STEERING SYSTEM
STEERING GEAR GPPOWER TRAIN
DIFFERENTIAL & BEVEL GEAR GPSTEERING SYSTEM
STEERING GEAR GPFRAME AND BODY
CASE & FRAME GPSTEERING SYSTEM
STEERING GEAR GP
#UEG0618S0430
5D-6370: STEERING GEAR GROUP
5D6370 STEERING GEAR GROUP--Part 1 of 3--Type 3
Part of 8D2420 Arrangement listed on Page 183
Part of 8D2420 Arrangement listed on Page 183
For full view, you need register
Parts for your 623 WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 4D-0874 | [1] | COVER | ||
| 2H-9458 | [1] | GASKET | ||
| 1B-8708 | [1] | KEY | ||
| 3B-8488 | [1] | FITTING | ||
| 7B-2380 | [1] | BEARING | ||
| 6B-4204 | [1] | BRACKET | ||
| 6B-4202 | [1] | GASKET | ||
| 0S-1594 | [2] | BOLT | ||
| 3B-4506 | [2] | LOCKWASHER | ||
| 4B-4278 | [2] | WASHER | ||
| 7D-5967 | [1] | SHAFT ASSEM | ||
| 8D-6897 C | [1] | COLUMN ASSEM. | ||
| 0S-1591 | [6] | BOLT | ||
| 3B-4506 | [6] | LOCKWASHER | ||
| 5F-6367 | [1] | RETAINER ASSEM | ||
| 7F-9557 | [1] | BEARING | ||
| (PART OF RETAINER ASSEM 5F6367) | ||||
| 5F-6363 | [1] | WASHER | ||
| 5F-6338 | [1] | WASHER | ||
| 5F-6443 | [1] | SHAFT | ||
| 5F-6447 | [1] | NUT (8 TEETH) | ||
| 7F-1621 | [1] | SECTOR (9 TEETH) | ||
| 1B-8706 | [2] | KEY | ||
| 5F-6393 | [1] | SHAFT | ||
| 5F-6445 | [1] | LEVER | ||
| 1A-2029 | [1] | BOLT | ||
| 6B-5262 | [1] | PLUG | ||
| 5B-3265 | [1] | GASKET | ||
| 0S-1594 | [6] | BOLT | ||
| 3B-4506 | [6] | LOCKWASHER | ||
| 2B-7408 | [1] | PLUG | ||
| 5B-1484 | [1] | NUT | ||
| 5F-5442 | [4] | SCREW | ||
| 5F-2815 | [1] | WHEEL | ||
| 4L-6942 | [1] | SEAL | ||
| 1H-8647 | [1] | RING | ||
| 2D-9487 | [1] | NUT | ||
| 2B-7409 | [1] | PLUG | ||
| 6B-4203 | [1] | CLAMP | ||
| 0S-1590 | [2] | BOLT | ||
| 3B-4506 | [2] | LOCKWASHER | ||
| 5F-6368 | [2] | GASKET | ||
| 2B-7457 | [1] | PLUG | ||
| 0L-0702 | [1] | NUT | ||
| 3B-4518 | [1] | LOCKWASHER | ||
| 5F-6448 | [1] | SHAFT | ||
| 1B-8722 | [1] | KEY | ||
| 5F-6363 | [1] | WASHER | ||
| 7F-9557 | [1] | BEARING | ||
| (PART OF CAP ASSEM 2D2199) | ||||
| 9M-5552 | [12] | SHIM (010"THICK) | ||
| 7F-8267 | [1] | SEAL | ||
| 2D-2199 | [1] | CAP ASSEM | ||
| C | INDICATES CHANGE | |||
#UEG0618S0431
5D-6370: STEERING GEAR GROUP
5D6370 STEERING GEAR GROUP--Part 2 of 3--Type 3
Part of 8D2420 Arrangement listed on Page 183
5D6238 Link parts are shown on Page 198
Part of 8D2420 Arrangement listed on Page 183
5D6238 Link parts are shown on Page 198
For full view, you need register
Parts for your 623 WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 5F-5551 | [1] | COVER | ||
| 0S-1594 | [8] | BOLT | ||
| 5L-5840 | [8] | WASHER | ||
| 5F-5552 | [1] | GASKET | ||
| 2D-8822 | [3] | STUD | ||
| 0S-0175 | [2] | PIN | ||
| 3B-4632 | [2] | COTTER PIN | ||
| 6F-7010 | [1] | END | ||
| 1B-4205 | [1] | NUT | ||
| 7B-9309 | [1] | ROD | ||
| 5D-6238 Y | [1] | LINK GROUP | ||
| (SEPARATE ILLUSTRATION) | ||||
| 3B-4632 | [2] | COTTER PIN | ||
| 7F-7943 | [1] | WASHER | ||
| 7D-1272 | [2] | COVER ASSEM. | ||
| 6D-8288 | [1] | BELLCRANK ASSEM. | ||
| 7B-0503 | [1] | BALLSTUD | ||
| (PART OF BELLCRANK ASSEM. 6D8288) | ||||
| 3B-8489 | [1] | FITTING | ||
| 9H-5205 | [2] | BEARING | ||
| 5D-7815 | [1] | PIN | ||
| 3B-5753 | [1] | NUT | ||
| 3B-4518 | [1] | LOCKWASHER | ||
| 5D-6168 | [1] | SUPPORT | ||
| 1D-4720 | [3] | NUT | ||
| 3B-4510 | [3] | LOCKWASHER | ||
| Y | SEPARATE ILLUSTRATION | |||
#UEG0618S0432
5D-6370: STEERING GEAR GROUP
5D6370 STEERING GEAR GROUP--Part 3 of 3--Type 3
Part of 8D2420 Arrangement listed on Page 183
Part of 8D2420 Arrangement listed on Page 183
For full view, you need register
Parts for your 623 WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 0S-1571 | [4] | BOLT | ||
| 3B-4506 | [4] | LOCKWASHER | ||
| 3K-0925 C | [4] | SPACER | ||
| 1P-7115 | [4] | GROMMET ASSEM. | ||
| 8F-9836 C | [4] | LUG | ||
| (Part of Support Assem. 8D5817) | ||||
| 5F-6436 | [1] | HOUSING ASSEM. | ||
| 5F-3728 | [2] | BEARING | ||
| (PART OF HOUSING ASSEM 5F6436) | ||||
| 7M-8930 | [1] | SEAL | ||
| 3B-4518 | [1] | LOCKWASHER | ||
| 0L-0702 | [1] | NUT | ||
| 5D-6266 | [1] | LEVER ASSEM. | ||
| 1B-8722 | [1] | KEY | ||
| 7B-0503 | [1] | BALL STUD | ||
| (PART OF LEVER ASSEM. 5D6266) | ||||
| 0S-1585 | [2] | BOLT | ||
| 1D-4719 | [2] | NUT | ||
| 3B-4508 | [2] | LOCKWASHER | ||
| 4B-4280 | [2] | WASHER | ||
| 0S-1594 | [2] | BOLT | ||
| 3B-4506 | [2] | LOCKWASHER | ||
| 9F-2978 | [2] | NUT | ||
| (Part of 8D5817 Assem.) | ||||
| 8D-5817 | [1] | SUPPORT ASSEM. | ||
| 7B-3235 | [6] | BOLT | ||
| 5L-5180 | [6] | WASHER | ||
| 5F-6545 | [1] | GASKET | ||
| 4B-3596 | [1] | SCREW (2" LONG) | ||
| 2H-3789 | [1] | NUT | ||
| 0L-1213 | [1] | GASKET | ||
| 0S-1588 | [1] | BOLT | ||
| 7B-0280 | [1] | SEAL | ||
| 7F-9559 | [1] | BEARING | ||
| (PART OF HOUSING ASSEM 5D373) | ||||
| 5D-0373 | [1] | HOUSING ASSEM | ||
| 7F-9558 | [1] | BEARING | ||
| (PART OF HOUSING ASSEM 5D373) | ||||
| 5H-6968 | [1] | LEVER | ||
| C | INDICATES CHANGE | |||
#UEG0618S0433
6D-8070: DIFFERENTIAL CASE AND COVERS GROUP
6D8070 DIFFERENTIAL CASE AND COVERS GROUP--Part 1 of 2--Type 1
Part of 8D2420 Hitch, Steering and Hydraulic Arrangement listed on Page 183
Part of 8D2420 Hitch, Steering and Hydraulic Arrangement listed on Page 183
For full view, you need register
Parts for your 623 WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 7D-4866 | [1] | CASE AND FRAME ASSEM. | |
| 6D-7961 | [1] | CASE ASSEM. | ||
| 2. | 6B-6946 | [1] | BOSS | |
| 3. | 8F-9836 | [2] | LUG | |
| 4. | 3J-8154 | [2] | STUD | |
| 5. | 2D-8822 | [3] | STUD | |
| 6. | 2M-4779 | [2] | STUD | |
| 7. | 3D-2871 | [3] | STUD | |
| 8. | 5D-5762 | [1] | FRAME ASSEM. (L.H.) | |
| 9. | 5D-5761 | [1] | FRAME ASSEM. (R.H.) | |
| 10. | 2D-7714 | [2] | BUSHING | |
| 11. | 3J-0375 | [2] | SEAL | |
| 12. | 4D-6473 | [2] | DOWEL | |
| 13. | 9M-2151 | [12] | STUD | |
| 14. | 4D-6579 | [44] | STUD | |
| 15. | 1A-1593 | [6] | STUD | |
| 16. | 0T-0305 | [6] | STUD | |
| 17. | 6D-3779 | [2] | SPACER | |
| 18. | 4D-9835 | [19] | STUD | |
| 19. | 7D-5485 | [1] | GUSSET (R.H.) | |
| 20. | 7D-5486 | [1] | GUSSET (L.H.) | |
| 21. | 7D-5471 | [2] | PLATE | |
| 22. | 7D-5477 | [1] | PLATE (R.H.) | |
| 23. | 7D-5478 | [1] | PLATE (L.H.) | |
| 24. | 7D-5468 | [2] | REINFORCEMENT | |
| 25. | 3H-0019 | [3] | CLIP | |
| 26. | 1D-4717 | [14] | NUT | |
| 27. | 3B-4506 | [14] | LOCKWASHER |
#UEG0618S0434
6D-8070: DIFFERENTIAL CASE AND COVERS GROUP
6D8070 DIFFERENTIAL CASE AND COVERS GROUP--Part 2 of 2--Type 1
Part of 8D2420 Hitch, Steering and Hydraulic Arrangement listed on Page 183
Part of 8D2420 Hitch, Steering and Hydraulic Arrangement listed on Page 183
For full view, you need register
Parts for your 623 WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 6D-6144 | [1] | CAP | |
| 2. | 4D-0306 | [1] | GASKET | |
| 3. | 4H-6112 | [1] | BREATHER | |
| 4. | 4D-0189 | [1] | GUIDE ASSEM. | |
| 1F-4738 | [1] | GASKET | ||
| 5. | 6D-5410 | [1] | PLUNGER ASSEM. | |
| 6. | 7F-6289 | [1] | ELBOW | |
| 7. | 2D-0058 | [3] | UNION | |
| 8. | 5D-7525 | [1] | HOSE ASSEM. (49.38" Long Overall) | |
| 9. | 7B-3063 | [1] | ADAPTER | |
| 10. | 1A-2029 | [2] | BOLT | |
| 11. | 3B-4506 | [4] | LOCKWASHER | |
| 12. | 6B-7639 | [1] | TEE | |
| 13. | 4D-0179 | [1] | BRACKET | |
| 14. | 1F-3542 | [1] | BREATHER | |
| 2F-2318 | [1] | HOOD ASSEM. | ||
| 15. | 8F-5437 | [1] | ELEMENT ASSEM. | |
| 16. | 9B-8714 | [1] | SKIRT ASSEM. | |
| 17. | 5D-7524 | [1] | HOSE ASSEM. (17.62" Long Overall) | |
| 18. | 5D-5973 | [1] | PLUNGER ASSEM. | |
| 19. | 4D-6865 | [1] | GUIDE ASSEM. | |
| 1F-4738 | [1] | GASKET | ||
| 20. | 0S-1594 | [2] | BOLT | |
| 21. | 4D-0309 | [1] | CAP | |
| 22. | 6F-5188 | [1] | GASKET | |
| 23. | 8B-6599 | [2] | PLUG | |
| 0L-1124 | [2] | GASKET | ||
| 24. | 6D-5408 | [1] | COVER ASSEM. | |
| 25. | 6D-5407 | [1] | GASKET | |
| 26. | 2B-0947 | [6] | BOLT | |
| 3B-4508 | [6] | LOCKWASHER | ||
| 27. | 6D-5406 | [1] | CAGE |
#UEG0618S0435
6D-8070: DIFFERENTIAL CASE AND COVERS GROUP
6D8070 DIFFERENTIAL CASE AND COVERS GROUP--Part 1 of 2--Type 2
Part of 8D2420 Hitch, Steering and Hydraulic Arrangement listed on Page 183
Part of 8D2420 Hitch, Steering and Hydraulic Arrangement listed on Page 183
For full view, you need register
Parts for your 623 WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 7D-4866 | [1] | CASE AND FRAME ASSEM. | |
| 7D-4568 | [1] | REINFORCEMENT | ||
| 6D-7961 | [1] | CASE ASSEM. | ||
| 2. | 6B-6946 | [1] | BOSS | |
| 3. | 8F-9836 | [2] | LUG | |
| 4. | 3J-8154 | [2] | STUD | |
| 5. | 8D-9942 C | [1] | PLATE | |
| 6. | 2M-4779 | [2] | STUD | |
| 7. | 3D-2871 | [3] | STUD | |
| 8. | 5D-5762 | [1] | FRAME ASSEM. (L.H.) | |
| 9. | 5D-5761 | [1] | FRAME ASSEM. (R.H.) | |
| 10. | 9D-0441 | [2] | BUSHING | |
| 11. | 3J-0375 | [2] | SEAL | |
| 12. | 4D-6473 | [2] | DOWEL | |
| 13. | 9M-2151 | [12] | STUD | |
| 14. | 4D-6579 | [44] | STUD | |
| 15. | 1A-1593 | [6] | STUD | |
| 16. | 0T-0305 | [6] | STUD | |
| 17. | 6D-3779 | SPACER | ||
| 18. | 4D-9835 | [10] | STUD | |
| 19. | 7D-5485 | [1] | GUSSET (R.H.) | |
| 20. | 6M-4016 C | [1] | LUG | |
| 21. | 7D-5471 | [2] | PLATE | |
| 22. | 7D-5477 | [1] | PLATE (R.H.) | |
| 23. | 7D-5478 | [1] | PLATE (L.H.) | |
| 24. | 0S-1756 C | [4] | BOLT | |
| 5H-1504 | [4] | LOCKWASHER | ||
| 25. | 3H-0019 | [3] | CLIP | |
| 26. | 1D-4717 | [14] | NUT | |
| 27. | 3B-4506 | [14] | LOCKWASHER | |
| 28. | 9D-2059 C | [1] | SUPPORT ASSEM. (L.H.) | |
| 9D-2061 | [1] | SUPPORT ASSEM. (R.H.) | ||
| (Each Includes) | ||||
| 29. | 1D-4585 | [2] | BOLT | |
| 4D-3704 | [2] | LOCKWASHER | ||
| C | INDICATES CHANGE | |||
#UEG0618S0436
6D-8070: DIFFERENTIAL CASE AND COVERS GROUP
6D8070 DIFFERENTIAL CASE AND COVERS GROUP--Part 2 of 2--Type 2
Part of 8D2420 Hitch, Steering and Hydraulic Arrangement listed on Page 183
Part of 8D2420 Hitch, Steering and Hydraulic Arrangement listed on Page 183
For full view, you need register
Parts for your 623 WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 6D-6144 | [1] | CAP | |
| 2. | 4D-0306 | [1] | GASKET | |
| 3. | 4H-6112 | [1] | BREATHER | |
| 4. | 4D-0189 | [1] | GUIDE ASSEM. | |
| 1F-4738 | [1] | GASKET | ||
| 5. | 6D-5410 | [1] | PLUNGER ASSEM. | |
| 6. | 7F-6289 | [1] | ELBOW | |
| 7. | 2D-0058 | [3] | UNION | |
| 8. | 5D-7525 | [1] | HOSE ASSEM. (49.38 in. long) | |
| 9. | 7B-3063 | [1] | ADAPTER | |
| 10. | 1A-2029 | [2] | BOLT | |
| 11. | 3B-4506 | [4] | LOCKWASHER | |
| 12. | 6B-7639 | [1] | TEE | |
| 13. | 4D-0179 | [1] | BRACKET | |
| 14. | 1F-3542 | [1] | BREATHER | |
| 2F-2318 | [1] | HOOD ASSEM. | ||
| 15. | 8F-5437 | [1] | ELEMENT ASSEM. | |
| 16. | 9B-8714 | [1] | SKIRT ASSEM. | |
| 17. | 5D-7524 | [1] | HOSE ASSEM. (17.62 in. long) | |
| 18. | 5D-5973 | [1] | PLUNGER ASSEM. | |
| 19. | 4D-6865 | [1] | GUIDE ASSEM. | |
| 1F-4738 | [1] | GASKET | ||
| 20. | 0S-1594 | [2] | BOLT | |
| 21. | 4D-0309 | [1] | CAP | |
| 22. | 6F-5188 | [1] | GASKET | |
| 23. | 8B-6599 | [2] | PLUG | |
| 0L-1124 | [2] | GASKET | ||
| 24. | 6D-5408 | [1] | COVER ASSEM. | |
| 25. | 6D-5407 | [1] | GASKET | |
| 26. | 2B-0947 | [6] | BOLT | |
| 3B-4508 | [6] | LOCKWASHER | ||
| 27. | 6D-5406 | [1] | CAGE | |
| 28. | 3H-0120 | [2] | ELBOW | |
| 29. | 7K-5108 | [2] | HOSE ASSEM. | |
| 30. | 6K-9793 | [1] | CLIP | |
| 31. | 2R-1922 | [2] | UNION | |
| 32. | 3B-8485 | [2] | FITTING |
#UEG0618S0437
5D-6238: LINK GROUP
5D6238 LINK GROUP
Part of 5D6370 Steering Gear Group shown on Page 196
Part of 5D6370 Steering Gear Group shown on Page 196
For full view, you need register
Parts for your 623 WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 2K-0838 | [1] | PLUG | ||
| 2K-0840 | [1] | SPACER | ||
| 2K-0841 | [1] | SPRING | ||
| 2K-0842 | [2] | SEAT | ||
| 2K-0839 | [1] | SEAT | ||
| (Parts of 7D9124 Assem.) | ||||
| 1D-6306 | [2] | NUT | ||
| 2H-6886 | [1] | NUT | ||
| 9M-4148 | [1] | NUT | ||
| 1B-4333 | [1] | NUT | ||
| 3B-8488 | [1] | FITTING | ||
| 7D-9124 C | [1] | LINK ASSEM. | ||
| 3B-4632 | [1] | COTTER PIN | ||
| (Part of 7D9124 Assem.) | ||||
| 2K-0838 | [1] | PLUG | ||
| 2K-0841 | [1] | SPRING | ||
| (Parts of 5D7911 Socket Assem.) | ||||
| 5D-7911 | [1] | SOCKET ASSEM. | ||
| 0S-1601 | [1] | BOLT | ||
| 1B-4206 | [1] | NUT | ||
| 3B-4510 | [1] | LOCKWASHER | ||
| (Parts of 5D7911 Socket Assem.) | ||||
| 9M-4157 | [1] | STOP | ||
| 9M-4153 | [2] | RETAINER | ||
| 9M-4154 | [1] | RETAINER ASSEM. | ||
| 9M-4150 | [1] | ROD ASSEM. | ||
| 9M-4158 | [1] | STOP | ||
| 2D-9989 | [1] | SEAT | ||
| 2K-0842 | [2] | SEAT | ||
| (Parts of 5D7911 Socket Assem.) | ||||
| 7M-2923 | [2] | SPRING | ||
| 3B-8488 | [1] | FITTING | ||
| C | INDICATES CHANGE | |||
#UEG0618S0438
8D-3175: MOUNTING AND CYLINDER GROUP
8D3175 MOUNTING AND CYLINDER GROUP
Part of 8D3190 Frame and Case Group shown on Pages 200, 201A & 201D
5J7977 Steering Cylinder parts are shown on Page 129
Part of 8D3190 Frame and Case Group shown on Pages 200, 201A & 201D
5J7977 Steering Cylinder parts are shown on Page 129
For full view, you need register
Parts for your 623 WHEEL TRACTOR:
CATERPILLAR SIS#UEG0618S0439
8D-3190: FRAME AND CASE GROUP
8D3190 FRAME AND CASE GROUP--Part 1 of 2--Type 1--Factory Installation
8D3175 Mounting and Cylinder parts are shown on Page 199
FOR USE WITH ROLL-OVER PROTECTIVE STRUCTURE AND CUSHION HITCH
8D3175 Mounting and Cylinder parts are shown on Page 199
FOR USE WITH ROLL-OVER PROTECTIVE STRUCTURE AND CUSHION HITCH
For full view, you need register
Parts for your 623 WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 0S-0509 | [4] | BOLT | |
| 0T-0431 | [4] | WASHER | ||
| 2. | 3B-4506 | [7] | LOCKWASHER | |
| 3. | 1D-4609 | [3] | BOLT | |
| 3B-4512 | [3] | LOCKWASHER | ||
| 4. | 8D-0521 | [1] | PLATE | |
| 5. | 7D-0096 | [1] | PLATE ASSEM. | |
| 6. | 8D-0482 | [2] | GROMMET | |
| 7. | 3B-3813 | [1] | BOX ASSEM. (Tool) | |
| 8. | 4B-6067 | [1] | ELBOW | |
| 9. | 8D-0489 | [1] | PLATE ASSEM. | |
| 10. | 2D-1290 | [1] | GROMMET | |
| 11. | 7D-6106 | [1] | HOSE ASSEM. (36.50" long overall) | |
| 12. | 0S-1594 | [3] | BOLT | |
| 4B-4278 | [3] | WASHER | ||
| 13. | 8D-3547 | [1] | ANGLE ASSEM. | |
| 14. | 9F-2978 | [3] | NUT | |
| 15. | 8D-0494 | [1] | PLATE | |
| 16. | 8D-3544 | [1] | PLATE | |
| 17. | 8D-3175 Y | [1] | CYLINDER GROUP | |
| (Separate Illustration) | ||||
| Y | SEPARATE ILLUSTRATION | |||
