HYDRAULIC SYSTEM
VALVE GP-PILOTVALVE GP-DIVERTER
VALVE GP-PRESSURE REDUCING
PUMP GP
VALVE GP-RELIEF
HYDRAULIC SYSTEM
VALVE GP-PILOT#SEBP26990550
173-2294: VALVE GP-PILOT
173-2294 VALVE GP-PILOT
S/N 9FS419-1317; 2KW419-518; 6SW419-875; 9NW419-UP
PART OF 158-2186, 158-2187 CONTROL GP-JOYSTICK
S/N 9FS419-1317; 2KW419-518; 6SW419-875; 9NW419-UP
PART OF 158-2186, 158-2187 CONTROL GP-JOYSTICK
Parts for your 312B L EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 162-7401 | [1] | PLATE | |
| 2. | 8U-9472 | [1] | JOINT | |
| 3. | 162-7403 | [1] | NUT | |
| 4. | 151-4523 | [1] | PLATE-SWITCH | |
| 5. | 162-7405 J | [1] | SCREW | |
| 6. | 151-4975 J | [1] | KIT-SEAL | |
| (INCLUDES 2 PINS, 3 O-RING SEALS & PART MARKED J) | ||||
| 7. | 185-7915 | [2] | KIT-PLUNGER | |
| (PORT 2,4) | ||||
| 8. | 185-7914 | [2] | KIT-PLUNGER | |
| (PORT 1,3) | ||||
| 9. | 185-7911 | [4] | SPRING | |
| J | KIT MARKED J SERVICES PART(S) MARKED J | |||
#SEBP26990551
207-5207: VALVE GP-PILOT
207-5207 VALVE GP-PILOT
S/N 9FS1318-UP; 2KW210-UP; 6SW876-UP; 9NW1-UP
PART OF 158-2186, 158-2187 CONTROL GP-JOYSTICK, 165-4379 VALVE GP-JOYSTICK
S/N 9FS1318-UP; 2KW210-UP; 6SW876-UP; 9NW1-UP
PART OF 158-2186, 158-2187 CONTROL GP-JOYSTICK, 165-4379 VALVE GP-JOYSTICK
Parts for your 312B L EXCAVATOR:
CATERPILLAR SIS#SEBP26990552
143-2390: VALVE GP-PILOT DIVERTER
143-2390 VALVE GP-PILOT DIVERTER
S/N 2KW1-UP; 9NW1-UP
PART OF 145-9842 LINES GP-PILOT
S/N 2KW1-UP; 9NW1-UP
PART OF 145-9842 LINES GP-PILOT
Parts for your 312B L EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 156-5364 | [1] | VALVE GP-PILOT (BLADE RAISE) | |
| 1A. | 156-5364 | [1] | VALVE GP-PILOT (BLADE LOWER) | |
| 2. | 165-4376 | [1] | VALVE GP-SOLENOID (BLADE FLOAT) | |
| 3. | 165-4377 | [2] | VALVE AS-SHUTTLE | |
| 4. | 165-4378 | [2] | PLUG-ORIFICE | |
| 5. | 151-5855 | [1] | VALVE GP-RELIEF (BLADE) | |
| 6. | 155-2274 | [1] | KIT-CONNECTING PLUG (6-PIN) | |
| (INCLUDES PLUG AS, WEDGE & INTERFACE SEAL) | ||||
#SEBP26990553
156-9506: VALVE GP-PRESSURE REDUCING
156-9506 VALVE GP-PRESSURE REDUCING -QUICK COUPLER
S/N 9FS1-UP; 2KW1-UP; 6SW1-UP; 9NW1-UP
PART OF 152-8862 VALVE GP-COUPLER
AN ATTACHMENT
S/N 9FS1-UP; 2KW1-UP; 6SW1-UP; 9NW1-UP
PART OF 152-8862 VALVE GP-COUPLER
AN ATTACHMENT
#SEBP26990554
129-7966: VALVE GP-PUMP CONTROL
129-7966 VALVE GP-PUMP CONTROL
S/N 9FS1-UP; 2KW1-UP; 6SW1-UP; 9NW1-UP
PART OF 121-1504 PUMP GP-MAIN HYDRAULIC
S/N 9FS1-UP; 2KW1-UP; 6SW1-UP; 9NW1-UP
PART OF 121-1504 PUMP GP-MAIN HYDRAULIC
Parts for your 312B L EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 3E-8025 M | [2] | BOLT-SOCKET HEAD (M8X1.25X50-MM) | |
| 2. | 5I-8787 | [1] | LEVER AS | |
| 3. | 5I-8815 | [1] | PIN | |
| 4. | 5I-8789 | [1] | PLUG AS | |
| 5. | 5I-8814 | [2] | RING-RETAINING | |
| 6. | 095-1579 | [2] | SEAL-O-RING | |
| 7. | 5I-8790 | [1] | PLUG | |
| 8. | 5I-8788 | [1] | LEVER AS | |
| 9. | 5I-8786 | [1] | LEVER AS | |
| 10. | 5I-8802 | [1] | COVER-PILOT | |
| 11. | 5I-8805 | [1] | RETAINER | |
| 12. | 5I-8820 M | [1] | SETSCREW (M8X20-MM) | |
| 13. | 5C-7261 M | [2] | NUT (M8X1.25-THD) | |
| 14. | 095-1585 | [1] | SEAL-O-RING | |
| 15. | 5I-8806 | [1] | SPRING-PILOT | |
| 16. | 5I-8804 | [1] | SEAT-SPRING | |
| 17. | 095-1709 | [1] | SEAL-O-RING | |
| 18. | 5I-8803 | [1] | PISTON-PILOT | |
| 19. | 095-1590 | [1] | SEAL-O-RING | |
| 20. | 095-1581 | [1] | SEAL-O-RING | |
| 21. | 129-7973 | [1] | SLEEVE | |
| 22. | 129-7974 | [1] | PIN | |
| 23. | 6V-8213 M | [2] | BOLT-SOCKET HEAD (M8X1.25X70-MM) | |
| 24. | 8T-0269 M | [6] | BOLT-SOCKET HEAD (M6X1X20-MM) | |
| 25. | 096-2323 | [1] | RING-RETAINING (EXTERNAL) | |
| 26. | 8T-8442 M | [2] | BOLT-SOCKET HEAD (M6X1X30-MM) | |
| 27. | 095-1578 | [1] | SEAL-O-RING | |
| 28. | 095-1575 | [10] | SEAL-O-RING | |
| 29. | 8T-6759 | [6] | PLUG-PIPE | |
| 30. | 7I-7479 | [1] | PLATE | |
| 31. | 1R-5396 M | [4] | BOLT (M6X1X35-MM) | |
| 32. | 5I-8811 | [1] | SPRING | |
| 33. | 095-1696 | [1] | SEAL-O-RING | |
| 34. | 5I-8809 | [1] | SEAT-SPRING | |
| 35. | 5I-8810 | [1] | SPRING-RETURN | |
| 36. | 5I-8813 | [1] | RING-RETAINING | |
| 37. | 5I-8807 | [1] | SLEEVE | |
| 38. | 5I-8808 | [1] | SPOOL | |
| 39. | 108-9128 | [1] | BODY AS | |
| 40. | 5I-8794 | [1] | SEAT-SPRING | |
| 41. | 5I-8799 | [1] | COVER | |
| 42. | 5I-8800 M | [1] | LOCKNUT (M30X1.5-THD) | |
| 43. | 5I-8798 | [1] | SCREW-ADJUSTMENT | |
| 44. | 5I-8821 M | [1] | SCREW-ADJUSTMENT | |
| 45. | 5I-8797 | [1] | RETAINER | |
| 46. | 095-1584 | [2] | SEAL-O-RING | |
| 47. | 095-1594 | [1] | SEAL-O-RING | |
| 48. | 095-1700 | [1] | SEAL-O-RING | |
| 49. | 129-7972 | [1] | SPRING | |
| 50. | 129-7971 | [1] | SPRING | |
| 51. | 5I-8793 | [1] | ROD-COMPENSATOR | |
| 52. | 5I-8791 | [1] | PISTON-COMPENSATOR | |
| 53. | 129-7970 | [1] | SLEEVE | |
| 54. | 095-1586 | [1] | SEAL-O-RING | |
| 55. | 095-1573 | [1] | SEAL-O-RING | |
| M | METRIC PART | |||
#SEBP26990555
129-7967: VALVE GP-PUMP CONTROL
129-7967 VALVE GP-PUMP CONTROL
S/N 9FS1-UP; 2KW1-UP; 6SW1-UP; 9NW1-UP
PART OF 121-1504 PUMP GP-MAIN HYDRAULIC
S/N 9FS1-UP; 2KW1-UP; 6SW1-UP; 9NW1-UP
PART OF 121-1504 PUMP GP-MAIN HYDRAULIC
Parts for your 312B L EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 3E-8025 M | [2] | BOLT-SOCKET HEAD (M8X1.25X50-MM) | |
| 2. | 5I-8787 | [1] | LEVER AS | |
| 3. | 5I-8815 | [1] | PIN | |
| 4. | 5I-8789 | [1] | PLUG AS | |
| 5. | 5I-8814 | [2] | RING-RETAINING | |
| 6. | 095-1579 | [2] | SEAL-O-RING | |
| 7. | 5I-8790 | [1] | PLUG | |
| 8. | 5I-8788 | [1] | LEVER AS | |
| 9. | 5I-8786 | [1] | LEVER AS | |
| 10. | 5I-8802 | [1] | COVER-PILOT | |
| 11. | 5I-8805 | [1] | RETAINER | |
| 12. | 5I-8820 M | [1] | SETSCREW (M8X20-MM) | |
| 13. | 5C-7261 M | [2] | NUT (M8X1.25-THD) | |
| 14. | 095-1585 | [1] | SEAL-O-RING | |
| 15. | 5I-8806 | [1] | SPRING-PILOT | |
| 16. | 5I-8804 | [1] | SEAT-SPRING | |
| 17. | 095-1709 | [1] | SEAL-O-RING | |
| 18. | 5I-8803 | [1] | PISTON-PILOT | |
| 19. | 095-1590 | [1] | SEAL-O-RING | |
| 20. | 095-1581 | [1] | SEAL-O-RING | |
| 21. | 6V-8213 M | [2] | BOLT-SOCKET HEAD (M8X1.25X70-MM) | |
| 22. | 8T-0269 M | [10] | BOLT-SOCKET HEAD (M6X1X20-MM) | |
| 23. | 096-2323 | [1] | RING-RETAINING (EXTERNAL) | |
| 24. | 8T-8442 M | [2] | BOLT-SOCKET HEAD (M6X1X30-MM) | |
| 25. | 095-1578 | [1] | SEAL-O-RING | |
| 26. | 095-1575 | [9] | SEAL-O-RING | |
| 27. | 8T-6759 | [5] | PLUG-PIPE | |
| 28. | 5I-8812 | [1] | COVER-BLOCK | |
| 29. | 5I-8811 | [1] | SPRING | |
| 30. | 095-1696 | [1] | SEAL-O-RING | |
| 31. | 5I-8809 | [1] | SEAT-SPRING | |
| 32. | 5I-8810 | [1] | SPRING-RETURN | |
| 33. | 5I-8813 | [1] | RING-RETAINING | |
| 34. | 5I-8807 | [1] | SLEEVE | |
| 35. | 5I-8808 | [1] | SPOOL | |
| 36. | 108-9128 | [1] | BODY AS | |
| 37. | 5I-8794 | [1] | SEAT-SPRING | |
| 38. | 5I-8799 | [1] | COVER | |
| 39. | 5I-8800 M | [1] | LOCKNUT (M30X1.5-THD) | |
| 40. | 5I-8798 | [1] | SCREW-ADJUSTMENT | |
| 41. | 5I-8821 M | [1] | SCREW-ADJUSTMENT | |
| 42. | 5I-8797 | [1] | RETAINER | |
| 43. | 095-1584 | [2] | SEAL-O-RING | |
| 44. | 095-1594 | [1] | SEAL-O-RING | |
| 45. | 095-1700 | [1] | SEAL-O-RING | |
| 46. | 129-7972 | [1] | SPRING | |
| 47. | 129-7971 | [1] | SPRING | |
| 48. | 5I-8793 | [1] | ROD-COMPENSATOR | |
| 49. | 5I-8791 | [1] | PISTON-COMPENSATOR | |
| 50. | 129-7970 | [1] | SLEEVE | |
| 51. | 095-1586 | [1] | SEAL-O-RING | |
| 52. | 129-7973 | [1] | SLEEVE | |
| 53. | 129-7974 | [1] | PIN | |
| 54. | 095-1573 | [1] | SEAL-O-RING | |
| M | METRIC PART | |||
#SEBP26990556
119-5186: VALVE GP-RELIEF
119-5186 VALVE GP-RELIEF
S/N 9FS1-UP; 2KW1-UP; 6SW1-UP; 9NW1-UP
PART OF 139-6021, 142-2944, 155-9947, 155-9950, 190-5277, 192-6253 LINES GP-FRONT, 121-1385 VALVE GP-MAIN CONTROL
ALSO AN ATTACHMENT
S/N 9FS1-UP; 2KW1-UP; 6SW1-UP; 9NW1-UP
PART OF 139-6021, 142-2944, 155-9947, 155-9950, 190-5277, 192-6253 LINES GP-FRONT, 121-1385 VALVE GP-MAIN CONTROL
ALSO AN ATTACHMENT
Parts for your 312B L EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 095-1575 | [1] | SEAL-O-RING | |
| 2. | 7I-8090 | [1] | SEAT | |
| 3. | 7I-8091 | [1] | SETSCREW | |
| 4. | 6V-8821 M | [1] | NUT (M14X1.5-THD) | |
| 5. | 095-1591 | [1] | SEAL-O-RING | |
| 6. | 095-1592 | [1] | SEAL-O-RING | |
| 7. | 7I-8082 | [1] | SPRING | |
| 8. | 095-8024 | [1] | RING-BACKUP | |
| 9. | 095-1514 | [1] | SEAL-O-RING | |
| 10. | 7I-8081 | [1] | SPRING | |
| 11. | 095-1519 | [1] | SEAL-O-RING | |
| 12. | 095-1783 | [1] | RING-BACKUP | |
| 13. | 7I-8087 | [1] | SPRING | |
| M | METRIC PART | |||
#SEBP26990557
123-2586: VALVE GP-RELIEF
123-2586 VALVE GP-RELIEF
S/N 9FS1-UP; 2KW1-UP; 6SW1-UP; 9NW1-UP
PART OF 121-1385 VALVE GP-MAIN CONTROL
S/N 9FS1-UP; 2KW1-UP; 6SW1-UP; 9NW1-UP
PART OF 121-1385 VALVE GP-MAIN CONTROL
Parts for your 312B L EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 095-1575 | [1] | SEAL-O-RING | |
| 2. | [1] | STOP | ||
| 3. | M | [1] | SETSCREW (M14X1.5X34-MM) | |
| 4. | 6V-8821 M | [1] | NUT (M14X1.5-THD) | |
| 5. | M | [1] | NUT (M24X1.5-THD) | |
| 6. | 095-1584 | [1] | SEAL-O-RING | |
| 7. | [1] | SPACER | ||
| 8. | [1] | RING | ||
| 9. | 7I-8081 | [1] | SPRING | |
| 10. | 7I-8082 | [1] | SPRING | |
| 11. | 095-1519 | [1] | SEAL-O-RING | |
| 12. | 095-1783 | [1] | RING-BACKUP | |
| 13. | 095-1582 | [1] | SEAL-O-RING | |
| 14. | 7I-8087 | [1] | SPRING | |
| 15. | 095-1593 | [1] | SEAL-O-RING | |
| M | METRIC PART | |||
#SEBP26990558
141-8055: VALVE GP-RELIEF
141-8055 VALVE GP-RELIEF
S/N 9FS1-UP; 2KW1-UP; 6SW1-UP; 9NW1-UP
PART OF 131-3449 VALVE GP-LOWERING CONTROL
AN ATTACHMENT
S/N 9FS1-UP; 2KW1-UP; 6SW1-UP; 9NW1-UP
PART OF 131-3449 VALVE GP-LOWERING CONTROL
AN ATTACHMENT
Parts for your 312B L EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| (INDIVIDUAL PARTS ARE NOT SERVICED SEPARATELY) | ||||
#SEBP26990559
158-6842: VALVE GP-RELIEF
158-6842 VALVE GP-RELIEF
S/N 9FS1-UP; 2KW1-UP; 6SW1-UP; 9NW1-UP
PART OF 144-2554 VALVE GP-AUXILIARY, 153-1224 VALVE GP-DIVERTER
AN ATTACHMENT
S/N 9FS1-UP; 2KW1-UP; 6SW1-UP; 9NW1-UP
PART OF 144-2554 VALVE GP-AUXILIARY, 153-1224 VALVE GP-DIVERTER
AN ATTACHMENT
Information:
HYDRAULIC SYSTEM
VALVE GP-PILOT
Service Letter-CSARL
A Spacer Needs To Be Added To The Joystick Control Valves On Certain 312B Excavators
A Spacer Needs To Be Added To The Joystick Control Valves On Certain 312B Excavators
A Spacer Needs To Be Added To The Joystick Control Valves On Certain 312B Excavators
Disassembly and Assembly
Service Magazine
Caterpillar Parts SIS Catalog 312B L :
Truck sale:
CATERPILLAR 312BL 1998
- TRACK EXCAVATORS
TOROMONT
For All your Used Equipment Needs - in Ontario, Manitoba, Newfoundlan
- TRACK EXCAVATORS
TOROMONT
For All your Used Equipment Needs - in Ontario, Manitoba, Newfoundlan


