HYDRAULIC SYSTEM
PUMP GPHYDRAULIC SYSTEM
PUMP GP#SEBP72680560
420-9325: PUMP & MTG GP-ELEVATOR
Parts for your 621K OEM WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 526-3942 CJ | [1] | PUMP GP-GEAR (BRAKE COOLING) | |
| 095-0692 M | [4] | BOLT-SOCKET HEAD (M14X2X110-MM) | ||
| 271-2360 | [4] | WASHER-HARD (15X22X2.5-MM THK) | ||
| 2. | 332-2585 | [1] | COUPLING | |
| 3. | 332-2587 | [1] | COUPLING | |
| 4. | 336-8065 | [1] | COUPLING | |
| 5. | 376-5515 Y | [1] | PUMP GP-PISTON (IMPLEMENT) | |
| 6. | 389-6779 Y | [1] | PUMP GP-PISTON (BRAKE) | |
| 7. | 420-4444 Y | [1] | PUMP GP-PISTON (STEERING) | |
| 8. | 107-5769 | [1] | SEAL-O-RING | |
| 9. | 198-4778 | [6] | WASHER-HARD (13.5X30X12-MM THK) | |
| 10. | 198-4780 | [2] | WASHER-HARD (17.5X32X8-MM THK) | |
| 11. | 2D-6648 | [1] | RING-RETAINING | |
| 12. | 3D-8352 | [2] | RING-RETAINING | |
| 13. | 5F-3999 | [2] | SEAL-O-RING | |
| 14. | 7X-4804 | [1] | SEAL-O-RING | |
| 15. | 091-0081 C | [2] | SPACER (10.5X20X10-MM THK) | |
| 16. | 8T-4184 M | [2] | BOLT (M12X1.75X45-MM) | |
| 17. | 8T-4193 M | [2] | BOLT (M16X2X50-MM) | |
| 18. | 8T-4194 M | [4] | BOLT (M12X1.75X50-MM) | |
| 19. | 8T-4182 CM | [2] | BOLT (M10X1.5X45-MM) | |
| AVAILABLE REPAIR KIT(S): | ||||
| 512-6677 J | [1] | KIT-SEAL (GEAR PUMP) | ||
| (INCLUDES SEALS & RINGS) | ||||
| C | CHANGE FROM PREVIOUS TYPE | |||
| J | KIT MARKED J SERVICES PART(S) MARKED J | |||
| M | METRIC PART | |||
| R | REMANUFACTURED PART MAY BE AVAILABLE | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP72680561
329-8116: PUMP GP-PISTON
Parts for your 621K OEM WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 379-5191 | [1] | ROTATING GP-PUMP | |
| 2. | 333-7849 | [1] | PISTON-CONTROL | |
| 3. | 189-4720 | [1] | SEAL-SHAFT | |
| 4. | 379-5197 | [1] | SWASHPLATE | |
| 5. | 379-5162 | [1] | SHAFT-DRIVE | |
| 6. | 198-5351 | [1] | PLUG | |
| 7. | 8T-7525 | [1] | SEAL-O-RING | |
| 8. | 189-4716 | [1] | SHIM (2.5-MM THK) | |
| 9. | 333-7844 | [1] | RING | |
| 10. | 203-8609 | [1] | CUP-BEARING | |
| 11. | 105-3035 | [1] | CONE-BEARING | |
| 12. | 333-7845 | [1] | BEARING-CRADLE | |
| 13. | 333-7846 | [1] | BEARING-CRADLE | |
| 14. | 204-3334 | [1] | SEAL-O-RING | |
| 15. | 6R-7943 M | [2] | SCREW (M5X0.8X15-MM) | |
| 16. | 333-7850 | [1] | BEARING-TAPERED ROLLER | |
| 17. | 8T-9597 | [1] | RING-RETAINING | |
| 18. | 6V-8337 M | [4] | BOLT-SOCKET HEAD (M8X1.25X35-MM) | |
| 19. | 9S-8005 | [3] | PLUG (3/4-16-THD) | |
| 20. | 3K-0360 | [3] | SEAL-O-RING | |
| 21. | 112-4640 | [1] | PIN | |
| 22. | 379-5187 | [1] | SPRING | |
| 23. | 333-7840 | [1] | STOP | |
| 24. | 379-5186 | [1] | VALVE GP-PUMP CONTROL | |
| 8T-8442 M | [4] | BOLT-SOCKET HEAD (M6X1X30-MM) | ||
| 280-7870 | [1] | GASKET | ||
| 25. | 280-7870 | [1] | GASKET | |
| 26. | 8T-8442 M | [4] | BOLT-SOCKET HEAD (M6X1X30-MM) | |
| 27. | 333-7843 | [1] | SPRING | |
| 28. | 379-5188 | [1] | PLATE-VALVE | |
| M | METRIC PART | |||
#SEBP72680562
376-5515: PUMP GP-PISTON
376-5515 PUMP GP-PISTON -BRAKE, CUSHION-HITCH, HYD FAN
S/N WTE1-UP
PART OF 420-9325 PUMP & MTG GP-ELEVATOR
S/N WTE1-UP
PART OF 420-9325 PUMP & MTG GP-ELEVATOR
Parts for your 621K OEM WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 378-1111 | [1] | BEARING (TAPERED) | |
| 2. | 379-1823 | [1] | SHAFT-DRIVE | |
| 3. | 379-1815 | [1] | KIT-BEARING (SWASHPLATE) | |
| (INCLUDES BEARINGS & PINS) | ||||
| 4. | 379-1816 | [1] | SWASHPLATE | |
| 5. | 379-1827 | [1] | KIT-CYLINDER | |
| (INCLUDES RING, SPRINGS, CYLINDER BLOCK, PINS, GUIDE, RETAINER & PISTON AS.) | ||||
| 6. | 379-1825 | [2] | PIN-SLOTTED | |
| 7. | 379-1818 | [1] | PLATE-CONTROL | |
| 8. | 232-3587 | [1] | KIT-BEARING | |
| 9. | 379-1821 | [1] | KIT-PISTON | |
| (INCLUDES SLEEVE, SPRING & PISTON) | ||||
| 10. | 379-1817 | [1] | SPRING-BIAS | |
| 11. | 379-1819 | [1] | KIT-PISTON (SERVO) | |
| (INCLUDES PISTON & SLEEVE) | ||||
| 12. | 248-1348 Y | [1] | VALVE GP-CONTROL (PISTON PUMP) | |
| 13. | 1G-9187 J | [1] | SEAL-LIP TYPE | |
| 14. | 6L-8797 | [1] | RING-RETAINING | |
| 15. | 379-1826 | [1] | COUPLING | |
| 16. | 8T-3957 M | [4] | BOLT-SOCKET HEAD (M12X1.75X30-MM) | |
| 17. | 8T-0348 M | [4] | BOLT-SOCKET HEAD (M16X2X50-MM) | |
| 18. | 9S-8005 | [2] | PLUG (3/4-16-THD) | |
| 19. | 3K-0360 | [2] | SEAL-O-RING | |
| 20. | 533-0059 | [1] | ADAPTER | |
| PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY | ||||
| AVAILABLE REPAIR KIT(S): | ||||
| 379-1829 J | [1] | KIT-SEAL (PUMP GP) | ||
| (ALSO INCLUDES 0-RINGS, SEALS, SEALING NUTS & PLUG) | ||||
| J | KIT MARKED J SERVICES PART(S) MARKED J | |||
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP72680563
389-6779: PUMP GP-PISTON
389-6779 PUMP GP-PISTON -IMPLEMENTS
S/N WTE1-UP
PART OF 420-9325 PUMP & MTG GP-ELEVATOR
S/N WTE1-UP
PART OF 420-9325 PUMP & MTG GP-ELEVATOR
Parts for your 621K OEM WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 233-0065 | [1] | SHAFT-DRIVE | |
| 2. | 8C-3110 | [1] | RING-RETAINING | |
| 3. | 166-0344 | [1] | SEAL-SHAFT | |
| 4. | 188-6303 | [1] | SPRING | |
| 5. | 274-7452 | [1] | LINK-CONTROL | |
| 6. | 174-9994 | [1] | PISTON-CONTROL | |
| 7. | 198-5351 | [1] | PLUG | |
| 8. | 8T-7525 | [1] | SEAL-O-RING | |
| 9. | 9X-8979 | [1] | DOWEL | |
| 10. | 168-3504 | [1] | SEAL | |
| 11. | 120-4394 | [1] | PLUG-BREAK OFF | |
| 12. | 095-0670 M | [4] | BOLT (M12X1.75X45-MM) | |
| 13. | 346-9615 Y | [1] | VALVE GP-PUMP CONTROL (PRESSURE, FLOW COMPENSATOR) | |
| 14. | 127-9485 | [1] | SEAL-O-RING | |
| 15. | 356-1576 Y | [1] | ROTATING GP-PUMP (BRAKE, HYDRAULIC FAN) | |
| 16. | 312-8769 | [1] | SWASHPLATE | |
| 17. | 168-7869 | [2] | BEARING-CRADLE | |
| 18. | 185-0263 | [1] | BEARING | |
| 19. | 203-8609 | [1] | CUP-BEARING | |
| 20. | 105-3035 | [1] | CONE-BEARING | |
| 21. | 2M-9780 | [1] | SEAL-O-RING | |
| 22. | 9S-8006 | [1] | PLUG (7/8-14-THD) | |
| 23. | 148-1238 B | [1] | SHIM (3-MM THK) | |
| 24. | 153-2691 | [1] | RING-RETAINING | |
| 25. | 138-8173 | [1] | PLATE-VALVE | |
| 26. | 280-7870 | [1] | GASKET | |
| 27. | 3J-7354 | [1] | SEAL-O-RING | |
| 28. | 9S-8002 | [1] | PLUG (7/16-20-THD) | |
| 29. | 8T-8442 M | [4] | BOLT-SOCKET HEAD (M6X1X30-MM) | |
| B | USE AS REQUIRED | |||
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP72680564
420-4444: PUMP GP-PISTON
Parts for your 621K OEM WHEEL TRACTOR:
CATERPILLAR SIS#SEBP72680565
421-1146: PUMP GP-PISTON
Parts for your 621K OEM WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 389-1201 Y | [1] | ROTATING GP-PUMP (IMPLEMENT, STEERING)(IMPLEMENT) | |
| 2. | 133-8739 | [1] | SEAL-LIP TYPE | |
| 3. | 351-6131 | [2] | BEARING-CRADLE | |
| 4. | 399-5839 | [1] | SWASHPLATE | |
| 5. | 399-5840 | [1] | SHAFT-DRIVE | |
| 6. | 105-1638 | [1] | SPACER (30X38X3-MM THK) | |
| 7. | 105-3031 | [1] | CONE-BEARING | |
| 8. | 3B-2263 | [1] | CUP-BEARING | |
| 9. | 105-3032 | [1] | CONE-BEARING | |
| 10. | 105-3033 | [1] | CUP-BEARING | |
| 11. | 140-1739 | [1] | RING-RETAINING | |
| 12. | 6V-8201 M | [4] | BOLT-SOCKET HEAD (M16X2X45-MM) | |
| 13. | 304-0479 Y | [1] | VALVE GP-PUMP CONTROL (FLOW COMPENSATOR) | |
| 14. | 247-0478 | [1] | SPRING | |
| 15. | 399-5838 | [1] | PLATE-CONTROL | |
| 16. | 120-4394 | [3] | PLUG-BREAK OFF | |
| 17. | 168-3504 | [1] | SEAL | |
| 18. | 214-9203 | [1] | PLUG-ORIFICE | |
| 19. | 9X-8979 | [1] | DOWEL | |
| 20. | 379-5187 | [1] | SPRING | |
| 21. | 333-7840 | [1] | STOP | |
| 22. | 280-7870 | [1] | GASKET | |
| 23. | 3J-7354 | [1] | SEAL-O-RING | |
| 24. | 9S-8002 | [1] | PLUG (7/16-20-THD) | |
| 25. | 8T-8442 M | [4] | BOLT-SOCKET HEAD (M6X1X30-MM) | |
| 26. | 351-6085 | [1] | PISTON-CONTROL | |
| 27. | 374-6722 | [1] | PLUG-CONTROL | |
| 28. | 8T-7525 | [1] | SEAL-O-RING | |
| 29. | 264-2483 | [1] | COUPLER | |
| 30. | 247-2852 | [1] | STOP | |
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP72680566
356-1576: ROTATING GP-PUMP
Parts for your 621K OEM WHEEL TRACTOR:
CATERPILLAR SIS#SEBP72680567
389-1201: ROTATING GP-PUMP
#SEBP72680568
436-4708: ROTATING GP-PUMP
#SEBP72680569