HYDRAULIC SYSTEM
VALVE GP-COMBINATIONPLATE GP-HYDRAULIC BLOCKING
PUMP GP
PLATE GP-HYDRAULIC BLOCKING
PUMP GP
HYDRAULIC SYSTEM
VALVE GP-COMBINATION#UEH0804S0120
9J-0776: REDUCING COMBINATION VALVE GROUP
9J776 REDUCING COMBINATION VALVE GROUP
Part of 9J773 Combination Valve Group shown on Page 58
Part of 9J773 Combination Valve Group shown on Page 58
Parts for your 225 EXCAVATOR:
CATERPILLAR SIS#UEH0804S0121
8K-4707: PLATE GP-HYDRAULIC BLOCKING
8K4707 HYDRAULIC BLOCKING PLATE GROUP--Suction
Serial No. 76U294-Up
Serial No. 76U294-Up
Parts for your 225 EXCAVATOR:
CATERPILLAR SIS#UEH0804S0122
9J-5000: HYDRAULIC TYRONE GEAR PUMP GROUP
9J5000 HYDRAULIC TYRONE GEAR PUMP GROUP
Note: Provides a through shaft for an additional pump drive. AN ATTACHMENT
Note: Provides a through shaft for an additional pump drive. AN ATTACHMENT
Parts for your 225 EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 3G-1280 | [1] | SPACER | |
| 2. | 3G-1272 | [8] | STUD | |
| 8H-5724 | [8] | NUT | ||
| 3. | 6J-2391 | [12] | WASHER | |
| 4. | 5S-1522 | [1] | RING | |
| 5. | 7J-4772 | [1] | COUPLING | |
| 6. | 1H-6227 | [1] | SEAL | |
| 7. | 8J-5790 | [1] | COVER | |
| 8. | 0S-1620 | [4] | BOLT | |
| 9. | 2D-4534 | [4] | BOLT | |
| 10. | 9J-9841 | [1] | PLUG | |
| 11. | 9J-5654 | [2] | SEAL | |
| THE FOLLOWING REPAIR KITS ARE AVAILABLE: | ||||
| 3G-1255 | [1] | KIT (section-front) | ||
| 8J-5784 | [1] | KIT (section-rear) | ||
| 8J-5785 | [1] | KIT (seal) | ||
| (Includes Seals, Rings and Spacer) | ||||
#UEH0804S0123
8J-2059: GEAR PUMP GROUP
8J2059 GEAR PUMP GROUP
Serial No. 76U1 to 76U547, 549 to 554, 556 to 609, 611 to 616, 619 to 621,
624, 626 to 628, 630, 633, 634, 637 to 640, 643 to 646, 648, 649, 651, 656, 657,
661 to 665, 667, 671 to 673, 680 and 76U690 inclusive
Serial No. 76U1 to 76U547, 549 to 554, 556 to 609, 611 to 616, 619 to 621,
624, 626 to 628, 630, 633, 634, 637 to 640, 643 to 646, 648, 649, 651, 656, 657,
661 to 665, 667, 671 to 673, 680 and 76U690 inclusive
#UEH0804S0124
8K-3570: PLATE GP-HYDRAULIC BLOCKING
8K3570 HYDRAULIC BLOCKING PLATE GROUP
#UEH0804S0125
9J-9852: GEAR PUMP GROUP
9J9852 GEAR PUMP GROUP
Serial No. 76U548, 555, 610, 617, 618, 622, 623, 625, 629, 631, 632, 635, 636, 641,
642, 647, 650, 652 to 655, 658 to 660, 666, 668 to 670, 674 to 679, 681 to 689
and 76U691-Up
Serial No. 76U548, 555, 610, 617, 618, 622, 623, 625, 629, 631, 632, 635, 636, 641,
642, 647, 650, 652 to 655, 658 to 660, 666, 668 to 670, 674 to 679, 681 to 689
and 76U691-Up
Parts for your 225 EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 3G-1280 | [1] | SPACER | |
| 2. | 9J-5654 | [2] | SEAL | |
| 3. | 9J-9841 | [1] | PLUG | |
| 4. | 7J-4772 | [1] | COUPLING | |
| 5S-1522 | [1] | RING | ||
| 5. | [8] | STUD | ||
| 8H-5724 | [8] | NUT | ||
| 6J-2391 | [8] | WASHER | ||
| THE FOLLOWING REPAIR KITS ARE AVAILABLE: | ||||
| 8J-8364 | [1] | KIT (rear) | ||
| 3G-1255 | [1] | KIT (section-front) | ||
| 8J-9239 | [1] | KIT (seal) | ||
| (Includes Seals, Spacer, and Retainer) | ||||
#UEH0804S0126
8J-8723: PISTON PUMP GROUP
8J8723 PISTON PUMP GROUP--Part 1 of 2 --2 Required
Serial No. 76U1 to 76U423, 76U425 to 76U427 and 76U431 to 76U442 inclusive
8J4501 Pump Control Head parts are shown on Page 64
Serial No. 76U1 to 76U423, 76U425 to 76U427 and 76U431 to 76U442 inclusive
8J4501 Pump Control Head parts are shown on Page 64
Parts for your 225 EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 2P-9703 | [1] | PLATE | |
| 2. | 4B-4158 | [4] | SCREW | |
| 3. | 8J-0423 | [1] | CONE | |
| 4. | 4B-7220 | [6] | BOLT | |
| 5. | 3B-4507 | [10] | LOCKWASHER | |
| 6. | 8J-4501 YC | [1] | HEAD GROUP | |
| (Separate Illustration) | ||||
| 8J-0499 | [1] | GASKET | ||
| 7. | 8J-2024 | [1] | PLATE | |
| 8. | 8J-0484 | [1] | RING | |
| 9. | 1H-8397 | [1] | RING | |
| 10. | 5B-5821 | [2] | DOWEL | |
| 11. | 5B-5059 | [2] | BOLT | |
| 12. | 8F-6419 C | [2] | BOLT | |
| 13. | 2A-0762 | [10] | BOLT | |
| 8J-0493 | [10] | LOCK | ||
| 14. | 8J-2067 | [2] | BEARING | |
| 15. | 8J-2068 | [6] | SHIM .06 mm(.002 in.) thick | |
| 8J-2069 | [4] | SHIM .13 mm(.005 in.) thick | ||
| 16. | 8J-0488 | [1] | PLATE | |
| 17. | 8J-0489 | [1] | PLATE | |
| 18. | 8J-1912 | [9] | PISTON ASSEM. | |
| 19. | 8J-0483 | [1] | SPRING | |
| 20. | 9J-3969 C | [1] | BARREL ASSEM. | |
| 21. | 8J-0482 | [2] | SPACER | |
| C | INDICATES CHANGE | |||
| Y | SEPARATE ILLUSTRATION | |||
#UEH0804S0127
8J-8723: PISTON PUMP GROUP
8J8723 PISTON PUMP GROUP--Part 2 of 2 --2 Required
Serial No. 76U1 to 76U423, 76U425 to 76U427 and 76U431 to 76U442 inclusive
Serial No. 76U1 to 76U423, 76U425 to 76U427 and 76U431 to 76U442 inclusive
Parts for your 225 EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 8J-2285 | [1] | LINK | |
| 2. | 6F-4855 | [2] | SEAL | |
| 3. | 8J-1898 | [8] | SHIM | |
| 8J-1899 | [3] | WASHER | ||
| 4. | 8J-1810 | [1] | BOLT | |
| 5. | 8J-1811 | [1] | BOLT | |
| 6. | 8J-2281 | [2] | INSERT | |
| 7. | 8J-2282 | [2] | RETAINER | |
| 8. | 8J-2283 | [2] | RING | |
| 9. | 8J-2284 | [1] | LINK | |
| 10. | 2H-3931 | [2] | SEAL | |
| 11. | 8J-0501 | [2] | COVER | |
| 12. | 7K-8877 | [3] | CONE | |
| 13. | 0S-1594 | [14] | BOLT | |
| 3B-4506 | [14] | LOCKWASHER | ||
| 14. | 8J-0503 | [4] | SHIM .08 mm(.003 in.) thick | |
| 8J-0504 | [4] | SHIM .13 mm(.005 in.) thick | ||
| 15. | 9J-8757 C | [1] | SEAL | |
| 16. | 4D-1736 | [1] | RING | |
| 17. | 8J-8654 | [1] | SHAFT | |
| 18. | 9S-8009 | [2] | PLUG | |
| 4K-1388 | [2] | SEAL | ||
| 19. | 9J-3971 C | [1] | BODY | |
| 20. | 7K-8876 | [3] | CUP | |
| 21. | 5B-5821 | [3] | DOWEL | |
| 22. | 8J-1920 | [1] | SWASHPLATE | |
| 23. | 9S-8005 | [2] | PLUG | |
| 3K-0360 | [2] | SEAL | ||
| C | INDICATES CHANGE | |||
#UEH0804S0128
8J-8723: PISTON PUMP GROUP
8J8723 PISTON PUMP GROUP--Part 1 of 2-- 2 Required
Serial No. 76U424, 428, 430, 443, 513, 516, 569 to 575, 577 to 589, 595 to 598, 606 to 609, 611 to 616, 618
to 622, 624 to 629, 631 to 637 & 76U640 to 76U682 inclusive
8J4501 Pump Control Head parts are shown on Page 64
Serial No. 76U424, 428, 430, 443, 513, 516, 569 to 575, 577 to 589, 595 to 598, 606 to 609, 611 to 616, 618
to 622, 624 to 629, 631 to 637 & 76U640 to 76U682 inclusive
8J4501 Pump Control Head parts are shown on Page 64
Parts for your 225 EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 2P-9703 | [1] | PLATE | |
| 2. | 4B-4158 | [4] | SCREW | |
| 3. | 8J-0423 | [1] | CONE | |
| 4. | 4B-7220 | [6] | BOLT | |
| 5. | 3B-4507 | [10] | LOCKWASHER | |
| 6. | 8J-4501 Y | [1] | HEAD GROUP | |
| (Separate Illustration) | ||||
| 8J-0499 | [1] | GASKET | ||
| 7. | 8J-2024 | [1] | PLATE | |
| 8. | 8J-0484 | [1] | RING | |
| 9. | 1H-8397 | [1] | RING | |
| 10. | 5B-5821 | [2] | DOWEL | |
| 11. | 5B-5059 | [2] | BOLT | |
| 12. | 8F-6419 C | [2] | BOLT | |
| 13. | 031-0216 C | [10] | BOLT | |
| 14. | 8J-2067 | [2] | BEARING | |
| 15. | 8J-2068 | [6] | SHIM .06 mm(.002 in.) thick | |
| 8J-2069 | [4] | SHIM .13 mm(.005 in.) thick | ||
| 16. | 9J-0560 C | [1] | PLATE | |
| 17. | 8J-9966 C | [1] | PLATE | |
| 18. | 9J-4936 C | [9] | PISTON ASSEM. | |
| 19. | 8J-0483 | [1] | SPRING | |
| 20. | 9J-3969 | [1] | BARREL ASSEM. | |
| 21. | 8J-0482 | [2] | SPACER | |
| C | INDICATES CHANGE | |||
| Y | SEPARATE ILLUSTRATION | |||
#UEH0804S0129
8J-8723: PISTON PUMP GROUP
8J8723 PISTON PUMP GROUP--Part 2 of 2--2 Required
Serial No. 76U424, 428, 430, 443, 513, 516, 569 to 575, 577 to 589, 595 to 598, 606 to 609,
611 to 616, 618 to 622, 624 to 629, 631 to 637 & 76U640 to 76U682 inclusive
Serial No. 76U424, 428, 430, 443, 513, 516, 569 to 575, 577 to 589, 595 to 598, 606 to 609,
611 to 616, 618 to 622, 624 to 629, 631 to 637 & 76U640 to 76U682 inclusive
Parts for your 225 EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 8J-2285 | [1] | LINK | |
| 2. | 6F-4855 | [2] | SEAL | |
| 3. | 8J-1898 | [8] | SHIM | |
| 8J-1899 | [3] | WASHER | ||
| 4. | 8J-1810 | [1] | BOLT | |
| 5. | 8J-1811 | [1] | BOLT | |
| 6. | 8J-2281 | [2] | INSERT | |
| 7. | 8J-2282 | [2] | RETAINER | |
| 8. | 8J-2283 | [2] | RING | |
| 9. | 9J-3587 C | [1] | LINK | |
| 10. | 2H-3931 | [2] | SEAL | |
| 11. | 8J-0501 | [2] | COVER | |
| 12. | 7K-8877 | [3] | CONE | |
| 13. | 0S-1594 | [14] | BOLT | |
| 3B-4506 | [14] | LOCKWASHER | ||
| 14. | 8J-0503 | [4] | SHIM .08 mm(.003 in.) thick | |
| 8J-0504 | [4] | SHIM .13 mm(.005 in.) thick | ||
| 15. | 9J-8757 | [1] | SEAL | |
| 16. | 4D-1736 | [1] | RING | |
| 17. | 8J-8654 | [1] | SHAFT | |
| 18. | 9S-8009 | [2] | PLUG | |
| 4K-1388 | [2] | SEAL | ||
| 19. | 9J-3971 | [1] | BODY | |
| 20. | 7K-8876 | [3] | CUP | |
| 21. | 5B-5821 | [3] | DOWEL | |
| 22. | 9J-7738 C | [1] | SWASHPLATE | |
| 23. | 9S-8005 | [2] | PLUG | |
| 3K-0360 | [2] | SEAL | ||
| C | INDICATES CHANGE | |||
Information:
HYDRAULIC SYSTEM
VALVE GP-COMBINATION
Specifications
Combiner And Main Relief Valve<BR> (9T1746), 3G3942 Relief Valve, 9T1745 Combiner Valve
SUPPLEMENT FOR 225 EXCAVATOR HYDRAULIC PUMPS & MOTORS
SUPPLEMENT FOR 225 EXCAVATOR HYDRAULIC PUMPS & MOTORS
Disassembly and Assembly
Caterpillar Parts SIS Catalog 225 :
Truck sale:
CATERPILLAR 225 1985
- TRACK EXCAVATORS
ZEPPELIN BAUMASCHINEN
Gebrauchtmaschinen Pool Karl-Bröger-Strasse 8 - Alsfeld
- TRACK EXCAVATORS
ZEPPELIN BAUMASCHINEN
Gebrauchtmaschinen Pool Karl-Bröger-Strasse 8 - Alsfeld



