HYDRAULIC SYSTEM
PUMP GPVALVE GP-CONTROL
VALVE GP
VALVE GP-BANK
COOLING SYSTEM
VALVE GP-COOLER BYPASSHYDRAULIC SYSTEM
PUMP GP#SEBP16260520
3T-8359: PUMP GP-GEAR
Parts for your D8N TRACK-TYPE TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 3T-8922 | [1] | COVER AS-OIL PUMP | |
| 1M-3780 | [1] | BEARING | ||
| 2. | 1A-5183 | [1] | BOLT | |
| 3. | 2D-8009 | [2] | SEAL-O-RING | |
| 4. | 9M-2210 | [1] | BODY AS-OIL PUMP | |
| 5. | 3S-0004 | [6] | WASHER | |
| 6. | 3T-8926 | [1] | COVER AS-OIL PUMP | |
| 1M-3780 | [1] | BEARING | ||
| 1H-0974 | [2] | DOWEL | ||
| 7. | 3T-8927 | [1] | GEAR AS-PUMP | |
| 8. | 9M-8281 | [1] | GEAR AS-PUMP | |
| 9. | 5S-6622 | [1] | SEAL-LIP | |
| 10. | 9S-4191 | [1] | PLUG-O-RING | |
| 11. | 3J-1907 | [1] | SEAL-O-RING | |
| 12. | 0L-1143 | [5] | BOLT |
#SEBP16260521
7T-4154: PUMP GP-GEAR-WINCH
7T4154 PUMP GP-GEAR-WINCH
ONE SECTION
3T8359-PAGE 227
PART OF 7T4150, 6Y4279 INSTALLATION ARS-WINCH. AN ATTACHMENT
ONE SECTION
3T8359-PAGE 227
PART OF 7T4150, 6Y4279 INSTALLATION ARS-WINCH. AN ATTACHMENT
#SEBP16260522
9T-6063: VALVE GP-CONTROL
9T6063 VALVE GP-CONTROL-PART 1 OF 2
4T1860-PAGE 234, 9T5560-PAGE 237
PART OF 9T1775 & 9T1776 VALVES
4T1860-PAGE 234, 9T5560-PAGE 237
PART OF 9T1775 & 9T1776 VALVES
Parts for your D8N TRACK-TYPE TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 1A-9579 | [2] | BOLT | |
| 2. | 9M-1974 | [4] | WASHER | |
| 3. | 4T-1850 | [1] | HOUSING | |
| 4. | 9S-8002 | [1] | PLUG-O-RING | |
| 3J-7354 | [1] | SEAL-O-RING | ||
| 5. | 1A-5183 | [1] | BOLT | |
| 6. | 9T-5560 Y | [1] | VALVE GP-PILOT | |
| 7. | 4B-0831 | [2] | BOLT | |
| 8. | 4T-1860 Y | [1] | VALVE GP-SHUTTLE | |
| 9. | 8T-7212 C | [3] | SEAL | |
| 10. | 8T-7298 C | [1] | SEAL-FACE | |
| 11. | 6V-5555 | [3] | SEAL | |
| 12. | 5M-2894 | [2] | WASHER | |
| 13. | 7F-3425 | [1] | BOLT | |
| C | CHANGE FROM PREVIOUS TYPE | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP16260523
9T-6063: VALVE GP-CONTROL
9T6063 VALVE GP-CONTROL-PART 2 OF 2
4T999-PAGE 235.01
PART OF 9T1775 & 9T1776 VALVES
4T999-PAGE 235.01
PART OF 9T1775 & 9T1776 VALVES
Parts for your D8N TRACK-TYPE TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 1N-5999 | [1] | PLUG | |
| 7J-0204 | [1] | SEAL-O-RING | ||
| 2. | 8T-7238 C | [1] | SEAL-FACE | |
| 3. | 2S-2596 | [3] | SPRING | |
| 4. | 4T-2045 | PLUG AS | ||
| 4T-0987 | [1] | BEARING-SLEEVE | ||
| 5. | 7M-8485 | [1] | SEAL-O-RING | |
| 6. | 4T-0990 | [3] | VALVE | |
| 7. | 9T-1780 | [1] | VALVE GP | |
| 8. | 2L-1352 | [1] | BOLT | |
| 9. | 9T-3100 | [1] | PLUG | |
| 2M-9780 | [1] | SEAL-O-RING | ||
| 10. | 6L-9716 | [1] | PLUG-PIPE | |
| 11. | 7J-9933 | [2] | SEAL-O-RING | |
| 12. | 4T-5073 | [2] | RING-BACK-UP | |
| 13. | 4T-2044 | [2] | BODY AS | |
| (EACH INCLUDES) | ||||
| 4T-0987 | [1] | BEARING-SLEEVE | ||
| 14. | 9S-8001 | [2] | PLUG-O-RING | |
| 4J-7533 | [2] | SEAL-O-RING | ||
| 15. | 4T-0993 | [2] | RETAINER | |
| 16. | 4T-1021 | [2] | RETAINER | |
| 17. | 4T-0999 Y | [1] | LEVER GP-CONTROL VALVE | |
| 18. | 9T-6316 C | [1] | SPRING | |
| C | CHANGE FROM PREVIOUS TYPE | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP16260524
9T-5979: VALVE GP-CONTROL
9T5979 VALVE GP-CONTROL-PART 1 OF 2
STEERING
4T0999-PAGE 235.01
PART OF 9T5980 & 9T5981 VALVES
STEERING
4T0999-PAGE 235.01
PART OF 9T5980 & 9T5981 VALVES
Parts for your D8N TRACK-TYPE TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 1N-5999 | [1] | PLUG | |
| 7J-0204 | [1] | SEAL-O-RING | ||
| 2. | 2D-0598 | [1] | SEAL-O-RING | |
| 3. | 2S-2596 | [3] | SPRING | |
| 4. | 4K-1388 | [2] | SEAL-O-RING | |
| 5. | 7M-8485 | [1] | SEAL-O-RING | |
| 6. | 4T-0990 | [3] | VALVE | |
| 7. | 9T-1780 | [1] | VALVE GP (STEERING) | |
| 8. | 6L-9716 | [1] | PLUG-PIPE | |
| 9. | [1] | PLUG | ||
| 10. | 4T-0999 Y | [1] | LEVER GP-CONTROL VALVE | |
| 11. | 7J-9933 | [2] | SEAL-O-RING | |
| 12. | 4T-5073 | [2] | RING-BACK-UP | |
| 13. | 9T-6316 | [1] | SPRING | |
| 14. | 9S-8001 | [2] | PLUG-O-RING | |
| 4J-7533 | [2] | SEAL-O-RING | ||
| 15. | 4T-0993 | [2] | RETAINER | |
| 16. | 4T-1021 | [2] | RETAINER | |
| 17. | 4T-2045 | [1] | PLUG AS | |
| 18. | 4T-0987 | [1] | BEARING-SLEEVE | |
| 19. | 4T-2044 | [2] | BODY AS | |
| (EACH INCLUDES) | ||||
| 20. | 4T-0987 | [1] | BEARING-SLEEVE | |
| Y | SEPARATE ILLUSTRATION | |||
#SEBP16260525
9T-5979: VALVE GP-CONTROL
9T5979 VALVE GP-CONTROL-PART 2 OF 2
STEERING
4T1860-PAGE 234, 9T6109-PAGE 237.01
PART OF 9T5980 & 9T5981 VALVES
STEERING
4T1860-PAGE 234, 9T6109-PAGE 237.01
PART OF 9T5980 & 9T5981 VALVES
Parts for your D8N TRACK-TYPE TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 1A-9579 | [2] | BOLT | |
| 2. | 9M-1974 | [4] | WASHER | |
| 3. | 4T-1850 | [1] | HOUSING | |
| 4. | 9S-8002 | [1] | PLUG-O-RING | |
| 3J-7354 | [1] | SEAL-O-RING | ||
| 5. | 1A-5964 | [1] | BOLT | |
| 6. | 9T-6109 Y | [1] | VALVE GP-PILOT | |
| 7. | 4B-0831 | [2] | BOLT | |
| 8. | 4T-1860 Y | [1] | VALVE GP-SHUTTLE | |
| 9. | 4J-0522 | [3] | SEAL | |
| 10. | 4J-8997 | [1] | SEAL | |
| 11. | 6V-5555 | [3] | SEAL | |
| 12. | 5F-4899 | [1] | BOLT | |
| 13. | 5M-2894 | [2] | WASHER | |
| Y | SEPARATE ILLUSTRATION | |||
#SEBP16260526
9T-1776: VALVE GP
9T1776 VALVE GP
STEERING, DOZER TILT & LIFT
S/N 9TC1-1175
9T6063-PAGE 228, 9T1787-PAGE 231, 9T1788-PAGE 232
9T1430-PAGE 234 & 9T1783-PAGE 238
STEERING, DOZER TILT & LIFT
S/N 9TC1-1175
9T6063-PAGE 228, 9T1787-PAGE 231, 9T1788-PAGE 232
9T1430-PAGE 234 & 9T1783-PAGE 238
Parts for your D8N TRACK-TYPE TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 4T-1031 | [1] | COVER | |
| 2. | 1F-7958 | [6] | NUT-FULL | |
| 3. | 5P-8245 | [6] | WASHER | |
| 4. | 4T-1073 | [3] | ROD | |
| 5. | 8J-9990 | [1] | PLUG-ORIFICE | |
| 6. | 9T-6063 CY | [1] | VALVE GP-CONTROL (STEERING) | |
| 7. | 9T-1788 Y | [1] | VALVE GP-CONTROL (DOZER LIFT) | |
| 8. | 9T-1783 Y | [1] | VALVE GP-CONTROL (DOZER TILT) | |
| 9. | 9S-8002 | [5] | PLUG-O-RING | |
| 10. | 3J-7354 | [5] | SEAL-O-RING | |
| 11. | 3J-1907 | [1] | SEAL | |
| 12. | 4B-4158 | [1] | SCREW | |
| 13. | 4J-0522 | [3] | SEAL ID | |
| 14. | 6V-5555 | [3] | SEAL ID | |
| 15. | 1P-3702 | [1] | SEAL-RECTANGULAR ID | |
| 16. | 4F-7952 | [1] | SEAL-O-RING | |
| 17. | 5P-1893 | [4] | BOLT-12 POINT HEAD | |
| 18. | 9T-1787 Y | [1] | VALVE GP-COOLER BYPASS (RELIEF) | |
| 19. | 4T-7407 | [1] | MANIFOLD-INLET | |
| 9T-1430 Y | [1] | VALVE GP-PITCH RELIEF | ||
| C | CHANGE FROM PREVIOUS TYPE | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP16260527
9T-5981: VALVE GP-BANK
9T5981 VALVE GP
STEERING, DOZER TILT & LIFT
TYPE 1. S/N 9TC1176-UP
9T1783-PAGE 238, 9T1787-PAGE 231, 9T1788-PAGE 232,
9T1430-PAGE 234 & 9T5979-PAGE 229.01
STEERING, DOZER TILT & LIFT
TYPE 1. S/N 9TC1176-UP
9T1783-PAGE 238, 9T1787-PAGE 231, 9T1788-PAGE 232,
9T1430-PAGE 234 & 9T5979-PAGE 229.01
Parts for your D8N TRACK-TYPE TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 4T-1031 | [1] | COVER | |
| 2. | 1F-7958 | [6] | NUT-FULL | |
| 3. | 5P-8245 | [6] | WASHER | |
| 4. | 4T-1073 | [3] | ROD | |
| 5. | 8J-9990 | [1] | PLUG-ORIFICE | |
| 6. | 9T-5979 Y | [1] | VALVE GP-CONTROL (STEERING) | |
| 7. | 9T-1788 Y | [1] | VALVE GP-CONTROL (DOZER LIFT) | |
| 8. | 9T-1783 Y | [1] | VALVE GP-CONTROL (DOZER TILT) | |
| 9. | 9S-8002 | [5] | PLUG-O-RING | |
| 10. | 3J-7354 | [5] | SEAL-O-RING | |
| 11. | 3J-1907 | [1] | SEAL | |
| 12. | 9T-1430 Y | [1] | VALVE GP-PITCH RELIEF | |
| 13. | 8T-7212 | [3] | SEAL 37.69MM(1.485IN) ID | |
| 14. | 6V-5555 | [3] | SEAL 7.52MM(.296IN) ID | |
| 15. | 1P-3702 | [1] | SEAL-RECTANGULAR 28.83MM(1.136IN) ID | |
| 16. | 8T-7320 | [1] | SEAL | |
| 17. | 5P-1893 | [4] | BOLT-12 POINT HEAD | |
| 18. | 9T-1787 Y | [1] | VALVE GP-COOLER BYPASS (RELIEF) | |
| 19. | 4T-7407 | [1] | MANIFOLD-INLET | |
| Y | SEPARATE ILLUSTRATION | |||
#SEBP16260528
9T-5981: VALVE GP-BANK
9T5981 VALVE GP
STEERING, DOZER TILT & LIFT
TYPE 2. S/N 9TC1176-UP
9T1783-PAGE 238, 9T1787-PAGE 231, 9T1788-PAGE 232,
9T3541-PAGE 235 & 9T5979-PAGE 229.01
STEERING, DOZER TILT & LIFT
TYPE 2. S/N 9TC1176-UP
9T1783-PAGE 238, 9T1787-PAGE 231, 9T1788-PAGE 232,
9T3541-PAGE 235 & 9T5979-PAGE 229.01
Parts for your D8N TRACK-TYPE TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 4T-1031 | [1] | COVER | |
| 2. | 1F-7958 | [6] | NUT-FULL | |
| 3. | 5P-8245 | [6] | WASHER | |
| 4. | 4T-1073 | [3] | ROD | |
| 5. | 8J-9990 | [1] | PLUG-ORIFICE | |
| 6. | 9T-5979 Y | [1] | VALVE GP-CONTROL | |
| (steering) | ||||
| 7. | 9T-1788 Y | [1] | VALVE GP-CONTROL (DOZER LIFT) | |
| 8. | 9T-1783 Y | [1] | VALVE GP-CONTROL (DOZER TILT) | |
| 9. | 9S-8002 | [5] | PLUG-O-RING | |
| 10. | 3J-7354 | [5] | SEAL-O-RING | |
| 11. | 3J-1907 | [1] | SEAL | |
| 12. | 9T-3541 CY | [1] | VALVE GP-RELIEF | |
| 13. | 4J-0522 | [3] | SEAL (37.69MM ID) | |
| 14. | 6V-5555 | [3] | SEAL (7.52MM ID) | |
| 15. | 1P-3702 | [1] | SEAL-RECTANGULAR | |
| (28.83MM ID) | ||||
| 16. | 4F-7952 | [1] | SEAL-O-RING | |
| 17. | 5B-5059 | [2] | BOLT | |
| 18. | 9T-1787 Y | [1] | VALVE GP-COOLER BYPASS | |
| (RELIEF) | ||||
| 19. | 4T-7407 | [1] | MANIFOLD-INLET | |
| 20. | 1P-4578 | [2] | FLANGE | |
| 21. | 5P-8244 | [4] | WASHER | |
| 22. | 3H-5368 | [2] | BOLT | |
| C | CHANGE FROM PREVIOUS TYPE | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP16260529
9T-1787: VALVE GP-COOLER BYPASS
Parts for your D8N TRACK-TYPE TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 9T-7678 C | [1] | COVER | |
| 2. | 8D-7815 | [2] | SCREW-BUTTON HEAD | |
| 3. | 9T-2800 | [1] | BODY | |
| 4. | 6V-9746 | [1] | SEAL-O-RING | |
| 5. | 9T-7677 C | [1] | RETAINER | |
| 6. | 9T-3005 | [1] | SPRING | |
| 7. | 7D-9749 C | [1] | SEAL-O-RING | |
| 8. | 6V-8629 | [1] | ELBOW-FACE SEAL | |
| 9. | 2M-9780 | [2] | SEAL-O-RING | |
| 10. | 9S-8006 | [1] | PLUG-O-RING | |
| 11. | 9T-3004 | [1] | VALVE | |
| C | CHANGE FROM PREVIOUS TYPE | |||
Information:
HYDRAULIC SYSTEM
PUMP GP
Tool Operating Manual
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4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
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Service Magazine




