S, hammer, Construction
- hammer
BERGERAT MONNOYEUR S.A.S.

32,000

Caterpillar 120G, motor graders, Construction
- motor graders
FOLEY EQUIPMENT COMPANY

33,500

Caterpillar HH120GCS, hammer, Construction