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5S1003 PRESSURE CONTROL GROUP Serial No. 76J1 to 76J3785, 3791, 3794 to 3797, 3801, 3802, 3805, 3807, 3810, 3812, 3813, 3817, 3819, 3841 & 76J3842 inclusive & 30K1 to 30K1241 inclusive. Part of Transmission Hydraulic Control shown on Pages 68A and 69 966C




POWER TRAIN

VALVE GP-SELECTOR & PRESS CONT
 

#UE0700900220
 

5S-1003: PRESSURE CONTROL GROUP

5S1003 PRESSURE CONTROL GROUP
Serial No. 76J1 to 76J3785, 3791, 3794 to 3797, 3801, 3802, 3805, 3807, 3810, 3812, 3813, 3817, 3819,
3841 & 76J3842 inclusive & 30K1 to 30K1241 inclusive. Part of Transmission Hydraulic Control shown on Pages 68A and 69
c102805 UE070090
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Parts for your 966C WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7S-4609 [1] SPOOL ASSEM.  
2. 3D-8317 [1] RING  
3. 8M-1013 [1] RETAINER  
4. 4M-2381 [1] SPRING  
5. 1S-2121 [1] PLUNGER  
6. 5M-8009 [1] PIN  
    (Parts of 7S4609 Spool Assem.)
7. 7M-1396 [1] SPACER (.062" Thick)  
  7M-1397 [2] SPACER (.036" Thick)  
  7S-4584 [3] SPACER (.010" Thick)  
8. 7S-4596 [1] SPRING (Outer)  
9. 7S-4595 [1] SPRING (Inner)  
10. 5S-4317 [1] BODY  
11. 7S-4594 [1] PISTON  
12. 8M-4987 [2] SEAL  
13. 5S-4308 [1] COVER  
14. 5S-4310 [1] STOP  
15. 3S-9950 [1] SPRING  
16. 1T-0414 [9] BOLT  
  9M-1974 [9] WASHER  
17. 8M-4988 [1] SEAL  
18. 3S-9951 [1] WASHER  
19. 3S-9949 [1] SPRING  
20. 5S-1014 [1] SPOOL  
21. 8S-3354 [1] SPOOL  
22. 5M-6214 [3] PLUG  
23. 7B-9411 [1] SPRING  
24. 7S-6874 [1] STOP  
25. 7S-4590 [1] COVER  
26. 5S-7906 [1] STOP  
27. 8S-3388 [1] SPOOL  
28. 5M-2504 [1] SLUG  
29. 8H-5244 [1] DOWEL  
30. 7S-6873 [1] STOP  
31. 2M-7041 [1] SLUG  
 

#UE0700900221
 

5S-1003: PRESSURE CONTROL GROUP

5S1003 PRESSURE CONTROL GROUP
Serial No. 76J3786 to 3790, 3792, 3793, 3798 to 3800, 3803, 3804, 3806, 3808, 3809, 3811, 3814 to
3816, 3818, 3820 to 3840, 3843, to 4963, 4970 to 76J4972 inclusive and 30K1242 to 1364 and 30K1366
inclusive. Part of Transmission Hydraulic Control shown on Pages 69 and 69B
c133205 UE070090
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Parts for your 966C WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-5287 [1] SPOOL ASSEM.  
2. 3D-8317 [1] RING  
3. 8M-1013 [1] RETAINER  
4. 4M-2381 [1] SPRING  
5. 1S-2121 [1] PLUNGER  
6. 5M-8009 [1] PIN  
    (Parts of 9S5287 Assem.)
7. 7M-1396 [1] SPACER (.062" Thick)  
  7M-1397 [2] SPACER (.036" Thick)  
  5M-3492 [3] SPACER (.010" Thick)  
8. 7S-4596 [1] SPRING (Outer)  
9. 7S-4595 [1] SPRING (Inner)  
10. 5S-4317 [1] BODY  
11. 7S-4594 [1] PISTON  
12. 1S-9799 [2] SEAL  
13. 1P-4128 [1] COVER  
14. 5S-4310 [1] STOP  
15. 3S-9950 [1] SPRING  
16. 1T-0414 [9] BOLT  
  9M-1974 [9] WASHER  
17. 8M-4988 [1] SEAL  
18. 3S-9951 [1] WASHER  
19. 3S-9949 [1] SPRING  
20. 5S-1014 [1] SPOOL  
21. 1P-0561 [1] SPOOL  
22. 5M-6214 [3] PLUG  
23. 1P-9602 [1] SPRING  
24. 7S-6874 [1] STOP  
25. 7S-4590 [1] COVER  
26. 5S-7906 [1] STOP  
27. 8S-3388 [1] SPOOL  
28. 5M-2504 [1] SLUG  
29. 8H-5244 [1] DOWEL  
30. 9S-4416 [1] STOP  
31. 2M-7041 [1] SLUG  
 

#UE0700900222
 

5S-1003: PRESSURE CONTROL GROUP

5S1003 PRESSURE CONTROL GROUP
Serial No. 76J4964 to 4969 and 76J4973-Up and 30K1365, 30K1367-Up
Part of Transmission Hydraulic Control shown on Page 69B
c137947 UE070090
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Parts for your 966C WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-5287 [1] SPOOL ASSEM.  
2. 3D-8317 [1] RING  
3. 8M-1013 [1] RETAINER  
4. 4M-2381 [1] SPRING  
5. 1S-2121 [1] PLUNGER  
6. 5M-8009 [1] PIN  
7. 7M-1396 [1] SPACER (.062" Thick)  
  7M-1397 [2] SPACER (.036" Thick)  
  5M-3492 [3] SPACER (.010" Thick)  
8. 7S-4596 [1] SPRING (Outer)  
9. 7S-4595 [1] SPRING (Inner)  
10. 5S-4317 [1] BODY  
11. 7S-4594 [1] PISTON  
12. 1S-9799 [2] SEAL  
13. 1P-4128 [1] COVER  
14. 5S-4310 [1] STOP  
15. 3S-9950 [1] SPRING  
16. 1T-0414 [7] BOLT  
  9M-1974 [7] WASHER  
17. 8M-4988 [1] SEAL  
18. 3S-9951 [1] WASHER  
19. 3S-9949 [1] SPRING  
20. 5S-1014 [1] SPOOL  
21. 1P-0561 [1] SPOOL  
22. 5M-6214 [3] PLUG  
23. 1P-9602 [1] SPRING  
24. 7S-6874 [1] STOP  
25. 2P-1950 [1] COVER  
26. 5S-7906 [1] STOP  
27. 8S-3388 [1] SPOOL  
28. 5M-2504 [1] SLUG  
29. 8H-5244 [1] DOWEL  
30. 2P-1951 [1] STOP  
31. 2M-7041 [1] SLUG  
32. 1P-9620 [1] RING  
 

#UE0700900223
 

5S-4359: TRANSMISSION PUMP GROUP

5S4359 TRANSMISSION PUMP GROUP
Serial No. 76J1 to 76J5374 inclusive and 30K1 to 30K1418 inclusive. Part of 5S4402
and 1P5256 Power Shift Transmission Arrangements shown on Pages 62, 62B
and 62D
c102300 UE070090
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Parts for your 966C WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  8M-8489 [4] DOWEL  
  5B-0213 [2] BOLT  
  3S-0004 [2] WASHER  
  9M-8282 [1] GEAR (12 Teeth)  
  1M-3780 [2] BEARING  
    (Part of Cover Assem. 2S1454)
  1M-3780 [2] BEARING  
    (Part of Cover Assem. 5S4358)
  0S-1590 [4] BOLT  
  3S-0004 [4] WASHER  
  5M-7908 [1] PLUG ASSEM.  
  3J-1907 [1] SEAL  
    (Part of Plug Assem. 5M7908)
  2S-1454 [1] COVER ASSEM.  
  9M-8281 [1] GEAR (12 Teeth)  
  5S-4358 [1] COVER ASSEM.  
  8M-5007 [2] SEAL  
  9M-2209 [1] BODY  
  8M-8489 [2] DOWEL  
    (Part of Cover Assem. 5S4358)
 

#UE0700900224
 

2S-6457: FILTER GP-TRANSMISSION

2S6457 TRANSMISSION FILTER GROUP
Serial No. 76J1 to 5650, 5653, 5655, 5659, 5665, 5666, 5669 and 76J5680 inclusive
and 30K1 to 1478, 1481 and 30K1487 inclusive. Part of 5S4402, 1P5256 and 2P2940
Power Shift Transmission Arrangements shown on Pages 62A, 62C, 62E and 63
c101811 UE070090
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Parts for your 966C WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7B-3235 [6] BOLT  
2. 7S-8700 [1] COVER ASSEM.  
3. 3S-4398 [1] STUD  
    (Part of 7S8700 Cover Assem.)
4. 2H-3928 [1] SEAL  
5. 5K-1770 [1] SEAL  
6. 2H-3788 [1] NUT  
7. 4S-5858 [1] PLUG ASSEM.  
8. 7M-8485 [1] SEAL  
    (Part of 4S5858 Plug Assem.)
9. 8F-8882 [2] SEAL  
10. 2S-6462 [1] RETAINER  
11. 2S-6459 [1] HOUSING  
12. 9M-9740 [1] ELEMENT ASSEM. (Disposable)  
13. 2S-6466 [1] SPOOL  
14. 4M-7945 [1] SPRING  
15. 5M-7908 [1] PLUG ASSEM.  
  3J-1907 [1] SEAL  
    (Part of 5M7908 Plug Assem.)
16. 4S-8566 [1] PLUG ASSEM.  
  3D-2824 [1] SEAL  
    (Part of 4S8566 Plug Assem.)
 

#UE0700900225
 

1P-4231: GEAR PUMP GROUP

1P4231 GEAR PUMP GROUP
Serial No. 76J5375-Up and 30K1419-Up
Part of 2P2940 Power Shift Transmission Arrangement shown on Page 62F
c139123 UE070090
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Parts for your 966C WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  8M-8489 [4] DOWEL  
    (Part of 5S4385 Assem)
  4L-6459 [2] BOLT  
  3S-0004 [2] WASHER  
  1P-4230 [1] GEAR (12 Teeth)  
  1M-3780 [2] BEARING  
    (Part of 2S1454 Assem.)
  1M-3780 [2] BEARING  
    (Part of 2S4358 Assem.)
  0L-2070 [4] BOLT  
  3S-0004 [4] WASHER  
  9S-4191 [1] PLUG  
  3J-1907 [1] SEAL  
  2S-1454 [1] COVER ASSEM.  
  5S-4383 [1] GEAR (12 Teeth)  
  5S-4358 [1] COVER ASSEM.  
  8M-5007 [2] SEAL  
  5S-4385 [1] BODY ASSEM.  
  8M-8489 [2] DOWEL  
    (Part of 5S4358 Assem.)
 

#UE0700900226
 

2S-6457: FILTER GP-TRANSMISSION

2S6457 TRANSMISSION FILTER GROUP
Serial No. 76J5651, 5652, 5654, 5656 to 5658, 5660 to 5664, 5667, 5668, 5670 to
5679 and 76J5681-Up and 30K1479, 1480, 1482 to 1486 and 30K1488-Up. Part of
5S4402, 1P5256 and 2P2940 Power Shift Transmission Arrangements shown on
Pages 62A, 62C, 62E and 63
c215432 UE070090
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Parts for your 966C WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7B-3235 [6] BOLT  
2. 7S-8700 [1] COVER ASSEM.  
    (Includes)
3. 3S-4398 [1] STUD  
4. 2H-3928 [1] SEAL  
5. 5K-1770 [1] SEAL  
6. 2H-3788 [1] NUT  
7. 9S-4205 C [1] PLUG  
8. 7M-8485 C [1] SEAL  
9. 8F-8882 [2] SEAL  
10. 2S-6462 [1] RETAINER  
11. 2P-2042 C [1] HOUSING  
12. 9M-9740 [1] ELEMENT ASSEM. (disposable)  
    -OR-
  3G-3467 H [1] ELEMENT  
    (Fire Resistant Fluid)
13. 1P-9600 C [1] SPOOL  
14. 9M-1986 C [1] SPRING  
15. 9S-4191 C [1] PLUG  
  3J-1907 C [1] SEAL  
16. 9S-8008 C [1] PLUG  
  3D-2824 C [1] SEAL  
  C   INDICATES CHANGE
  H   NOT PART OF 2S6457 GROUP
 

#UE0700900227
 

4K-6144: DRIVE SHAFT GP

DRIVE SHAFT (4K6144 N/S)
Serial No. 76J1 to 76J3772 inclusive and 30K1 to 30K1240 inclusive
7K440 Universal Joint parts are shown on Page 75B
c123494 UE070090
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Parts for your 966C WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  4K-7426 [1] COVER  
  2S-2680 [1] SEAL  
  3K-0196 [1] GUARD  
    (Part of Yoke Assem. 7K449)
  2H-3088 [1] SEAL  
  4K-7295 [1] WASHER  
  0S-1595 [3] BOLT  
  4K-7294 [1] LOCK  
  7K-0449 [1] YOKE ASSEM.  
  5K-4301 [12] BOLT  
  4S-8743 LOCKWIRE 5 Feet  
  5K-4298 [1] SHAFT ASSEM.  
  6H-2577 [2] SPIDER AND BEARING ASSEM.  
  4H-3947 [2] FITTING  
  6H-2578 [8] SEAL ASSEM.  
    (1/2 of each in each Spider and Bearing Assem. 6H2577)
  0S-1579 [8] BOLT  
  3B-4508 [8] LOCKWASHER  
  5K-4299 [1] YOKE  
  6K-4599 [1] YOKE ASSEM.  
  3K-0986 [1] PLUG  
    (Part of Yoke Assem. 6K4599)
  3K-0196 [1] GUARD  
  7K-0440 Y [1] JOINT ASSEM.  
    (See Separate Illustration)
  0S-0484 [8] BOLT (2.25" Long)  
  3B-4508 [8] LOCKWASHER  
  3B-8486 [1] FITTING  
  1A-5822 [4] BOLT  
  1D-4719 [4] NUT  
  3B-4508 [4] LOCKWASHER  
  8B-2540 [2] CORK  
  4K-7420 [1] RETAINER  
  5F-3144 [1] SEAL  
  8F-3170 [1] BEARING  
  5K-2595 [1] SEAL  
  0S-1591 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  3K-0196 [1] GUARD  
  5K-0737 [1] TUBE  
  3B-9054 [2] FITTING  
  8F-8996 [2] NUT  
    (1 in each Fitting 3B9054)
  7K-0441 [1] SHAFT ASSEM.  
  7K-0445 [1] SHAFT ASSEM.  
  3B-8486 [2] FITTING  
  7K-0442 [1] SPIDER AND BEARING ASSEM.  
  7K-0548 [4] BOLT  
  4S-8745 LOCKWIRE 2 Feet  
  3K-0196 [1] GUARD  
  7K-0450 [1] YOKE ASSEM.  
  3K-0986 [1] PLUG  
    (Part of Yoke Assem. 7K450)
  Y   SEPARATE ILLUSTRATION
 

#UE0700900228
 

4K-6144: DRIVE SHAFT GP

DRIVE SHAFT (4K6144 N/S)
Serial No. 76J3773 to 76J4054 and 76J4242-Up and 30K1241 to 30K1252 and 30K1263-Up
7K7613 Universal Joint parts are shown on Pages 75B and 76
c146217 UE070090
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Parts for your 966C WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  4K-7426 [1] COVER  
  5K-2595 [1] SEAL  
  3K-0196 [1] GUARD  
    (Part of Yoke Assem. 7K449)
  2H-3088 [1] SEAL  
  4K-7295 [1] WASHER  
  0S-1595 [3] BOLT  
  4K-7294 [1] LOCK  
  7K-0449 [1] YOKE ASSEM.  
  5K-4301 [12] BOLT  
  4S-8743 LOCKWIRE 5 Feet  
  5K-4298 [1] SHAFT ASSEM.  
  6H-2577 [2] SPIDER AND BEARING ASSEM.  
  4H-3947 [2] FITTING  
  6H-2578 [8] SEAL ASSEM.  
    (1/2 of each in each Spider and Bearing Assem. 6H2577)
  0S-1579 [8] BOLT  
  5K-4299 [1] YOKE  
  6K-4599 [1] YOKE ASSEM.  
  3K-0986 [1] PLUG  
    (Part of Yoke Assem. 6K4599)
  3K-0196 [1] GUARD  
  7K-7613 Y [1] JOINT ASSEM.  
    (Separate Illustration)
  0S-0484 [8] BOLT (2.25 in. long)  
  3B-4508 [8] LOCKWASHER  
  3B-8486 [1] FITTING  
  1A-5822 [4] BOLT  
  1D-4719 [4] NUT  
  3B-4508 [4] LOCKWASHER  
  8B-2540 [2] CORK  
  4K-7420 [1] RETAINER  
  5F-3144 [1] SEAL  
  8F-3170 [1] BEARING  
  5K-2595 [1] SEAL  
  0S-1591 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  3K-0196 [1] GUARD  
  5K-0737 [1] TUBE  
  3B-9054 [2] FITTING  
  8F-8996 [2] NUT  
    (1 in each Fitting 3B9054)
  8K-5453 [1] SHAFT ASSEM.  
  3B-8486 [2] FITTING  
  1V-3639 C [1] SPIDER AND BEARING ASSEM.  
  4H-3947 [2] FITTING  
    (Part of 1V3639 Assem.)
  7K-0548 [4] BOLT  
  4S-8743 LOCKWIRE 2 Feet  
  3K-0196 [1] GUARD  
  7K-0450 [1] YOKE ASSEM.  
  3K-0986 [1] PLUG  
    (Part of Yoke Assem. 7K4501)
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UE0700900229
 

4K-6144: DRIVE SHAFT GP

DRIVE SHAFT (4K6144 N/S)
Serial No. 76J4055 to 76J4241 inclusive and 30K 1253 to 30K 1262 inclusive
7K440 Universal Joint parts are shown on Page 75B
c115470 UE070090
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Parts for your 966C WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4K-7295 [1] WASHER  
2. 0S-1595 [3] BOLT  
  4K-7294 [1] LOCK  
3. 2H-3088 [1] SEAL  
4. 7K-0449 [1] YOKE ASSEM.  
5. 3K-0196 [1] GUARD  
6. 5K-2595 [1] SEAL  
7. 4K-7426 [1] COVER  
8. 8B-2540 [2] CORK  
9. 5F-3144 [1] SEAL  
10. 4K-7420 [1] RETAINER  
11. 8F-3170 [1] BEARING  
12. 3K-0196 [2] GUARD  
13. 5K-2595 [1] SEAL  
14. 3B-9054 [2] FITTING  
  8F-8996 [2] NUT  
15. 5K-0737 [1] TUBE  
16. 8K-5453 [1] SHAFT ASSEM.  
17. 7K-0442 [1] SPIDER AND BEARING ASSEM.  
18. 3B-8486 [3] FITTING  
19. 7K-0450 [1] YOKE ASSEM.  
  3K-0986 [1] PLUG  
20. 4K-7502 C [4] BOLT  
21. 1A-5822 [4] BOLT  
  1D-4719 [4] NUT  
  3B-4508 [4] LOCKWASHER  
22. 7K-0440 Y [1] JOINT ASSEM.  
    (Separate Illustration)
23. 0S-1579 C [20] BOLT  
24. 5K-4298 [1] SHAFT ASSEM.  
  6H-2577 [2] SPIDER AND BEARING ASSEM.  
25. 6H-2578 [8] SEAL ASSEM.  
26. 4H-3947 [2] FITTING  
27. 5K-4299 [1] YOKE  
28. 0S-1579 [8] BOLT  
  3B-4508 [8] LOCKWASHER  
29. 6K-4599 [1] YOKE ASSEM.  
  3K-0986 [1] PLUG  
30. 0S-1591 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

Information:

Caterpillar Parts SIS Catalog 966C :

Truck sale:

 
Caterpillar 966C
- Wheel Loaders
PETERSON TRACTOR CO
30,547 
Caterpillar 966C, Wheel Loaders, Construction
- Wheel Loaders
FINNING CANADA
28.000 
Caterpillar 966C, Wielladers, Bouw
- Wheel loaders
MICHIGAN CAT
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