HYDRAULIC SYSTEM
PUMP GPMOTOR GP
PUMP GP
HYDRAULIC SYSTEM
PUMP GP#M00662460270
389-8423: PUMP GP-PISTON
389-8423 PUMP GP-PISTON -FIXED DISPLACEMENT, 50-CC
S/N 5131-UP
PART OF 379-6603 PUMP & MTG GP-VIBRATORY
AN ATTACHMENT
S/N 5131-UP
PART OF 379-6603 PUMP & MTG GP-VIBRATORY
AN ATTACHMENT
Parts for your CS78B VIBRATORY COMPACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 112-4628 | [3] | SCREW (7/16-20X0.5-IN) | |
| 2. | 206-4881 | [2] | PLUG-ORIFICE | |
| 3. | 320-2377 Y | [1] | VALVE GP-PUMP CONTROL (VIBRATORY, FIXED DISPLACEMENT) | |
| 4. | 167-6805 | [2] | PIN | |
| 5. | 356-6896 Y | [1] | ROTATING GP-PUMP | |
| 6. | 6E-4350 | [1] | PIN | |
| 7. | 356-6899 Y | [1] | HEAD GP-PUMP | |
| 8. | 112-4629 | [2] | SCREW (3/4-16X0.6-IN) | |
| 9. | 3K-0360 | [2] | SEAL-O-RING | |
| 10. | 9S-8004 | [1] | PLUG (9/16-18-THD) | |
| 11. | 3J-1907 | [1] | SEAL-O-RING | |
| 12. | 195-1747 Y | [1] | ACTUATOR GP-PUMP | |
| (ALSO INCLUDES PART MARKED "J" IN GRAPHIC) | ||||
| 13. | 6E-4240 M | [1] | NUT-SEALING (M10X1-THD) | |
| 14. | 1G-3180 | [1] | SCREW-ECCENTRIC | |
| 15. | 123-7574 | [2] | SCREW-LOCK | |
| 16. | 9T-3928 | [1] | PLUG AS | |
| 187-8001 | [1] | SEAL | ||
| 17. | 122-9718 | [1] | PIN | |
| 18. | 3J-7354 | [3] | SEAL-O-RING | |
| AVAILABLE REPAIR KIT(S): | ||||
| 308-9168 | [1] | KIT-SEAL | ||
| (INCLUDES SNAP RING, SHAFT SEAL, O-RING SEALS, RING ASSEMBLIES, NUTS, BACKUP RINGS, SEAL RING, SEALS & GASKETS) | ||||
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#M00662460271
389-8424: PUMP GP-PISTON
389-8424 PUMP GP-PISTON -VARIABLE DISPLACEMENT
S/N 5131-UP
PART OF 379-6607 PUMP & MTG GP-VIBRATORY
AN ATTACHMENT
S/N 5131-UP
PART OF 379-6607 PUMP & MTG GP-VIBRATORY
AN ATTACHMENT
Parts for your CS78B VIBRATORY COMPACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 112-4628 | [3] | SCREW (7/16-20X0.5-IN) | |
| 2. | 206-4881 | [2] | PLUG-ORIFICE | |
| 3. | 369-4720 Y | [1] | VALVE GP-PUMP CONTROL (PROPEL) | |
| 4. | 167-6805 | [2] | PIN | |
| 5. | 356-6896 Y | [1] | ROTATING GP-PUMP | |
| 6. | 6E-4350 | [1] | PIN | |
| 7. | 356-6899 Y | [1] | HEAD GP-PUMP | |
| 8. | 112-4629 | [2] | SCREW (3/4-16X0.6-IN) | |
| 9. | 3K-0360 | [2] | SEAL-O-RING | |
| 10. | 9S-8004 | [1] | PLUG (9/16-18-THD) | |
| 11. | 3J-1907 | [1] | SEAL-O-RING | |
| 12. | 177-6949 Y | [1] | ACTUATOR GP-PUMP | |
| (ALSO INCLUDES PART MARKED "J" IN GRAPHIC) | ||||
| 13. | 6E-4240 M | [1] | NUT-SEALING (M10X1-THD) | |
| 14. | 1G-3180 | [1] | SCREW-ECCENTRIC | |
| 15. | 123-7574 | [2] | SCREW-LOCK | |
| 16. | 9T-3928 | [1] | PLUG AS | |
| 187-8001 | [1] | SEAL | ||
| 17. | 122-9718 | [1] | PIN | |
| 18. | 3J-7354 | [3] | SEAL-O-RING | |
| AVAILABLE REPAIR KIT(S): | ||||
| 308-9168 | [1] | KIT-SEAL | ||
| (INCLUDES SNAP RING, SHAFT SEAL, O-RING SEALS, RING ASSEMBLIES, NUTS, BACKUP RINGS, SEAL RING, SEALS & GASKETS) | ||||
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#M00662460272
458-7912: PUMP GP-PISTON
Parts for your CS78B VIBRATORY COMPACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 382-9228 Y | [2] | VALVE GP-PUMP CONTROL (AXLE PROPEL PUMP) | |
| 2. | 419-9186 Y | [2] | ACTUATOR GP-PUMP | |
| 3. | 382-9246 | [1] | VALVE GP-SHUTTLE | |
| 4. | 4H-6520 | [2] | SEAL-O-RING | |
| 5. | 101-7404 M | [16] | BOLT-SOCKET HEAD (M10X1.5X30-MM) | |
| 6. | 382-9224 Y | [1] | ROTATING GP-PUMP (AXLE PROPEL) | |
| 7. | 199-2136 | [4] | PIN | |
| 8. | 123-7574 | [4] | SCREW-LOCK | |
| 9. | 9S-8004 | [12] | PLUG (9/16-18-THD) | |
| 10. | 233-5621 | [4] | VALVE GP-RELIEF | |
| (EACH INCLUDES) | ||||
| 6V-5326 | SEAL-O-RING | |||
| 112-4719 | [1] | RING-BACKUP | ||
| 11. | 112-4627 | [1] | SCREW-LOCK | |
| 12. | 9T-9529 | [2] | PIN | |
| 13. | 382-9259 | [7] | FILTER (SCREEN) | |
| 14. | 382-9247 | [1] | COIL GP-SOLENOID (AXLE PROPEL PUMP) | |
| 382-9272 | [1] | COIL GP-SOLENOID (AXLE PROPEL PUMP) | ||
| 033-6043 | [1] | SEAL-O-RING | ||
| 217-3875 | [1] | SEAL-O-RING | ||
| 15. | 382-9244 | [1] | VALVE GP-RELIEF (CHARGE) | |
| 6V-5326 | [1] | SEAL-O-RING | ||
| 16. | 4M-0189 | [1] | SEAL-O-RING | |
| 17. | 351-1768 | [1] | SEAL-O-RING | |
| 18. | 382-9257 | [2] | BUSHING-BEARING | |
| 19. | 382-9258 | [2] | BUSHING | |
| 20. | 221-0069 M | [1] | NUT (M14X1.5-THD) | |
| 21. | 382-9251 M | [1] | SCREW-ECCENTRIC (M14X1.5X60-MM) | |
| 22. | 382-9256 | [4] | RING-GUIDE | |
| 23. | 382-9255 | [4] | KIT-SEAL | |
| (EACH INCLUDES) | ||||
| 8T-7000 | [1] | SEAL | ||
| (EACH SEAL KIT INCLUDES CARRIER SEAL) | ||||
| 24. | 6R-7579 | [2] | PIN | |
| 25. | 112-4629 | [1] | SCREW (3/4-16X0.6-IN) | |
| 26. | 458-7913 | [1] | VALVE GP-RELIEF (PUMP HEAD, CROSSOVER) | |
| 8U-6850 | [1] | SEAL-O-RING | ||
| 258-0144 | [1] | LOCKNUT-SCREW | ||
| 27. | 8T-1159 M | [8] | BOLT-SOCKET HEAD (M10X1.5X25-MM) | |
| 28. | 382-9225 Y | [1] | ROTATING GP-PUMP (PROPEL) | |
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#M00662460273
137-4581: ROTATING GP-MOTOR
137-4581 ROTATING GP-MOTOR
S/N 5131-UP
PART OF 313-7040, 378-9277 ROTATING GP-MOTOR
S/N 5131-UP
PART OF 313-7040, 378-9277 ROTATING GP-MOTOR
Parts for your CS78B VIBRATORY COMPACTOR:
CATERPILLAR SIS#M00662460274
313-7040: ROTATING GP-MOTOR
Parts for your CS78B VIBRATORY COMPACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 137-4581 Y | [1] | ROTATING GP-MOTOR | |
| 2. | 547-7684 | [1] | SHAFT-DRIVE | |
| 3. | 234-2872 B | [1] | SHIM (3.90-MM THK) | |
| 141-0235 B | [1] | SHIM (2.65-MM THK) | ||
| 141-0236 B | [1] | SHIM (2.7-MM THK) | ||
| 141-0237 B | [1] | SHIM (2.75-MM THK) | ||
| 141-0238 B | [1] | SHIM (2.8-MM THK) | ||
| 141-0239 B | [1] | SHIM (2.85-MM THK) | ||
| 141-0240 B | [1] | SHIM (2.9-MM THK) | ||
| 141-0241 B | [1] | SHIM (2.95-MM THK) | ||
| 141-0242 B | [1] | SHIM (3-MM THK) | ||
| 4. | 141-0244 | [1] | BEARING AS | |
| 5. | 133-8929 | [1] | BEARING AS | |
| 6. | 8T-4241 | [1] | RING-RETAINING | |
| B | USE AS REQUIRED | |||
| Y | SEPARATE ILLUSTRATION | |||
#M00662460275
369-4726: ROTATING GP-MOTOR
#M00662460276
378-9277: ROTATING GP-MOTOR
Parts for your CS78B VIBRATORY COMPACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 8T-4241 | [1] | RING-RETAINING | |
| 2. | 141-0244 | [1] | BEARING AS | |
| 3. | 133-8929 | [1] | BEARING AS | |
| 4. | 137-4581 Y | [1] | ROTATING GP-MOTOR (PROPEL) | |
| 5. | 234-2872 | [1] | SHIM (3.90-MM THK) | |
| 6. | 141-0235 B | [1] | SHIM (2.65-MM THK) | |
| 7. | 141-0236 B | [1] | SHIM (2.7-MM THK) | |
| 8. | 141-0237 B | [1] | SHIM (2.75-MM THK) | |
| 9. | 141-0238 B | [1] | SHIM (2.8-MM THK) | |
| 10. | 141-0239 B | [1] | SHIM (2.85-MM THK) | |
| 11. | 141-0240 B | [1] | SHIM (2.9-MM THK) | |
| 12. | 141-0241 B | [1] | SHIM (2.95-MM THK) | |
| 13. | 141-0242 B | [1] | SHIM (3-MM THK) | |
| PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY | ||||
| B | USE AS REQUIRED | |||
| Y | SEPARATE ILLUSTRATION | |||
#M00662460277
356-6896: ROTATING GP-PUMP
356-6896 ROTATING GP-PUMP
S/N 5131-UP
PART OF 389-8423, 389-8424 PUMP GP-PISTON
AN ATTACHMENT
S/N 5131-UP
PART OF 389-8423, 389-8424 PUMP GP-PISTON
AN ATTACHMENT
Parts for your CS78B VIBRATORY COMPACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 212-4483 | [1] | RING-RETAINING | |
| 2. | 194-1983 | [1] | SEAL-SHAFT | |
| 3. | 126-9587 | [1] | RING-RETAINING | |
| 4. | 117-7251 | [1] | BEARING | |
| 5. | 108-3565 | [1] | CLIP | |
| 6. | 251-1752 | [1] | ROTATING GP-PUMP | |
| (INCLUDES SNAP RING, SHIMS, SPRING, SPRING SET, RETAINER, RETAINER PLATE, PISTON & CYLINDER) | ||||
| 7. | 251-1803 | [1] | PLATE-CONTROL | |
#M00662460278
382-9224: ROTATING GP-PUMP
Parts for your CS78B VIBRATORY COMPACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 142-9439 | [1] | BEARING AS | |
| 2. | 382-9239 | [1] | LINER-BEARING | |
| 3. | 382-9236 | [1] | PLATE-CONTROL | |
| 4. | 382-9233 | [1] | BARREL GP-PUMP (PISTON PUMP) | |
| 4A. | 382-9241 | [1] | BEARING-SPHERICAL | |
| 4B. | 8C-3312 | [1] | RING-RETAINING | |
| 5. | 382-9240 | [1] | BEARING-CRADLE | |
| 6. | 6V-5201 | [1] | RING-RETAINING | |
| 7. | 382-9234 | [1] | KIT-SEAL (PISTON PUMP) | |
| (INCLUDES RETAINER RING & SHAFT SEAL) | ||||
#M00662460279
382-9225: ROTATING GP-PUMP
Parts for your CS78B VIBRATORY COMPACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 159-9854 | [1] | RING-RETAINING | |
| 2. | 142-9439 | [1] | BEARING AS | |
| 3. | 382-9239 | [1] | LINER-BEARING | |
| 4. | 6V-5201 | [1] | RING-RETAINING | |
| 5. | 382-9242 | [1] | PLATE-CONTROL | |
| 6. | 382-9233 | [1] | BARREL GP-PUMP | |
| 6A. | 382-9241 | [1] | BEARING-SPHERICAL | |
| 6B. | 8C-3312 | [1] | RING-RETAINING | |
| 7. | 382-9240 | [1] | BEARING-CRADLE |
Information:
HYDRAULIC SYSTEM
PUMP GP
Special Instruction
Specifications
Pump Mounting (Axle Propel and Drum Propel)
CS74B, CP74B and CS78B VIBRATORY SOIL COMPACTOR Propel System
CS74B, CP74B and CS78B VIBRATORY SOIL COMPACTOR Propel System
Piston Pump (Axle Propel and Drum Propel)
CS74B, CP74B and CS78B VIBRATORY SOIL COMPACTOR Propel System
CS74B, CP74B and CS78B VIBRATORY SOIL COMPACTOR Propel System
Systems Operation
Hydraulic Schematic (Propel System)
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
Propel System Components
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
General Information (Fan Drive Hydraulic System)
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Location of Components (Fan Drive Hydraulic System)
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
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 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}
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}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
Testing and Adjusting
Relief Valve (Charge) - Test and Adjust
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
Relief Valve (Main, Vibratory) - Test and Adjust
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Piston Pump Neutral (Vibratory) - Test and Adjust
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Gear Pump Flow (Cooling Fan) - Test
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Relief Valve (Main, Axle Propel Pump) - Test and Adjust
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
Relief Valve (Main, Drum Propel Pump) - Test and Adjust
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
Piston Pump Neutral (Mechanical) - Test and Adjust
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
Pump Control (Electrical Proportional Control) Neutral (Axle Propel) - Test and Adjust
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
Pump Control (Electrical Proportional Control) Neutral (Drum Propel) - Test and Adjust
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
Pump Synchronization - Test and Adjust
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
CP74B, CS74B, CS76B, CS78B and CS79B Vibratory Soil Compactors Propel System
Gear Pump Flow (Steering) - Test
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Relief Valve (Steering) - Test
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
CP74B, CS74B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Bench Test Procedures
Bench Test Procedure for Hydraulic Piston Pumps {5070}
Bench Test Procedure for Hydraulic Piston Pumps {5070}
Bench Test Procedure for Hydraulic Piston Pumps {5070}
Bench Test Procedure for Hydraulic Piston Pumps {0738, 5050, 5070}
Bench Test Procedure for Hydraulic Piston Pumps {0738, 5050, 5070}
Bench Test Procedure for Hydraulic Piston Pumps {0738, 5050, 5070}
Bench Test Procedure for Hydraulic Piston Pumps {5070}
Bench Test Procedure for Hydraulic Piston Pumps {5070}
Bench Test Procedure for Hydraulic Piston Pumps {5070}
Disassembly and Assembly
Gear Pump (Steering, Hydraulic Fan) - Remove and Install
CP74B, CS74B, CP76B, CS76B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
CP74B, CS74B, CP76B, CS76B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Piston Pump (Vibratory) - Remove and Install
CP74B, CS74B, CP76B, CS76B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
CP74B, CS74B, CP76B, CS76B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Piston Pump (Propel, Vibratory) - Remove and Install
CP74B, CS74B, CP76B, CS76B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
CP74B, CS74B, CP76B, CS76B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Gear Pump (Steering, Hydraulic Fan) - Disassemble
CP74B, CS74B, CP76B, CS76B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
CP74B, CS74B, CP76B, CS76B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Gear Pump (Steering, Hydraulic Fan) - Assemble
CP74B, CS74B, CP76B, CS76B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
CP74B, CS74B, CP76B, CS76B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Piston Pump (Propel) - Disassemble
CP74B, CS74B, CP76B, CS76B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
CP74B, CS74B, CP76B, CS76B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Piston Pump (Propel) - Assemble
CP74B, CS74B, CP76B, CS76B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
CP74B, CS74B, CP76B, CS76B, CS78B and CS79B Vibratory Soil Compactors Machine Systems
Caterpillar Parts SIS Catalog CS78B :
Truck sale:
Caterpillar CS 78 B, Construction
- Single drum rollers
CATERPILLAR INTERNATIONAL SERVICES DEL PERU S.A.
Peru
- Single drum rollers
CATERPILLAR INTERNATIONAL SERVICES DEL PERU S.A.
Peru
109,658



