HYDRAULIC SYSTEM
CYLINDER GPDRIVE GP
HYDRAULIC SYSTEM
CYLINDER GP#SEBP45790240
125-7895: CYLINDER GP-LIFT
125-7895 CYLINDER GP-LIFT
S/N EBL1-UP
95.25MM (3.75 IN) BORE X 718.5MM (29 IN) STROKE
PART OF 254-0140 LOADER AR
S/N EBL1-UP
95.25MM (3.75 IN) BORE X 718.5MM (29 IN) STROKE
PART OF 254-0140 LOADER AR
Parts for your 450E BACKHOE LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 125-7896 | [1] | CYLINDER AS | |
| 1A. | 9R-6514 | [1] | BUSHING | |
| 2. | 173-9683 M | [1] | BOLT (M30X3.5X90-MM) | |
| 3. | 3S-7023 | [1] | WASHER (34X57X6-MM THK) | |
| 4. | 8J-6245 | [1] | RING-WEAR | |
| 5. | 5J-8011 | [1] | SEAL AS | |
| 6. | 126-0239 | [1] | PISTON | |
| 7. | 8H-7521 | [1] | SEAL-O-RING | |
| 8. | 2Y-8973 | [1] | RING-BACKUP | |
| 9. | 112-5737 | [1] | HEAD | |
| 10. | 126-0240 | [1] | ROD AS | |
| 10A. | 9R-6514 | [1] | BUSHING | |
| 11. | 231-3538 | [1] | SEAL-WIPER | |
| 12. | 167-2307 | [1] | SEAL-U-CUP | |
| 13. | 167-2200 | [1] | SEAL AS | |
| 14. | 8T-4958 | [1] | RING-WEAR | |
| M | METRIC PART | |||
#SEBP45790241
226-5540: CYLINDER GP-MULTIPURPOSE BUKT
226-5540 CYLINDER GP-MULTIPURPOSE BUKT
S/N EBL1-UP
76-MM (2.99-IN) BORE X 262-MM (10.31-IN) STROKE
PART OF 272-1703 BUCKET GP-MULTIPURPOSE
AN ATTACHMENT
S/N EBL1-UP
76-MM (2.99-IN) BORE X 262-MM (10.31-IN) STROKE
PART OF 272-1703 BUCKET GP-MULTIPURPOSE
AN ATTACHMENT
Parts for your 450E BACKHOE LOADER:
CATERPILLAR SIS#SEBP45790242
270-7290: CYLINDER GP-STABILIZER
270-7290 CYLINDER GP-STABILIZER -LH
S/N EBL1-UP
115-MM (4.5-IN) BORE X 595-MM (23.4-IN) STROKE
PART OF 254-0170 HYDRAULIC AR
S/N EBL1-UP
115-MM (4.5-IN) BORE X 595-MM (23.4-IN) STROKE
PART OF 254-0170 HYDRAULIC AR
Parts for your 450E BACKHOE LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 352-3613 | [1] | PISTON | |
| 2. | 266-9976 | [1] | HEAD | |
| 3. | 279-6596 | [1] | CYLINDER AS | |
| 9R-0139 | [2] | BUSHING | ||
| 6V-8398 | [1] | SEAL-O-RING | ||
| 4. | 279-6599 | [1] | ROD AS | |
| 4A. | 311-8710 | [2] | BUSHING | |
| 5. | 146-0742 | [1] | RING-WEAR | |
| 6. | 146-0744 | [1] | RING-WEAR | |
| 7. | 167-2204 | [1] | SEAL AS-BUFFER | |
| 8. | 167-2314 | [1] | SEAL-U-CUP | |
| 9. | 175-7902 | [1] | SEAL-O-RING | |
| 10. | 1K-7095 | [1] | RING-BACKUP | |
| 11. | 227-1148 | [1] | SEAL-WIPER | |
| 12. | 146-0743 | [1] | SEAL-PISTON | |
| 13. | 2H-3928 | [1] | SEAL-O-RING | |
| 14. | 5J-5731 | [1] | LOCKNUT (1-3/4-12-THD) |
#SEBP45790243
270-7291: CYLINDER GP-STABILIZER
270-7291 CYLINDER GP-STABILIZER -RH
S/N EBL1-UP
115-MM (4.5-IN) BORE X 595-MM (23.4-IN) STROKE
PART OF 254-0170 HYDRAULIC AR
S/N EBL1-UP
115-MM (4.5-IN) BORE X 595-MM (23.4-IN) STROKE
PART OF 254-0170 HYDRAULIC AR
Parts for your 450E BACKHOE LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 352-3613 | [1] | PISTON | |
| 2. | 266-9976 | [1] | HEAD | |
| 3. | 279-6599 | [1] | ROD AS | |
| 3A. | 311-8710 | [2] | BUSHING | |
| 4. | 279-6602 | [1] | CYLINDER AS | |
| 4A. | 9R-0139 | [2] | BUSHING | |
| 6V-8398 | [1] | SEAL-O-RING | ||
| 5. | 146-0742 J | [1] | RING-WEAR | |
| 6. | 146-0744 J | [1] | RING-WEAR | |
| 7. | 167-2204 J | [1] | SEAL AS-BUFFER | |
| 8. | 167-2314 J | [1] | SEAL-U-CUP | |
| 9. | 175-7902 J | [1] | SEAL-O-RING | |
| 10. | 1K-7095 J | [1] | RING-BACKUP | |
| 11. | 227-1148 J | [1] | SEAL-WIPER | |
| 12. | 146-0743 | [1] | SEAL-PISTON | |
| 13. | 2H-3928 J | [1] | SEAL-O-RING | |
| 14. | 5J-5731 | [1] | LOCKNUT (1-3/4-12-THD) | |
| AVAILABLE REPAIR KIT(S): | ||||
| 324-7165 J | [1] | KIT-SEAL (STABILIZER) | ||
| (ALSO INCLUDES SEAL AS) | ||||
| J | KIT MARKED J SERVICES PART(S) MARKED J | |||
#SEBP45790244
270-7286: CYLINDER GP-STICK
270-7286 CYLINDER GP-STICK
S/N EBL1-UP
140-MM (5.5-IN) BORE X 705-MM (27.7-IN) STROKE
PART OF 254-0180 BACKHOE AR-EXTENDABLE STICK, 254-0175 BACKHOE AR-STANDARD STICK
AN ATTACHMENT
S/N EBL1-UP
140-MM (5.5-IN) BORE X 705-MM (27.7-IN) STROKE
PART OF 254-0180 BACKHOE AR-EXTENDABLE STICK, 254-0175 BACKHOE AR-STANDARD STICK
AN ATTACHMENT
Parts for your 450E BACKHOE LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 277-7263 | [1] | CYLINDER AS-HYDRAULIC | |
| 1A. | 311-8712 | [2] | BUSHING | |
| 203-7807 | [1] | ELBOW | ||
| 7J-9108 | [1] | SEAL-O-RING | ||
| 2. | 277-7267 | [1] | ROD AS | |
| 2A. | 278-0254 | [2] | BUSHING | |
| 3. | 277-7269 | [1] | HEAD | |
| 4. | 277-7270 | [1] | PISTON | |
| 5. | 167-2243 J | [1] | SEAL AS-BUFFER | |
| 6. | 167-2343 J | [1] | SEAL-U-CUP | |
| 7. | 186-5148 J | [1] | RING-WEAR | |
| 8. | 233-0637 J | [1] | SEAL-WIPER | |
| 9. | 316-2517 J | [1] | SEAL-O-RING | |
| 10. | 316-2516 J | [1] | SEAL-O-RING | |
| 11. | 2K-2961 | [1] | RING-BACKUP | |
| 12. | 4J-4606 J | [1] | RING-WEAR | |
| 13. | 5J-3488 | [1] | LOCKNUT (2-1/4-12-THD) | |
| 14. | 9X-3598 J | [1] | SEAL AS | |
| AVAILABLE REPAIR KIT(S): | ||||
| 327-8267 J | [1] | KIT-HYDRAULIC CYLINDER SEAL | ||
| (ALSO INCLUDES BACKUP RING) | ||||
| J | KIT MARKED J SERVICES PART(S) MARKED J | |||
#SEBP45790245
286-8903: CYLINDER GP-SWING
286-8903 CYLINDER GP-SWING
S/N EBL1-431
100-MM (3.9-IN) BORE X 289-MM (11.4-IN) STROKE
PART OF 254-0170 HYDRAULIC AR
S/N EBL1-431
100-MM (3.9-IN) BORE X 289-MM (11.4-IN) STROKE
PART OF 254-0170 HYDRAULIC AR
Parts for your 450E BACKHOE LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 2Y-5821 | [1] | RING | |
| 2. | 3N-5739 | [1] | SPRING | |
| 3. | 9T-2883 | [2] | BEARING | |
| 4. | 102-3582 | [1] | WASHER (11X19.5X2.5-MM THK) | |
| 5. | 233-2583 | [1] | PISTON | |
| 6. | 233-2585 | [1] | SEAL AS | |
| 7. | 233-2589 | [1] | RING-WEAR | |
| 8. | 233-2595 | [1] | HEAD AS | |
| 8A. | 233-2613 | [1] | BEARING | |
| 9. | 233-2603 | [1] | SEAL-O-RING | |
| 10. | 233-2606 | [1] | SEAL-WIPER | |
| 11. | 233-2610 | [1] | SEAL-U-CUP | |
| 12. | 233-2616 | [1] | SEAL | |
| 13. | 244-8826 | [1] | RING-BACKUP | |
| 14. | 274-4274 | [1] | BUSHING | |
| 15. | 286-9440 | [1] | CYLINDER AS | |
| 16. | 287-2046 | [1] | PLUNGER | |
| 17. | 294-4553 | [1] | ROD AS | |
| 18. | 3B-8489 | [1] | FITTING-GREASE (1/8-27 PTF) | |
| 19. | 3E-6735 | [1] | SEAL-O-RING | |
| 20. | 9X-6611 M | [1] | SETSCREW-SOCKET (M10X1.5X16-MM) | |
| PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY | ||||
| M | METRIC PART | |||
#SEBP45790246
297-4896: CYLINDER GP-SWING
297-4896 CYLINDER GP-SWING
S/N EBL432-UP
100-MM (3.94-IN) BORE X 289-MM (11.4-IN) STROKE
PART OF 254-0170 HYDRAULIC AR
S/N EBL432-UP
100-MM (3.94-IN) BORE X 289-MM (11.4-IN) STROKE
PART OF 254-0170 HYDRAULIC AR
Parts for your 450E BACKHOE LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 3B-8489 | [1] | FITTING-GREASE (1/8-27 PTF) | |
| 2. | 3N-5739 | [1] | SPRING | |
| 3. | 102-3582 | [1] | WASHER (11X19.5X2.5-MM THK) | |
| 4. | 233-0619 J | [1] | SEAL-WIPER | |
| 5. | 233-2589 J | [1] | RING-WEAR | |
| 6. | 233-2613 | [1] | BEARING | |
| 7. | 269-0388 | [1] | HEAD | |
| 8. | 269-0389 | [1] | PISTON | |
| 9. | 287-2046 | [1] | PLUNGER | |
| 10. | 297-4897 | [1] | CYLINDER AS-HYDRAULIC | |
| 10A. | 9T-2883 | [2] | BEARING | |
| 11. | 297-4900 | [1] | ROD AS | |
| 11A. | 274-4274 | [1] | BUSHING | |
| 12. | 140-7649 J | [1] | SEAL-PISTON | |
| 13. | 167-2183 J | [1] | SEAL AS-BUFFER | |
| 14. | 167-2303 J | [1] | SEAL-U-CUP | |
| 15. | 2K-6830 J | [1] | RING-BACKUP | |
| 16. | 2Y-5821 | [1] | RING | |
| 17. | 3E-6735 J | [1] | SEAL-O-RING | |
| 18. | 9X-4611 J | [1] | SEAL-O-RING | |
| 19. | 9X-6611 M | [1] | SETSCREW-SOCKET (M10X1.5X16-MM) | |
| AVAILABLE REPAIR KIT(S): | ||||
| 449-9718 J | [1] | KIT-HYD CYLINDER SEAL | ||
| J | KIT MARKED J SERVICES PART(S) MARKED J | |||
| M | METRIC PART | |||
#SEBP45790247
275-4243: CYLINDER GP-THUMB
275-4243 CYLINDER GP-THUMB
S/N EBL1-UP
70-MM (2.75-IN) BORE X 595-MM (23.4-IN) STROKE
PART OF 278-4505 CYLINDER & LINES GP-THUMB
AN ATTACHMENT
S/N EBL1-UP
70-MM (2.75-IN) BORE X 595-MM (23.4-IN) STROKE
PART OF 278-4505 CYLINDER & LINES GP-THUMB
AN ATTACHMENT
Parts for your 450E BACKHOE LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 276-4168 | [1] | CYLINDER AS | |
| 2. | 276-4169 | [1] | ROD AS | |
| 3. | 276-4170 | [1] | PISTON | |
| 4. | 276-4171 | [1] | HEAD | |
| 5. | 282-6836 | [1] | STOP | |
| 6. | 3B-8489 | [2] | FITTING-GREASE (1/8-27 PTF) | |
| 7. | 9R-0320 | [4] | BUSHING | |
| AVAILABLE REPAIR KIT(S): | ||||
| 276-4172 | [1] | KIT-SEAL | ||
| (INCLUDES SEALS, RINGS & SETSCREW) | ||||
#SEBP45790248
100-7844: CYLINDER GP-TILT
100-7844 CYLINDER GP-TILT
S/N EBL1-UP
101.6MM (4 IN) BORE X 677MM (26.6 IN) STROKE
PART OF 254-0140 LOADER AR
S/N EBL1-UP
101.6MM (4 IN) BORE X 677MM (26.6 IN) STROKE
PART OF 254-0140 LOADER AR
Parts for your 450E BACKHOE LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 173-9683 M | [1] | BOLT (M30X3.5X90-MM) | |
| 2. | 3S-7023 | [1] | WASHER (34X57X6-MM THK) | |
| 3. | 6J-2797 J | [1] | RING-WEAR | |
| 4. | 5J-5402 J | [1] | SEAL AS | |
| 5. | 9T-3133 | [1] | PISTON | |
| 6. | 105-4822 | [1] | CYLINDER AS | |
| 9T-3165 | [2] | BEARING | ||
| 7. | 175-7900 J | [1] | SEAL-O-RING | |
| 8. | 2K-6830 J | [1] | RING-BACKUP | |
| 9. | 6E-0775 | [1] | HEAD AS | |
| 10. | 100-7846 | [1] | ROD AS | |
| 9R-0162 | [1] | BUSHING | ||
| 9R-3700 | [1] | BUSHING | ||
| 11. | 308-1845 JL | [1] | SEAL-WIPER | |
| 12. | 289-2946 JL | [1] | SEAL-U-CUP | |
| 13. | 289-2935 JL | [1] | SEAL AS-BUFFER | |
| 14. | 4T-5613 JL | [1] | RING-WEAR | |
| AVAILABLE REPAIR KIT(S): | ||||
| 233-9205 J | [1] | KIT-SEAL (HYDRAULIC CYLINDER) | ||
| (INCLUDES RINGS & SEALS) | ||||
| (STANDARD SIZE BORE) | ||||
| 233-9207 L | [1] | KIT-SEAL (HYDRAULIC CYLINDER) | ||
| (INCLUDES RINGS & SEALS) | ||||
| (OVERSIZE BORE 0.76-MM) | ||||
| (ALL KITS ABOVE FOR USE WITH REHS1392)) | ||||
| J | KIT MARKED J SERVICES PART(S) MARKED J | |||
| L | KIT MARKED L SERVICES PART(S) MARKED L | |||
| M | METRIC PART | |||
| R | REMANUFACTURED PART MAY BE AVAILABLE | |||
#SEBP45790249
112-1826: DRIVE & MTG GP-PUMP
Parts for your 450E BACKHOE LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 8T-9405 M | [4] | BOLT-SOCKET HEAD (M4X0.7X16-MM) | |
| 2. | 9U-8886 | [1] | RING-SEAL | |
| 3. | 115-1918 | [1] | PLATE | |
| 4. | 117-3534 | [1] | ADAPTER | |
| 5. | 274-4555 | [1] | HUB | |
| 6. | 128-5596 Y | [1] | SHAFT GP-PUMP DRIVE | |
| 7. | 175-7904 | [1] | SEAL-O-RING | |
| 8. | 8T-4122 | [2] | WASHER-HARD (17X32X3.5-MM THK) | |
| 9. | 8T-7338 M | [2] | BOLT (M16X2X45-MM) | |
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
Information:
HYDRAULIC SYSTEM
CYLINDER GP
Tool Operating Manual
Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}
Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}
Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}



