POWER TRAIN
TRANSMISSION GPOPERATOR STATION
CONTROL GP-TRANSMISSIONPOWER TRAIN
CONTROL GP-TRANSMISSION HYDVALVE GP-SELECTOR
HYDRAULIC SYSTEM
MOTOR GPPOWER TRAIN
TRANSMISSION GP#SEBP10620460
6P-1321: PLANETARY GP
6P1321 PLANETARY TRANSMISSION GP--PART 2 OF 4
If Transmission Is Serialized Use Transmission S/N. Otherwise
Use Vehicle S/N 24W1 To 24W2654 Inclusive. Transmission S/N 1YA1-Up
Part Of 3P5673 Transmission Ar. Shown On Page 100
If Transmission Is Serialized Use Transmission S/N. Otherwise
Use Vehicle S/N 24W1 To 24W2654 Inclusive. Transmission S/N 1YA1-Up
Part Of 3P5673 Transmission Ar. Shown On Page 100
Parts for your 631D WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 7S-8631 | [5] | SHAFT ASSEM. | |
| (Each Includes) | ||||
| 2. | 3S-0036 | [1] | PLUG | |
| 3. | 7S-4485 | [1] | PLATE ASSEM. | |
| (Includes) | ||||
| 7M-8480 | [4] | DOWEL | ||
| 4. | 7G-2516 C | [5] | GEAR (24 teeth) | |
| 5M-6126 | [5] | BEARING | ||
| 5. | 6P-1259 | [1] | HOUSING ASSEM. | |
| (Includes) | ||||
| 7M-8480 | [2] | DOWEL | ||
| 6. | 7S-4543 | [1] | PISTON | |
| 7. | 8S-3521 | [1] | RING | |
| 8. | 1A-5964 | [2] | BOLT | |
| 9. | 7G-2526 C | [8] | GEAR (23 teeth) | |
| 5M-2051 | [16] | BEARING | ||
| 10. | 3T-5834 C | [16] | DISC | |
| 11. | 7S-8577 | [4] | SHAFT | |
| 12. | 7S-8578 | [4] | SHAFT | |
| 13. | 7G-0892 C | [8] | WASHER | |
| 14. | 7G-2525 C | [4] | GEAR (17 teeth) | |
| 7S-4534 | [8] | BEARING | ||
| 15. | 0S-1585 | [17] | BOLT | |
| 3H-7654 C | [17] | WASHER | ||
| 16. | 7S-4495 | [1] | GEAR (81 teeth) | |
| 17. | 7S-4523 | [1] | GEAR (101 teeth) | |
| 18. | 8S-3371 | [1] | RING | |
| 19. | 6P-7709 | [1] | CAGE ASSEM. | |
| (Includes) | ||||
| 20. | 6P-7706 | [1] | CARRIER | |
| 21. | 3S-1292 | [1] | BEARING | |
| 22. | 9M-2001 | [2] | DOWEL | |
| 23. | 6B-6863 | [1] | PIN | |
| 24. | 8S-9184 | [1] | GEAR ASSEM. | |
| (Includes) | ||||
| 8S-9183 | [1] | HUB | ||
| 25. | 8S-9182 | [1] | RING | |
| 26. | 8S-9181 C | [1] | GEAR (36 Teeth) | |
| 27. | 8P-6949 | PLATE | ||
| C | INDICATES CHANGE | |||
#SEBP10620461
6P-1321: PLANETARY GP
6P1321 PLANETARY TRANSMISSION GROUP--Part 3 of 4
IF TRANSMISSION IS SERIALIZED USE TRANSMISSION SERIAL NO.
OTHERWISE USE VEHICLE SERIAL NO. Serial No. 24W1 to 24W2654 inclusive.
Transmission Serial No. 1YA1-Up. Part of 3P5673 Transmission Arrangement
shown on Page 100
IF TRANSMISSION IS SERIALIZED USE TRANSMISSION SERIAL NO.
OTHERWISE USE VEHICLE SERIAL NO. Serial No. 24W1 to 24W2654 inclusive.
Transmission Serial No. 1YA1-Up. Part of 3P5673 Transmission Arrangement
shown on Page 100
Parts for your 631D WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 1M-8649 | [1] | RING | |
| 2. | 6H-7201 | [1] | RING | |
| 3. | 3S-2619 | [1] | RING | |
| 4. | 1S-5623 | [4] | PLATE | |
| 5. | 0T-0102 | [16] | BOLT | |
| 6. | 4F-2218 | [4] | LOCK | |
| 7. | 2S-4993 | [1] | SLINGER | |
| 8. | 7S-8971 | [1] | GEAR (35 teeth) | |
| 9. | 7S-8970 | [1] | GEAR (29 teeth) | |
| 10. | 5S-7779 | [1] | RING | |
| 11. | 9S-8838 | [1] | ADAPTER | |
| 12. | 8H-3981 | [1] | RING | |
| 13. | 5S-4442 | [1] | BEARING | |
| 14. | 2K-5967 | [1] | RING | |
| 15. | 8S-0005 | [1] | CARRIER ASSEM. | |
| 16. | 7S-8968 | [4] | TUBE | |
| 17. | 3H-9500 | [4] | LOCK | |
| 18. | 6F-0155 | [2] | RING | |
| 19. | 7S-4497 | [1] | GEAR (55 teeth) | |
| 20. | 9M-6193 | [60] | SPRING ASSEM. | |
| 21. | 0S-1594 | [12] | BOLT | |
| 3S-2666 | [6] | LOCK | ||
| 22. | 9M-2004 | [2] | BEARING | |
| 23. | 1M-8652 | [2] | RING | |
| 24. | 8P-2401 | [1] | SHAFT ASSEM. | |
| (Includes) | ||||
| 5M-8651 | [1] | BEARING | ||
| 25. | 5S-4441 | [1] | DOWEL | |
| 26. | 3S-9975 | [1] | PISTON | |
| 27. | 9P-4254 C | [3] | DISC ASSEM. | |
| 28. | 1K-8953 | [2] | PLATE | |
| 6V-1720 CH | PLATE (Serial Number) | |||
| 7B-3028 C | [2] | SCREW | ||
| C | INDICATES CHANGE | |||
| H | NOT SHOWN | |||
#SEBP10620462
6P-1321: PLANETARY GP
6P1321 PLANETARY TRANSMISSION GROUP--Part 4 of 4
IF TRANSMISSION IS SERIALIZED USE TRANSMISSION SERIAL NO.
OTHERWISE USE VEHICLE SERIAL NO. Serial No. 24W1 to 24W2654 inclusive.
Transmission Serial No. 1YA1-Up. Part of 3P5673 Transmission Arrangement
shown on Page 100
IF TRANSMISSION IS SERIALIZED USE TRANSMISSION SERIAL NO.
OTHERWISE USE VEHICLE SERIAL NO. Serial No. 24W1 to 24W2654 inclusive.
Transmission Serial No. 1YA1-Up. Part of 3P5673 Transmission Arrangement
shown on Page 100
Parts for your 631D WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 8M-1112 | [1] | SEAL | |
| 2. | 4S-5811 | [1] | PLUG | |
| 3. | 4S-5814 | [1] | HOUSING ASSEM. | |
| (Includes) | ||||
| 7M-8480 | [2] | DOWEL | ||
| 4. | 6P-1037 | [1] | RING | |
| 5. | 3P-4269 | [1] | PISTON | |
| 6. | 4S-5805 | [1] | RING | |
| 7. | 5B-1952 | [5] | SPRING | |
| 8. | 3P-4270 | [5] | PLATE | |
| 9. | 0L-2070 | [8] | BOLT | |
| 5M-2894 C | [8] | WASHER | ||
| 10. | 7S-8580 | [1] | CARRIER | |
| 11. | 8S-9067 | [1] | HOUSING ASSEM. | |
| (Includes) | ||||
| 7M-8480 | [2] | DOWEL | ||
| 12. | 8P-4520 C | [1] | PISTON | |
| 13. | 1S-9496 | [1] | RING | |
| 14. | 1P-4110 | [12] | DISC ASSEM. | |
| 15. | 2P-4472 R | [9] | PLATE | |
| 16. | 4M-9641 | [16] | BOLT | |
| 2M-0849 | [16] | WASHER | ||
| 17. | 7S-8594 | [1] | HOUSING | |
| 18. | 7S-8972 | [1] | GEAR (81 teeth) | |
| 19. | 4M-1677 | [5] | PIN | |
| 20. | 1M-9691 | [20] | SPRING | |
| 21. | 9H-5546 | [5] | PIN | |
| 22. | 4S-8724 | [3] | DISC ASSEM. | |
| 23. | 3S-0044 R | [2] | PLATE | |
| 24. | 3S-1283 | [1] | RING | |
| 25. | 3S-1282 | [2] | RING | |
| 26. | 9G-0599 C | [1] | MANIFOLD ASSEM. | |
| (Includes) | ||||
| 27. | 8B-1312 | [2] | DOWEL | |
| 28. | 3P-4265 | [1] | PISTON | |
| 29. | 4M-8871 | [10] | PIN | |
| 30. | 0T-0573 | [7] | BOLT | |
| 5M-2894 | [7] | WASHER | ||
| 31. | 7S-4505 | [1] | HOUSING ASSEM. | |
| (Includes) | ||||
| 7M-8480 | [2] | DOWEL | ||
| C | INDICATES CHANGE | |||
| R | REMFG PART MAY BE AVAILABLE | |||
#SEBP10620463
3P-8470: CONTROL GP-TRANSMISSION
3P8470 TRANSMISSION HYDRAULIC CONTROL GROUP--Part 1 of 2--Type 1
Part of 3P5673 Transmission Arrangement shown on Pages 100 & 100A
8S9121 Accumulator and 9S2818 Valve parts are shown on Page 111
Part of 3P5673 Transmission Arrangement shown on Pages 100 & 100A
8S9121 Accumulator and 9S2818 Valve parts are shown on Page 111
Parts for your 631D WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 9H-0223 | [1] | SEAL | |
| 2. | 5S-3656 | [1] | SHAFT | |
| 3. | 0L-1329 | [1] | BOLT | |
| 4. | 1D-4719 | [1] | NUT | |
| 5. | 3B-4508 | [1] | LOCKWASHER | |
| 6. | 4B-4280 | [1] | WASHER | |
| 7. | 9S-5222 | [1] | SPACER | |
| 8. | 8S-6377 | [1] | PIN | |
| 9. | 8M-4432 | [7] | SEAL | |
| 10. | 9S-2818 Y | [1] | VALVE GROUP | |
| (Separate Illustration) | ||||
| 11. | 8S-9121 Y | [1] | ACCUMULATOR GROUP | |
| (Separate Illustration) | ||||
| 12. | 0S-1608 | [2] | BOLT | |
| 13. | 1A-5964 | [4] | BOLT | |
| 14. | 7S-4539 | [6] | SLEEVE | |
| 15. | 1S-7462 | [12] | SEAL | |
| 16. | 8S-0599 | [1] | SLEEVE | |
| 17. | 8M-4437 | [2] | SEAL | |
| 18. | 7B-2499 | [1] | RING | |
| 19. | 2P-1964 | [2] | SLEEVE | |
| 20. | 7S-4540 | [1] | SLEEVE | |
| 21. | 1P-3230 | [1] | MANIFOLD | |
| 22. | 0T-0573 | [3] | BOLT | |
| 23. | 5M-2894 | [9] | WASHER | |
| 24. | 9M-4288 | [18] | BOLT | |
| 25. | 9M-1974 | [27] | WASHER | |
| 26. | 9M-4289 | [14] | BOLT | |
| 27. | 5M-6214 | [3] | PLUG | |
| 28. | 4H-1394 | [1] | WASHER | |
| Y | SEPARATE ILLUSTRATION | |||
#SEBP10620464
3P-8470: CONTROL GP-TRANSMISSION
3P8470 TRANSMISSION HYDRAULIC CONTROL GROUP--Part 2 of 2--Type 1
Part of 3P5673 Transmission Arrangement shown on Pages 100 & 100A
7S6937, 6P3233, 3P2973 and 3P6661 Valve parts are shown on
Pages 110 and 112 through 114
Part of 3P5673 Transmission Arrangement shown on Pages 100 & 100A
7S6937, 6P3233, 3P2973 and 3P6661 Valve parts are shown on
Pages 110 and 112 through 114
Parts for your 631D WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 5S-7785 | [2] | CAM | |
| 2. | 1B-4203 | [4] | NUT | |
| 3. | 7M-5915 | [4] | PIN | |
| 4. | 5M-2894 | [12] | WASHER | |
| 5. | 2D-0598 | [1] | SEAL | |
| 6. | 5S-7795 | [1] | BRACKET ASSEM. | |
| 7. | 8H-8175 | [2] | BEARING | |
| 8. | 9M-2069 | [1] | PIN | |
| 9. | 8M-8652 | [1] | SHAFT | |
| 10. | 9H-0223 | [1] | SEAL | |
| 11. | 1D-4717 | [1] | NUT | |
| 12. | 5S-6985 | [1] | SPACER | |
| 13. | 4M-1768 | [1] | SPRING | |
| 14. | 1A-1460 | [1] | BOLT | |
| 15. | 9S-5222 | [1] | SPACER | |
| 16. | 4B-4280 | [1] | WASHER | |
| 17. | 1S-3155 | [2] | DETENT ASSEM. | |
| 1S-3154 | [1] | DETENT | ||
| 18. | 9M-2022 | [1] | DOWEL | |
| 19. | 1S-3211 | [1] | PIN | |
| 1S-3206 | [2] | BEARING | ||
| 20. | 6P-5642 | [1] | PLATE | |
| 22. | 3P-2973 | [1] | CONTROL GROUP (pressure) | |
| 23. | 3P-6661 Y | [1] | VALVE GROUP (selector) | |
| (Separate Illustration) | ||||
| 24. | 7S-8590 | [1] | PLATE | |
| 25. | 2S-5818 | [12] | BOLT 76.20mm(3 in.) long | |
| 26. | 9M-1974 | [43] | WASHER | |
| 27. | 7S-6937 Y | [1] | VALVE GROUP | |
| (Separate Illustration) | ||||
| 28. | 8M-5248 | [10] | SEAL | |
| 29. | 8P-4054 | [1] | PLATE | |
| 30. | 7S-8581 | [1] | MANIFOLD | |
| 31. | 3S-1364 | [4] | DOWEL | |
| 32. | 8M-1115 | [4] | RETAINER | |
| 33. | 0L-1143 | [7] | BOLT | |
| 34. | 3P-2398 | [1] | MANIFOLD | |
| 35. | 1S-9811 | [29] | BOLT 152.40mm(6 in.) long | |
| 36. | 2S-5778 | [1] | LEVER | |
| 37. | 8S-3453 | [1] | LEVER ASSEM. | |
| 38. | 2H-3429 | [2] | RING | |
| 2P-1049 | [1] | DOWEL | ||
| 39. | 2P-3621 | [1] | PIN | |
| 2H-3429 | [3] | RING | ||
| 40. | 8M-4437 | [8] | SEAL | |
| 41. | 1S-5554 | [4] | SLEEVE | |
| 42. | 4S-8569 | [1] | SPRING | |
| 43. | 6P-3233 Y | [1] | PRESSURE CONTROL GROUP | |
| (Separate Illustration) | ||||
| 44. | 3P-2420 | [1] | ELBOW | |
| 8M-4992 | [1] | SEAL | ||
| 8M-8162 C | [2] | BOLT | ||
| 45. | 3S-1323 C | [1] | SLEEVE | |
| 46. | 8M-4432 | [1] | SEAL | |
| C | INDICATES CHANGE | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP10620465
3P-8470: CONTROL GP-TRANSMISSION
3P8470 TRANSMISSION HYDRAULIC CONTROL GROUP--Part 1 of 2--Type 2
IF TRANSMISSION IS SERIALIZED USE TRANSMISSION SERIAL NO.
OTHERWISE USE VEHICLE SERIAL NO. Serial No. 24W1 to 24W2654 inclusive.
Transmission Serial No. 1YA1-Up. Part of 3P5673 Transmission Arrangement
shown on Pages 100 & 100A. 8S9121 Accumulator and 9S2818 Valve parts are
shown on Page 111
IF TRANSMISSION IS SERIALIZED USE TRANSMISSION SERIAL NO.
OTHERWISE USE VEHICLE SERIAL NO. Serial No. 24W1 to 24W2654 inclusive.
Transmission Serial No. 1YA1-Up. Part of 3P5673 Transmission Arrangement
shown on Pages 100 & 100A. 8S9121 Accumulator and 9S2818 Valve parts are
shown on Page 111
Parts for your 631D WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 9H-0223 | [1] | SEAL | |
| 2. | 5S-3656 | [1] | SHAFT | |
| 3. | 0L-1329 | [1] | BOLT | |
| 4. | 1D-4719 | [1] | NUT | |
| 5. | 3B-4508 | [1] | LOCKWASHER | |
| 6. | 4B-4280 | [1] | WASHER | |
| 7. | 9S-5222 | [1] | SPACER | |
| 8. | 8S-6377 | [1] | PIN | |
| 9. | 8M-4432 | [7] | SEAL | |
| 10. | 9S-2818 Y | [1] | VALVE GROUP | |
| (Separate Illustration) | ||||
| 11. | 8S-9121 Y | [1] | ACCUMULATOR GROUP | |
| (Separate Illustration) | ||||
| 12. | 0S-1608 | [2] | BOLT | |
| 13. | 1A-5964 | [4] | BOLT | |
| 14. | 7S-4539 | [6] | SLEEVE | |
| 15. | 1S-7462 | [12] | SEAL | |
| 16. | 8S-0599 | [1] | SLEEVE | |
| 17. | 8M-4437 | [2] | SEAL | |
| 18. | 7B-2499 | [1] | RING | |
| 19. | 2P-1964 C | [3] | SLEEVE | |
| 20. | 4H-1394 | [1] | WASHER | |
| 21. | 1P-3230 | [1] | MANIFOLD | |
| 22. | 0T-0573 | [3] | BOLT | |
| 23. | 5M-2894 | [9] | WASHER | |
| 24. | 9M-4288 | [18] | BOLT | |
| 25. | 9M-1974 | [27] | WASHER | |
| 26. | 9M-4289 | [14] | BOLT | |
| 27. | 5M-6214 | [3] | PLUG | |
| Y | SEPARATE ILLUSTRATION | |||
#SEBP10620466
3P-8470: CONTROL GP-TRANSMISSION
3P8470 TRANSMISSION HYDRAULIC CONTROL GROUP--Part 2 of 2--Type 2
IF TRANSMISSION IS SERIALIZED USE TRANSMISSION SERIAL NO.
OTHERWISE USE VEHICLE SERIAL NO. Serial No. 24W1 to 24W2654 inclusive.
Transmission Serial No. 1YA1-Up. Part of 3P5673 Transmission Arrangement
shown on Pages 100 & 100A. 8P4221, 6P3233, 3P2973 and 3P6661 Valve parts are
shown on Pages 110A and 112 through 114
IF TRANSMISSION IS SERIALIZED USE TRANSMISSION SERIAL NO.
OTHERWISE USE VEHICLE SERIAL NO. Serial No. 24W1 to 24W2654 inclusive.
Transmission Serial No. 1YA1-Up. Part of 3P5673 Transmission Arrangement
shown on Pages 100 & 100A. 8P4221, 6P3233, 3P2973 and 3P6661 Valve parts are
shown on Pages 110A and 112 through 114
Parts for your 631D WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 5S-7785 | [2] | CAM | |
| 2. | 1B-4203 | [4] | NUT | |
| 3. | 7M-5915 | [4] | PIN | |
| 4. | 5M-2894 | [12] | WASHER | |
| 5. | 2D-0598 | [1] | SEAL | |
| 6. | 5S-7795 | [1] | BRACKET ASSEM. | |
| 7. | 8H-8175 | [2] | BEARING | |
| 8. | 9M-2069 | [1] | PIN | |
| 9. | 8M-8652 | [1] | SHAFT | |
| 10. | 9H-0223 | [1] | SEAL | |
| 11. | 1D-4717 | [1] | NUT | |
| 12. | 5S-6985 | [1] | SPACER | |
| 13. | 4M-1768 | [1] | SPRING | |
| 14. | 1A-1460 | [1] | BOLT | |
| 15. | 9S-5222 | [1] | SPACER | |
| 16. | 4B-4280 | [1] | WASHER | |
| 17. | 1S-3155 | [2] | DETENT ASSEM. | |
| 1S-3154 | [1] | DETENT | ||
| 18. | 9M-2022 | [1] | DOWEL | |
| 19. | 8P-4764 C | [1] | PIN | |
| 1S-3206 | [2] | BEARING | ||
| 20. | 6P-5642 | [1] | PLATE | |
| 21. | 8M-4432 | [1] | SEAL | |
| 22. | 3P-2973 | [1] | CONTROL GROUP (pressure) | |
| 23. | 3P-6661 Y | [1] | VALVE GROUP (selector) | |
| (Separate Illustration) | ||||
| 24. | 7S-8590 | [1] | PLATE | |
| 25. | 2S-5818 | [12] | BOLT 76.20mm(3 in.) long | |
| 26. | 9M-1974 | [43] | WASHER | |
| 27. | 8P-4221 YC | [1] | VALVE GROUP | |
| (Separate Illustration) | ||||
| 28. | 8M-5248 | [10] | SEAL | |
| 29. | 8P-4054 | [1] | PLATE | |
| 30. | 7S-8581 | [1] | MANIFOLD | |
| 31. | 3S-1364 | [4] | DOWEL | |
| 32. | 8M-1115 | [4] | RETAINER | |
| 33. | 0L-1143 | [7] | BOLT | |
| 34. | 3P-2398 | [1] | MANIFOLD | |
| 35. | 1S-9811 | [29] | BOLT 152.40mm(6 in.) long | |
| 36. | 2S-5778 | [1] | LEVER | |
| 37. | 8S-3453 | [1] | LEVER ASSEM. | |
| 38. | 2H-3429 | [2] | RING | |
| 2P-1049 | [1] | DOWEL | ||
| 39. | 6P-7736 C | [1] | PIN | |
| 2H-3429 | [3] | RING | ||
| 40. | 8M-4437 | [8] | SEAL | |
| 41. | 7G-4284 C | [4] | SLEEVE | |
| 42. | 4S-8569 | [1] | SPRING | |
| 43. | 6P-3233 Y | [1] | PRESSURE CONTROL GROUP | |
| (Separate Illustration) | ||||
| 44. | 3P-2420 | [1] | ELBOW | |
| 8M-4992 | [1] | SEAL | ||
| 8M-8162 | [2] | BOLT | ||
| 45. | 3S-1323 | [1] | SLEEVE | |
| C | INDICATES CHANGE | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP10620467
7S-6937: SELECTOR VALVE GROUP
7S6937 SELECTOR VALVE GROUP
Part of 3P8470 Transmission Hydraulic Control Group shown on Page 109
Part of 3P8470 Transmission Hydraulic Control Group shown on Page 109
Parts for your 631D WHEEL TRACTOR:
CATERPILLAR SIS#SEBP10620468
8P-4221: VALVE GP-SELECTOR
8P4221 SELECTOR VALVE GROUP
IF TRANSMISSION IS SERIALIZED USE TRANSMISSION SERIAL NO. OTHERWISE USE VEHICLE SERIAL NO.
Serial No. 24W1 to 24W2654 inclusive. Transmission Serial No. 1YA1-Up. Part of 3P8470 Transmission Hydraulic Control
Group shown on Page 109B
IF TRANSMISSION IS SERIALIZED USE TRANSMISSION SERIAL NO. OTHERWISE USE VEHICLE SERIAL NO.
Serial No. 24W1 to 24W2654 inclusive. Transmission Serial No. 1YA1-Up. Part of 3P8470 Transmission Hydraulic Control
Group shown on Page 109B
Parts for your 631D WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 8P-2781 | [1] | BODY | |
| 2. | 2S-3513 | [1] | SPOOL | |
| 3. | 2S-3514 | [1] | SPOOL | |
| 4. | 2S-3515 | [1] | SPOOL | |
| 5. | 8P-4633 | [1] | SPOOL | |
| 6. | 2S-5717 | [4] | NUT | |
| 7. | 5S-0909 | [1] | NUT | |
| 8. | 8S-9099 | [3] | LINK ASSEM. | |
| (Each Includes) | ||||
| 9. | 2L-5894 | [3] | PIN | |
| 10. | 7G-4981 C | [1] | PLATE (identification) | |
| 11. | 7B-3028 C | [1] | SCREW | |
| C | INDICATES CHANGE | |||
#SEBP10620469
8S-9121: ACCUMULATOR GP
8S9121 ACCUMULATOR GROUP
IF TRANSMISSION IS SERIALIZED USE TRANSMISSION SERIAL NO. OTHERWISE USE
VEHICLE SERIAL NO. Serial No. 24W1 to 24W2654 inclusive. Transmission Serial No.
1YA1-Up. Part of 3P8470 Transmission Hydraulic Control Group shown on
Pages 108 and 109A
IF TRANSMISSION IS SERIALIZED USE TRANSMISSION SERIAL NO. OTHERWISE USE
VEHICLE SERIAL NO. Serial No. 24W1 to 24W2654 inclusive. Transmission Serial No.
1YA1-Up. Part of 3P8470 Transmission Hydraulic Control Group shown on
Pages 108 and 109A




