HYDRAULIC SYSTEM
VALVE GP-CHECKVALVE GP-COMBINATION
VALVE GP
VALVE GP-MANIFOLD
PUMP GP
HYDRAULIC SYSTEM
VALVE GP-CHECK#SEBP60040510
9T-2133: VALVE GP-CHECK
9T-2133 VALVE GP-CHECK
S/N EAZ1-UP
BAIL
PART OF 319-5248, 524-1514 VALVE GP-PUSH-PULL CONTROL
AN ATTACHMENT
S/N EAZ1-UP
BAIL
PART OF 319-5248, 524-1514 VALVE GP-PUSH-PULL CONTROL
AN ATTACHMENT
#SEBP60040511
326-4648: VALVE GP-COMBINATION
326-4648 VALVE GP-COMBINATION -BRAKE, DIFF LOCK, HYD FAN
S/N EAZ1-UP
PART OF 310-5527 VALVE & MTG GP-HYDRAULIC
S/N EAZ1-UP
PART OF 310-5527 VALVE & MTG GP-HYDRAULIC
Parts for your 621H WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 340-1771 H | [1] | VALVE GP-PRIORITY (BRAKE) | |
| 2. | 340-1772 J | [1] | VALVE GP-COMPENSATING (HYDRAULIC FAN) | |
| 3. | 340-1766 L | [1] | VALVE GP-RELIEF (BRAKE ACCUMULATOR CHARGE) | |
| 4. | 340-1774 N | [1] | VALVE GP-DIVERTER (DIFFERENTIAL LOCK) | |
| 5. | 340-1775 P | [1] | VALVE GP-PRESSURE REDUCING (DIFFERENTIAL LOCK) | |
| 6. | 340-1776 T | [1] | VALVE GP-PRESSURE REDUCING (BRAKE) | |
| 7. | 340-1777 U | [2] | VALVE GP-CHECK | |
| 8. | 368-2114 | [1] | VALVE GP-RELIEF | |
| 2M-9780 | [1] | SEAL-O-RING | ||
| 4K-2039 | [1] | SEAL-O-RING | ||
| 9. | 338-0511 Y | [1] | VALVE GP-SOLENOID (24-VDC)(HYDRAULIC FAN) | |
| 10. | 241-5889 S | [1] | VALVE GP-SHUTTLE (BRAKE PUMP) | |
| 11. | 251-3268 Y | [1] | VALVE GP-SOLENOID (24-VOLT)(BRAKE ACCUMULATOR CHARGE) | |
| 12. | 302-8161 U | [1] | VALVE GP-CHECK (BRAKE ACCUMULATOR PRESSURE) | |
| 8M-8997 | [1] | SEAL-O-RING | ||
| 13. | 333-8242 | [1] | VALVE GP-SOLENOID (24-VOLT)(DIFFERENTIAL LOCK) | |
| 384-8750 | [1] | COIL AS (24-VOLT) | ||
| 14. | 459-3778 | [1] | VALVE GP-SOLENOID (PARKING BRAKE RELEASE) | |
| 254-0072 | [1] | COIL AS (24-VOLT) | ||
| 285-5622 | [1] | KIT-SEAL (SOLENOID VALVE) | ||
| (INCLUDES SEALS) | ||||
| 15. | 283-3462 | [1] | SCREEN (HYDRAULIC OIL) | |
| 16. | 9S-8005 | [2] | PLUG (3/4-16-THD) | |
| 17. | 3K-0360 | [2] | SEAL-O-RING | |
| 18. | 9S-8004 | [16] | PLUG (9/16-18-THD) | |
| 19. | 3J-1907 | [16] | SEAL-O-RING | |
| 20. | 9S-8002 | [1] | PLUG (7/16-20-THD) | |
| 21. | 3J-7354 | [1] | SEAL-O-RING | |
| 22. | 9S-8001 | [32] | PLUG | |
| 23. | 4J-7533 | [32] | SEAL-O-RING | |
| 24. | 348-3583 | [1] | PLUG-ORIFICE | |
| 25. | 461-4105 | [1] | PLUG-ORIFICE | |
| AVAILABLE REPAIR KIT(S): | ||||
| 237-8260 H | [1] | KIT-SEAL | ||
| (INCLUDES RINGS) | ||||
| 227-5511 J | [1] | KIT-SEAL | ||
| (INCLUDES SEALS & RINGS) | ||||
| 333-9152 L | [1] | KIT-SEAL | ||
| (INCLUDES RINGS) | ||||
| 166-0321 N | [1] | KIT-SEAL (CONTROL VALVE) | ||
| (INCLUDES SEALS & RINGS) | ||||
| 141-0889 P | [1] | KIT-SEAL | ||
| (INCLUDES SEALS & RINGS) | ||||
| 264-5726 T | [1] | KIT-SEAL | ||
| (INCLUDES SEALS & RINGS) | ||||
| 159-9038 U | [1] | KIT-VALVE SEAL (CHECK VALVE) | ||
| (INCLUDES SEALS & RINGS) | ||||
| 272-6538 S | [1] | KIT-SEAL (BRAKE PUMP) | ||
| (INCLUDES SEALS & RINGS) | ||||
| H | KIT MARKED H SERVICES PART(S) MARKED H | |||
| J | KIT MARKED J SERVICES PART(S) MARKED J | |||
| L | KIT MARKED L SERVICES PART(S) MARKED L | |||
| N | KIT MARKED N SERVICED PARTS MARKED N | |||
| P | KIT MARKED P SERVICES PART(S) MARKED P | |||
| S | KIT MARKED S SERVICES PART(S) MARKED S | |||
| T | KIT MARKED T SERVICES PART(S) MARKED T | |||
| U | KIT MARKED U SERVICES PART(S) MARKED U | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP60040512
248-1348: VALVE GP-CONTROL
Parts for your 621H WHEEL TRACTOR:
CATERPILLAR SIS#SEBP60040513
325-1808: VALVE GP-CONTROL
325-1808 VALVE GP-CONTROL -SCRAPER BOWL
S/N EAZ1-UP
PART OF 325-1796 VALVE GP-BANK 4
S/N EAZ1-UP
PART OF 325-1796 VALVE GP-BANK 4
Parts for your 621H WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 1T-0936 | [1] | PLUG-ORIFICE | |
| 2. | 2W-1776 | [1] | SPRING | |
| 4. | 265-5277 | [1] | PLUG GP | |
| 3D-2824 | [1] | SEAL-O-RING | ||
| 6M-5062 | [1] | SEAL-O-RING | ||
| 9T-7692 | [1] | RING | ||
| 265-5276 | [1] | PLUG | ||
| 5. | 9W-7783 | [1] | PLUG | |
| 6. | 148-2557 | [1] | PLUG | |
| 7. | 148-9359 | [2] | PLUG | |
| 10. | 240-1863 | [2] | SPRING | |
| 11. | 240-1865 | [2] | SPRING | |
| 12. | 240-1866 | [2] | RETAINER-SPRING | |
| 13. | 240-1867 | [2] | PLUG-RETAINER | |
| 14. | 240-6016 | [1] | PLUG-RETAINER | |
| 15. | 240-6017 | [1] | SPRING | |
| 16. | 260-8590 Y | [1] | VALVE GP-SHUTTLE | |
| 17. | 270-0350 Y | [1] | VALVE GP-CHECK (PILOT OIL) | |
| 18. | 272-1046 | [1] | VALVE GP-CHECK (LOAD) | |
| 276-5435 | [1] | KIT-SEAL (CHECK VALVE) | ||
| (INCLUDES RINGS) | ||||
| 19. | 313-7668 Y | [2] | VALVE GP-SOLENOID (24-VOLT) | |
| 23. | 183-7263 | [1] | PLUG AS | |
| 9S-8002 | [1] | PLUG (7/16-20-THD) | ||
| 3J-7354 | [1] | SEAL-O-RING | ||
| 24. | 222-4737 | [2] | PLUG AS | |
| (EACH INCLUDES) | ||||
| 9S-4180 | [1] | PLUG | ||
| 4J-7533 | [1] | SEAL-O-RING | ||
| 25. | 1P-3703 | [1] | SEAL-RECTANGULAR | |
| 26. | 4J-9535 | [4] | SEAL-O-RING | |
| 27. | 4K-1388 | [1] | SEAL-O-RING | |
| 28. | 5F-8000 | [1] | SEAL-O-RING | |
| 29. | 6J-3134 | [6] | SEAL-O-RING | |
| 30. | 7M-8485 | [2] | SEAL-O-RING | |
| 31. | 366-4695 | [1] | PLUG AS | |
| 3J-1907 | [1] | SEAL-O-RING | ||
| 360-3679 | [1] | PLUG-CONNECTOR (9/16-18-THD) | ||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP60040514
325-1809: VALVE GP-CONTROL
Parts for your 621H WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 2W-1776 | [1] | SPRING | |
| 2. | 096-3831 | [1] | ORIFICE | |
| 3. | 148-2557 | [1] | PLUG | |
| 4. | 148-9359 | [2] | PLUG | |
| 7. | 240-1863 | [2] | SPRING | |
| 8. | 240-1865 | [2] | SPRING | |
| 9. | 240-1866 | [2] | RETAINER-SPRING | |
| 10. | 240-1867 | [2] | PLUG-RETAINER | |
| 11. | 240-6016 | [1] | PLUG-RETAINER | |
| 12. | 240-6017 | [1] | SPRING | |
| 14. | 265-5277 | [2] | PLUG GP | |
| (EACH INCLUDES) | ||||
| 265-5276 | [1] | PLUG | ||
| 9T-7692 | [1] | RING | ||
| 3D-2824 | [1] | SEAL-O-RING | ||
| 6M-5062 | [1] | SEAL-O-RING | ||
| 15. | 313-7668 Y | [2] | VALVE GP-SOLENOID (24-VOLT)(PILOT PROPORTIONING) | |
| 19. | 162-0177 | [1] | PLUG AS | |
| 9S-8004 | [1] | PLUG (9/16-18-THD) | ||
| 3J-1907 | [1] | SEAL-O-RING | ||
| 20. | 183-7263 | [1] | PLUG AS | |
| 9S-8002 | [1] | PLUG (7/16-20-THD) | ||
| 3J-7354 | [1] | SEAL-O-RING | ||
| 21. | 222-4737 | [2] | PLUG AS | |
| (EACH INCLUDES) | ||||
| 9S-4180 | [1] | PLUG | ||
| 4J-7533 | [1] | SEAL-O-RING | ||
| 22. | 1P-3703 | [1] | SEAL-RECTANGULAR | |
| 24. | 4J-9535 | [2] | SEAL-O-RING | |
| 25. | 4K-1388 | [1] | SEAL-O-RING | |
| 26. | 5F-8000 | [1] | SEAL-O-RING | |
| 27. | 6J-3134 | [6] | SEAL-O-RING | |
| 28. | 7M-8485 | [2] | SEAL-O-RING | |
| PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY | ||||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP60040515
325-1811: VALVE GP-CONTROL
325-1811 VALVE GP-CONTROL -APRON CONTROLS
S/N EAZ1-UP
PART OF 325-1796 VALVE GP-BANK 4
S/N EAZ1-UP
PART OF 325-1796 VALVE GP-BANK 4
Parts for your 621H WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 2W-1776 | [1] | SPRING | |
| 3. | 096-3831 | [1] | ORIFICE | |
| 4. | 148-2557 | [1] | PLUG | |
| 5. | 148-9359 | [2] | PLUG | |
| 8. | 240-1863 | [2] | SPRING | |
| 9. | 240-1865 | [2] | SPRING | |
| 10. | 240-1866 | [2] | RETAINER-SPRING | |
| 11. | 240-1867 | [2] | PLUG-RETAINER | |
| 12. | 240-6016 | [1] | PLUG-RETAINER | |
| 13. | 240-6017 | [1] | SPRING | |
| 14. | 270-0352 Y | [1] | VALVE GP-RELIEF (PILOT OIL) | |
| 15. | 305-0025 Y | [1] | VALVE GP-RELIEF (IMPLEMENT PILOT OIL) | |
| 16. | 313-7668 Y | [2] | VALVE GP-SOLENOID (24-VOLT)(BUCKET LIFT, LOWER) | |
| 20. | 183-7263 | [1] | PLUG AS | |
| 9S-8002 | [1] | PLUG (7/16-20-THD) | ||
| 3J-7354 | [1] | SEAL-O-RING | ||
| 21. | 222-4737 | [2] | PLUG AS | |
| (EACH INCLUDES) | ||||
| 9S-4180 | [1] | PLUG | ||
| 4J-7533 | [1] | SEAL-O-RING | ||
| 22. | 1P-3703 | [1] | SEAL-RECTANGULAR | |
| 23. | 4J-9535 | [2] | SEAL-O-RING | |
| 24. | 4K-1388 | [1] | SEAL-O-RING | |
| 25. | 5F-8000 | [1] | SEAL-O-RING | |
| 26. | 6J-3134 | [5] | SEAL-O-RING | |
| 27. | 7M-8485 | [2] | SEAL-O-RING | |
| PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY | ||||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP60040516
338-3666: VALVE GP-CONTROL
338-3666 VALVE GP-CONTROL
S/N EAZ1-UP
CUSHION-HITCH
PART OF 310-5530 LINES GP-CUSHION-HITCH
S/N EAZ1-UP
CUSHION-HITCH
PART OF 310-5530 LINES GP-CUSHION-HITCH
Parts for your 621H WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 5S-4455 | [1] | RING-RETAINING | |
| 2. | 3G-8532 | [1] | COVER | |
| 3. | 5J-4698 | [1] | SPRING | |
| 4. | 5K-6698 | [1] | RING-RETAINING | |
| 5. | 6E-2577 | [1] | SPRING | |
| 7. | 6E-5010 J | [1] | VALVE GP-CHECK | |
| 8. | 8J-6815 | [1] | PLUG-ORIFICE | |
| 11. | 109-8040 | [1] | PLUG-ORIFICE | |
| 12. | 289-0401 | [2] | PLUG AS | |
| (EACH INCLUDES) | ||||
| 4B-9783 | [1] | BALL | ||
| 4J-1183 | [1] | SEAT-SPRING | ||
| 18. | 030-8535 | [1] | BOLT-LOCKING (3/8-16X0.875-IN) | |
| 19. | 113-3137 | [1] | SPACER (8.4X20.39X2-MM THK) | |
| 23. | 1P-4578 | [4] | FLANGE-HALF | |
| 24. | 207-8218 | [1] | PLUG AS | |
| 7J-0204 | [1] | SEAL-O-RING | ||
| 9S-8007 | [1] | PLUG | ||
| 25. | 2M-9780 | [1] | SEAL-O-RING | |
| 27. | 4J-0521 | [1] | SEAL-O-RING | |
| 28. | 4J-0525 | [2] | SEAL-O-RING | |
| 29. | 6V-8197 M | [2] | BOLT (M12X1.75X40-MM) | |
| 30. | 375-9141 | [1] | SEAL-LIP TYPE | |
| 31. | 6V-8638 | [1] | CONNECTOR | |
| 32. | 7F-8607 | [2] | SEAL-O-RING | |
| 33. | 2D-6392 | [1] | SEAL-O-RING | |
| 34. | 8C-3206 | [4] | FLANGE-HALF | |
| 35. | 8F-9538 | [1] | SEAL-O-RING | |
| 36. | 8M-7145 | [1] | WASHER (10.2X28.5X5-MM THK) | |
| 37. | 8T-4121 | [16] | WASHER-HARD (11X21X2.5-MM THK) | |
| 38. | 8T-4196 M | [16] | BOLT (M10X1.5X35-MM) | |
| 39. | 8T-4896 | [1] | WASHER-HARD (10.2X18.5X2.5-MM THK) | |
| 40. | 8T-4910 M | [4] | BOLT (M12X1.75X60-MM) | |
| 41. | [1] | VALVE GP-CONTROL | ||
| 42. | 479-2613 Y | [1] | MANIFOLD GP-CONTROL (CUSHION-HITCH) | |
| 43. | 6M-5062 | [1] | SEAL-O-RING | |
| AVAILABLE REPAIR KIT(S): | ||||
| 6E-4750 J | [1] | KIT-SEAL (CHECK VALVE) | ||
| J | KIT MARKED J SERVICES PART(S) MARKED J | |||
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP60040517
345-3829: VALVE GP-CONTROL
345-3829 VALVE GP-CONTROL -SCRAPER BOWL
S/N EAZ1-UP
PART OF 325-1796 VALVE GP-BANK 4
S/N EAZ1-UP
PART OF 325-1796 VALVE GP-BANK 4
Parts for your 621H WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 1T-0936 | [1] | PLUG-ORIFICE | |
| 2. | 1U-4596 Y | [1] | VALVE GP-RELIEF (IMPLEMENT PILOT OIL) | |
| 3. | 2W-1776 | [1] | SPRING | |
| 5. | 9W-7783 | [1] | PLUG | |
| 6. | 148-2557 | [1] | PLUG | |
| 7. | 148-9359 | [2] | PLUG | |
| 10. | 240-1863 | [2] | SPRING | |
| 11. | 240-1865 | [2] | SPRING | |
| 12. | 240-1866 | [2] | RETAINER-SPRING | |
| 13. | 240-1867 | [2] | PLUG-RETAINER | |
| 14. | 240-6016 | [1] | PLUG-RETAINER | |
| 15. | 240-6017 | [1] | SPRING | |
| 17. | 270-0350 Y | [1] | VALVE GP-CHECK (PILOT OIL) | |
| 18. | 272-1046 | [1] | VALVE GP-CHECK (LOAD) | |
| 276-5435 | [1] | KIT-SEAL (CHECK VALVE) | ||
| (INCLUDES RINGS) | ||||
| 19. | 313-7668 Y | [2] | VALVE GP-SOLENOID (24-VOLT)(PILOT PROPORTIONING) | |
| 23. | 183-7263 | [1] | PLUG AS | |
| 9S-8002 | [1] | PLUG (7/16-20-THD) | ||
| 3J-7354 | [1] | SEAL-O-RING | ||
| 24. | 222-4737 | [2] | PLUG AS | |
| (EACH INCLUDES) | ||||
| 9S-4180 | [1] | PLUG | ||
| 4J-7533 | [1] | SEAL-O-RING | ||
| 25. | 1P-3703 | [1] | SEAL-RECTANGULAR | |
| 26. | 4J-9535 | [2] | SEAL-O-RING | |
| 27. | 4K-1388 | [1] | SEAL-O-RING | |
| 28. | 5F-8000 | [1] | SEAL-O-RING | |
| 29. | 6J-3134 | [6] | SEAL-O-RING | |
| 30. | 7M-8485 | [2] | SEAL-O-RING | |
| PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY | ||||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP60040518
363-5985: VALVE GP-MANIFOLD & RELIEF
363-5985 VALVE GP-MANIFOLD & RELIEF
S/N EAZ1-UP
PART OF 325-1796 VALVE GP-BANK 4
S/N EAZ1-UP
PART OF 325-1796 VALVE GP-BANK 4
Parts for your 621H WHEEL TRACTOR:
CATERPILLAR SIS#SEBP60040519




