HYDRAULIC SYSTEM
SHAFT GPCYLINDER GP
OPERATOR STATION
CONTROL GP-STEERINGHYDRAULIC SYSTEM
FILTER GPVALVE GP-CONTROL
PUMP GP
TANK GP
HYDRAULIC SYSTEM
SHAFT GP
#UEG0231S0160
8D-2569: JOINT ASSEMBLY
8D2569 JOINT ASSEMBLY
Part of Hydraulic Steering Gear shown on Pages 78B and 78E
Only separate parts serviced. When complete
Assembly is required, order 7D6841
Part of Hydraulic Steering Gear shown on Pages 78B and 78E
Only separate parts serviced. When complete
Assembly is required, order 7D6841
For full view, you need register
Parts for your 120 MOTOR GRADER:
CATERPILLAR SIS#UEG0231S0161
4J-4115: CYLINDER GP-STEER
4J4115 STEERING CYLINDER GROUP--4" Bore x 6" Stroke
Serial No. 10R1 to 10R1022 inclusive and 22R1 to 22R847 inclusive
Part of Hydraulic Steering Gear shown on Page 78
Serial No. 10R1 to 10R1022 inclusive and 22R1 to 22R847 inclusive
Part of Hydraulic Steering Gear shown on Page 78
For full view, you need register
Parts for your 120 MOTOR GRADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 5J-7131 | [1] | PISTON | ||
| 5J-7154 | [1] | RING | ||
| 5J-4561 | [1] | NUT | ||
| 5J-5402 | [1] | SEAL ASSEM. | ||
| 4J-4116 | [1] | CYLINDER ASSEM. | ||
| 4B-3388 | [8] | BOLT | ||
| 3B-4505 | [8] | LOCKWASHER | ||
| 1H-5278 | [4] | FLANGE | ||
| 3D-6222 | [2] | BEARING | ||
| 3D-1123 | [1] | PACKING | ||
| 3D-6221 | [1] | HEAD | ||
| 3D-1145 C | [1] | RETAINER | ||
| 0S-1588 | [4] | BOLT | ||
| 3B-4506 | [4] | LOCKWASHER | ||
| 3D-6219 | [1] | ROD | ||
| 4J-4082 | [2] | BEARING | ||
| 4J-8979 | [1] | SEAL | ||
| 5F-6307 | [3] | SHIM | ||
| 0S-1625 | [4] | BOLT | ||
| 3B-4510 | [4] | LOCKWASHER | ||
| 2K-6830 | [1] | RING | ||
| 1H-8128 | [1] | SEAL | ||
| C | INDICATES CHANGE FROM PREVIOUS | |||
#UEG0231S0162
4J-4115: CYLINDER GP-STEER
4J4115 STEERING CYLINDER GROUP--4" Bore x 6" Stroke
Effective with Serial No. 10R1023-Up and 22R848-Up
Part of Hydraulic Steering Gear shown on Pages 78, 78C and 78F
Effective with Serial No. 10R1023-Up and 22R848-Up
Part of Hydraulic Steering Gear shown on Pages 78, 78C and 78F
For full view, you need register
Parts for your 120 MOTOR GRADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| [1] | PISTON | |||
| [1] | RING | |||
| [1] | NUT | |||
| [1] | SEAL ASSEM. | |||
| [1] | CYLINDER ASSEM. | |||
| [8] | BOLT | |||
| [8] | LOCKWASHER | |||
| [4] | FLANGE | |||
| [2] | BEARING | |||
| [1] | SEAL | |||
| [1] | HEAD | |||
| [1] | ROD | |||
| [2] | BEARING | |||
| [1] | SEAL | |||
| [1] | SEAL | |||
| [4] | BOLT | |||
| [4] | LOCKWASHER | |||
| [1] | RING | |||
| [1] | SEAL | |||
#UEG0231S0163
4D-7215: STEERING GEAR ASSEMBLY
4D7215 STEERING GEAR ASSEMBLY
Part of Hydraulic Steering Gear shown on Page 77
Part of Hydraulic Steering Gear shown on Page 77
For full view, you need register
Parts for your 120 MOTOR GRADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 8H-9585 | [2] | BEARING | ||
| 3K-6712 | [3] | WASHER | ||
| 3K-8900 | [1] | BOLT | ||
| 3K-8899 | [1] | WASHER | ||
| 4D-7859 | [2] | SPRING | ||
| 4D-7852 | [1] | HOUSING | ||
| 3K-8895 | [1] | ACTUATOR | ||
| 2B-7457 | [1] | PLUG | ||
| 4D-7865 | [2] | WASHER | ||
| 4D-7860 | [1] | LOCK | ||
| 2H-3776 | [1] | NUT | ||
| 4D-7869 | [1] | SEAL | ||
| (PART OF COVER ASSEM.6D4202) | ||||
| 4D-7847 | [1] | SHAFT ASSEM. | ||
| 3K-6710 | [1] | WASHER | ||
| 6D-1943 | [1] | BOOT | ||
| 6D-3973 | [1] | PLUG | ||
| 6D-4202 | [1] | COVER ASSEM. | ||
| 0T-0573 | [4] | BOLT | ||
| 3K-6706 | [2] | GASKET | ||
| 4D-7856 | [1] | GASKET | ||
| 4D-7850 Y | [1] | VALVE ASSEM. | ||
| (SEE SEPARATE ILLUSTRATION) | ||||
| 1D-4541 | [4] | BOLT | ||
| 4K-9890 | [4] | WASHER | ||
| 4L-9337 | [6] | BOLT | ||
| 5F-0548 | [14] | WASHER | ||
| 4D-7851 | [1] | COVER | ||
| 3K-3475 | [1] | NUT | ||
| 3K-3469 | [1] | WASHER | ||
| (PARTS OF BEARING ASSEM.6D4179) | ||||
| 4D-7858 | [1] | PLUG | ||
| 6D-4179 | [1] | BEARING ASSEM. | ||
| 4D-7841 | [1] | SCREW | ||
| (PARTS OF SHAFT ASSEM.4D7874) | ||||
| 0L-1013 | [1] | NUT | ||
| 4D-7840 | [1] | RETAINER | ||
| (PART OF SHAFT ASSEM.4D7874) | ||||
| 4K-7265 | [1] | GASKET | ||
| 4D-7877 | [2] | BUSHING | ||
| 4D-7849 | [1] | SEAL | ||
| (PARTS OF HOUSING ASSEM. 4D7876) | ||||
| 4D-7874 | [1] | SHAFT ASSEM. | ||
| 4D-7863 | [1] | COVER | ||
| 5M-3062 | [4] | BOLT | ||
| 4D-7855 | [1] | GASKET | ||
| 3K-6711 | [2] | BEARING | ||
| 3K-6701 | [2] | RING | ||
| (PARTS OF HOUSING ASSEM. 4D7876) | ||||
| 4D-7876 | [1] | HOUSING ASSEM. | ||
| Y | SEPARATE ILLUSTRATION | |||
#UEG0231S0164
2D-2150: FILTER GP
2D2150 FILTER GROUP
Part of Hydraulic Steering Gear shown on Page 76
Part of Hydraulic Steering Gear shown on Page 76
For full view, you need register
Parts for your 120 MOTOR GRADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 7H-3171 | [1] | PLUG | ||
| (PART OF 6J6974 HOUSING ASSEM.) | ||||
| 2D-2182 | [1] | PLUG | ||
| 5F-1678 | [1] | SEAL | ||
| 5F-5559 | [1] | SPRING | ||
| 1H-0337 | [1] | VALVE | ||
| 6J-6974 | [1] | HOUSING ASSEM. | ||
| 8B-5935 | [1] | ELEMENT | ||
| 2D-2181 | [1] | SEAT ASSEM. | ||
| 2D-2125 | [1] | SPRING | ||
| 2H-3928 | [1] | SEAL | ||
| 0S-1585 | [4] | BOLT | ||
| 3B-4508 | [4] | LOCKWASHER | ||
| 2D-2124 | [1] | BASE | ||
| 5F-1678 | [1] | SEAL | ||
| 2D-2182 | [1] | PLUG | ||
#UEG0231S0165
4D-7850: CONTROL VALVE ASSEMBLY
4D7850 CONTROL VALVE ASSEMBLY
Part of 4D7215 Steering Gear Assembly
Part of 4D7215 Steering Gear Assembly
For full view, you need register
Parts for your 120 MOTOR GRADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 5F-1678 | [1] | SEAL | ||
| 1S-4347 | [1] | COVER | ||
| 4D-7844 | [1] | GASKET | ||
| 4D-7871 | [1] | WASHER | ||
| 6D-3967 | [1] | BOLT | ||
| 6H-8351 | [1] | LOCKWASHER | ||
| 8H-3128 | [2] | SCREW | ||
| 1H-3244 | [2] | LOCKWASHER | ||
| 4D-7848 | [1] | PIN | ||
| 4D-7842 | [1] | LEVER | ||
| [1] | SPOOL ASSEM. | |||
| 4F-7391 H | [1] | SEAL | ||
| H | [1] | COVER | ||
| 3K-8890 H | [1] | SEAL | ||
| 3K-8889 H | [1] | RETAINER | ||
| 5F-1678 | [1] | SEAL | ||
| 8H-3128 | [2] | SCREW | ||
| 1H-3244 | [2] | LOCKWASHER | ||
| THE FOLLOWING REPAIR KIT IS AVAILABLE: | ||||
| 3K-8908 | [1] | KIT | ||
| (COVER AND SEAL - CONSISTS OF PARTS MARKED H) | ||||
| [1] | BODY AND SLEEVE ASSEM. | |||
#UEG0231S0166
4D-8215: TANK AND PUMP
TANK AND PUMP (4D8215 N/S)
Serial No. 10R1 to 10R2248 inclusive and 22R1 to 22R947 inclusive
Part of Hydraulic Steering Gear shown on Pages 76, 78A & 78D
5H4024 Tank & 4H442 Valve parts are shown on Pages 82B and 84
Serial No. 10R1 to 10R2248 inclusive and 22R1 to 22R947 inclusive
Part of Hydraulic Steering Gear shown on Pages 76, 78A & 78D
5H4024 Tank & 4H442 Valve parts are shown on Pages 82B and 84
For full view, you need register
Parts for your 120 MOTOR GRADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 0L-2070 | [2] | BOLT | ||
| 1D-4717 | [2] | NUT | ||
| 3B-4506 | [2] | LOCKWASHER | ||
| 5H-4024 Y | [1] | TANK GROUP | ||
| (SEE SEPARATE ILLUSTRATION) | ||||
| 2H-3931 | [1] | SEAL | ||
| 4D-4661 Y | [1] | PUMP ASSEM. | ||
| (SEE SEPARATE ILLUSTRATION) | ||||
| 5S-9201 | [1] | HOSE ASSEM. | ||
| 3S-8363 | [2] | STEM ASSEM. | ||
| 3S-7166 | [2] | SLEEVE | ||
| [1] | HOSE (8.20" LONG) | |||
| 5S-9203 | [1] | HOSE ASSEM. | ||
| 3S-8503 | [2] | STEM ASSEM. | ||
| 3S-7252 | [2] | SLEEVE | ||
| [1] | HOSE (11.80" LONG) | |||
| 8S-9191 | [4] | BOLT | ||
| 3B-4506 | [4] | LOCKWASHER | ||
| 2K-0190 | [2] | FLANGE | ||
| 5F-1678 | [1] | SEAL | ||
| 4H-0442 Y | [1] | VALVE ASSEM. | ||
| (SEE SEPARATE ILLUSTRATION) | ||||
| 5F-1678 | [1] | SEAL | ||
| 0S-1588 | [4] | BOLT | ||
| 3B-4506 | [4] | LOCKWASHER | ||
| 2K-0190 | [2] | FLANGE | ||
| 4F-7391 | [1] | SEAL | ||
| 1H-3305 | [2] | FLANGE | ||
| 0S-1588 | [4] | BOLT | ||
| 3B-4506 | [4] | LOCKWASHER | ||
| Y | SEPARATE ILLUSTRATION | |||
#UEG0231S0167
4D-4661: HYDRAULIC PUMP ASSEMBLY
4D4661 HYDRAULIC PUMP ASSEMBLY
Part of Tank and Pump
Part of Tank and Pump
For full view, you need register
Parts for your 120 MOTOR GRADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 3D-2353 | [1] | PLATE | ||
| 2D-0628 | [1] | RING | ||
| 2H-3931 | [2] | SEAL | ||
| 2D-0602 | [1] | COVER | ||
| 1A-5822 | [4] | BOLT | ||
| 7F-9987 | [1] | SPRING | ||
| 2D-0601 | [1] | ROTOR | ||
| 7F-9985 | [2] | PIN | ||
| 4H-4388 | [1] | KIT | ||
| (CONSISTS OF 12 VANES) | ||||
| 4D-1507 | [1] | BODY | ||
| 2J-6356 | [1] | RING | ||
| 4D-1508 | [1] | RETAINER | ||
| 4M-7668 | [1] | SEAL | ||
| 2D-0592 | [1] | RING | ||
| 4D-1509 | [1] | SHAFT | ||
| THE FOLLOWING REPAIR KIT IS AVAILABLE: | ||||
| 5J-7604 | [1] | KIT (CARTRIDGE) | ||
| 1H-9696 | [1] | SEAL | ||
| 1B-4106 | [1] | BEARING | ||
| 6B-0924 | [1] | BEARING | ||
#UEG0231S0168
4D-8215: TANK AND PUMP
TANK AND PUMP (4D8215 N/S)
Serial No. 10R2249-Up and 22R948-Up
Part of Hydraulic Steering Gear shown on Page 78F-1. 5H4024
Tank and 4H442 Valve parts are shown on Pages 82B, 83 & 84
Serial No. 10R2249-Up and 22R948-Up
Part of Hydraulic Steering Gear shown on Page 78F-1. 5H4024
Tank and 4H442 Valve parts are shown on Pages 82B, 83 & 84
For full view, you need register
Parts for your 120 MOTOR GRADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 0L-2070 | [2] | BOLT | ||
| 1D-4717 | [2] | NUT | ||
| 3B-4506 | [2] | LOCKWASHER | ||
| 5H-4024 Y | [1] | TANK GROUP | ||
| (See Separate Illustration) | ||||
| 2H-3931 | [1] | SEAL | ||
| 4D-4661 Y | [1] | PUMP ASSEM. | ||
| (See Separate Illustration) | ||||
| 5S-9201 | [1] | HOSE ASSEM. | ||
| 3S-8363 | [2] | STEM ASSEM. | ||
| 3S-7166 | [2] | SLEEVE | ||
| 9S-0247 H | HOSE 8.20" | |||
| (Angle Orientation 90 Degrees) | ||||
| 5S-9203 | [1] | HOSE ASSEM. | ||
| 3S-8503 | [2] | STEM ASSEM. | ||
| 3S-7252 | [2] | SLEEVE | ||
| 8S-9355 H | HOSE 11.80" | |||
| (Angle Orientation 15 Degrees) | ||||
| 8S-9191 | [4] | BOLT | ||
| 1P-4576 C | [2] | FLANGE | ||
| 5F-1678 | [1] | SEAL | ||
| 4H-0442 Y | [1] | VALVE ASSEM. | ||
| (See Separate Illustration) | ||||
| 4J-5267 C | [2] | SEAL | ||
| 0S-1588 | [4] | BOLT | ||
| 1P-4576 C | [2] | FLANGE | ||
| 4J-0520 C | [2] | SEAL | ||
| 1P-4577 C | [2] | FLANGE | ||
| 0S-1588 | [4] | BOLT | ||
| C | INDICATES CHANGE | |||
| Y | SEPARATE ILLUSTRATION | |||
| H | ORDER BY THE INCH | |||
#UEG0231S0169
5H-4024: STEERING GEAR TANK GROUP
5H4024 STEERING GEAR TANK GROUP
Serial No. 10R1 to 10R2281 inclusive and 22R1 to 22R949 inclusive
Part of Tank and Pump shown on Pages 82 and 82A
Refer also to Page 118 for special parts
Serial No. 10R1 to 10R2281 inclusive and 22R1 to 22R949 inclusive
Part of Tank and Pump shown on Pages 82 and 82A
Refer also to Page 118 for special parts
For full view, you need register
Parts for your 120 MOTOR GRADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 0S-1585 | [4] | BOLT | ||
| 3B-4508 | [4] | LOCKWASHER | ||
| 4B-5273 | [4] | WASHER | ||
| 1H-0566 | [1] | GASKET | ||
| 0T-0703 | [24] | BOLT | ||
| 1B-4203 | [24] | NUT | ||
| 3B-4506 | [24] | LOCKWASHER | ||
| 5H-0258 | [1] | COVER ASSEM. | ||
| 1J-7581 | [2] | NUT (WELD) | ||
| (PART OF COVER ASSEM. 5H258) | ||||
| 1H-0814 | [1] | STRAINER ASSEM. | ||
| 3B-4621 | [1] | COTTER PIN | ||
| 1H-9588 | [1] | CAP | ||
| 1H-9589 | [2] | GASKET | ||
| 1A-2029 | [4] | BOLT | ||
| 3B-4506 | [4] | LOCKWASHER | ||
| 2K-0190 | [2] | FLANGE | ||
| 5F-1678 | [1] | SEAL | ||
| 5H-0263 | [1] | BLOCK | ||
| 5H-0297 | [1] | BLOCK | ||
| (PARTS OF ASSEM. 5H258) | ||||
| 1H-3305 | [2] | FLANGE | ||
| 4F-7391 | [1] | RING | ||
| 1A-2029 | [4] | BOLT | ||
| 3B-4506 | [4] | LOCKWASHER | ||
| 5F-1678 | [1] | SEAL | ||
| 0S-1588 | [2] | BOLT | ||
| 3B-4506 | [2] | LOCKWASHER | ||
| 4H-3793 | [1] | PLUG | ||
| 5H-0254 | [1] | TANK ASSEM. | ||
Information:
HYDRAULIC SYSTEM
SHAFT GP
Disassembly and Assembly
Caterpillar Parts SIS Catalog 120 :
Truck sale:
Caterpillar LIFT TRUCKS EJE120E, Misc Forklifts, Material handling equipment
- Misc Forklifts
MADISA
- Misc Forklifts
MADISA