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TRANSMISSION HYDRAULIC CONTROL (7S8600 N/S) Part of 4S8595 Transmission Arrangement shown on Page 52 7S8610 Valve and 7S8620 Control parts are shown on Pages 62 & 63 12F


POWER TRAIN
CONTROL GP-TRANSMISSION HYD
OPERATOR STATION
CONTROL GP-TRANSMISSION
POWER TRAIN
VALVE GP-SELECTOR & PRESS CONT
GEAR GP
LINES GP-POWER TRAIN OIL
FILLER GP-POWER TRAIN OIL


POWER TRAIN

CONTROL GP-TRANSMISSION HYD
 

#UEG0756S0080
 

7S-8600: TRANSMISSION HYDRAULIC CONTROL

TRANSMISSION HYDRAULIC CONTROL (7S8600 N/S)
Part of 4S8595 Transmission Arrangement shown on Page 52
7S8610 Valve and 7S8620 Control parts are shown on Pages 62 & 63
c111763 UEG0756S
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Parts for your 12F MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1S-7462 [2] SEAL  
2. 4S-8636 [1] SLEEVE  
3. 4S-8573 [1] RETAINER  
4. 1T-0416 [2] BOLT  
5. 9M-1974 [34] WASHER  
6. 3S-1322 [1] SLEEVE  
  8M-4432 [2] SEAL  
7. 8M-4445 [5] SEAL  
8. 4S-5845 [30] BOLT  
9. 8S-6190 [1] PLATE ASSEM.  
  7B-0471 [2] PIN  
    (Part of 8S6190 Plate Assem.)
10. 7S-8620 Y [1] PRESSURE CONTROL GROUP  
    (See Separate Illustration)
11. 7S-8602 [1] PLATE DIVIDER  
12. 0S-1571 [2] BOLT  
13. 5M-2894 [9] WASHER  
14. 7S-8494 [1] LEVER ASSEM.  
15. 7S-8489 [1] DOWEL  
    (Part of 7S8494 Lever Assem.)
16. 1S-9809 [2] BOLT  
17. 9M-8186 [2] WASHER  
18. 5S-0957 [1] SHAFT  
19. 1M-8147 [2] RING  
20. 9H-0223 [2] SEAL  
21. 5S-0956 [1] SHAFT  
22. 7S-8605 [1] MANIFOLD  
23. 2S-0484 [3] SLEEVE  
24. 7S-8610 Y [1] SELECTOR CONTROL GROUP  
    (See Separate Illustration)
25. 0S-1591 [4] BOLT  
26. 5S-0960 [1] CAM ASSEM.  
27. 5S-0958 [1] PIN  
    (Part of 5S960 Cam Assem.)
  5S-0899 [1] DETENT ASSEM.  
28. 1S-3207 [1] DETENT  
29. 9M-2022 [1] DOWEL  
  1S-3211 [1] PIN  
  1S-3206 [2] BEARING  
30. 1A-5822 [1] BOLT  
31. 0V-0531 [1] WASHER  
32. 1M-3850 [1] SPACER  
33. 7M-1224 [1] SPRING  
34. 8M-4389 [14] SEAL  
35. 4S-8571 [4] SLEEVE  
36. 0S-1571 [2] BOLT  
37. 0S-1594 [1] BOLT  
38. 5S-0938 [1] MANIFOLD  
39. 1P-8116 [2] SEAL  
40. 7S-4607 [2] DETENT ASSEM.  
  Y   SEPARATE ILLUSTRATION
 

#UEG0756S0081
 

6D-4110: TRANSMISSION CONTROL

TRANSMISSION CONTROL (6D4110 N/S)
c138685 UEG0756S
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Parts for your 12F MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1A-1460 [1] BOLT  
2. 3B-4508 [5] LOCKWASHER  
  2J-3118 [6] BOLT  
3. 4B-4278 [6] WASHER  
  4M-7470 [6] GROMMET  
4. 6D-3753 [1] SHAFT ASSEM.  
  6D-6979 [1] YOKE ASSEM.  
  8H-9189 [1] DOWEL  
5. 6D-3752 [1] SHAFT  
6. 1K-6872 C [1] LOCKNUT  
  1D-5965 [1] WASHER  
7. 6K-0647 [2] BEARING  
8. 0S-1587 C [3] BOLT  
9. 3B-4506 C [7] LOCKWASHER  
10. 0T-0573 [3] BOLT  
11. 1D-4717 [8] NUT  
12. 7D-6861 [1] HOUSING  
13. 7F-8092 [1] KNOB  
14. 6D-6784 [1] LEVER ASSEM.  
15. 5H-3895 [1] BUSHING  
16. 7D-6825 [1] SUPPORT (R.H.)  
  7D-6824 [1] SUPPORT (L.H.)  
17. 6D-3951 [2] SPACER  
18. 4M-0496 [2] BOLT  
  4M-0497 [2] NUT (Jam)  
19. 4D-4064 [4] END  
20. 5B-9079 [4] NUT  
21. 8D-2534 C [1] ROD  
22. 0S-1591 [2] BOLT  
23. 6D-3755 [1] LEVER  
24. 1B-8706 [2] KEY  
25. 9M-8186 [2] WASHER  
26. 8B-2278 [1] LOCK  
27. 2M-7167 [1] SPACER  
28. 7D-7369 C [1] PLATE ASSEM.  
29. 7D-7366 C [1] PLATE  
30. 3B-1915 [2] BOLT  
31. 8D-2586 C [1] ROD  
32. 6D-3736 [1] LEVER  
33. 0S-1585 C [2] BOLT  
  C   INDICATES CHANGE
 

#UEG0756S0082
 

7S-8610: SELECTOR VALVE GROUP

7S8610 SELECTOR VALVE GROUP
Part of Transmission Hydraulic Control shown on Page 60
c126189 UEG0756S
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Parts for your 12F MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3S-0058 [1] SPOOL  
2. 3S-0057 [1] SPOOL  
3. 3S-0056 [1] SPOOL  
4. [1] BODY  
5. 0T-0442 [1] SCREW  
6. 5S-0954 [1] SPOOL  
7. 5S-0909 [3] LINK  
8. 2S-5717 [3] NUT  
 

#UEG0756S0083
 

7S-8620: PRESSURE CONTROL GROUP

7S8620 PRESSURE CONTROL GROUP
Part of Transmission Hydraulic Control shown on Page 60
c138611 UEG0756S
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Parts for your 12F MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7S-6924 [1] MANIFOLD  
2. 1P-0562 [1] VALVE ASSEM.  
  4S-5982 [1] VALVE  
3. 5M-9548 [1] SPRING  
4. 9M-4313 [1] POPPET  
5. 1L-3162 [1] RING  
  8M-2537 [1] RETAINER  
6. 5M-6214 [5] PLUG  
7. 7S-8507 [2] STOP  
8. 8H-9208 [4] DOWEL  
9. 5M-6237 [1] PISTON  
10. 5H-2744 [1] SPRING (Outer)  
11. 8M-6402 [1] SPRING (Outer)  
12. 7S-8508 [1] SPRING (Inner)  
13. 8M-6403 [1] SPRING (Inner)  
14. 9S-2815 [1] SPOOL ASSEM.  
15. 1S-2121 [1] PLUNGER  
16. 4M-2381 [1] SPRING  
17. 8M-1013 [1] RETAINER  
18. 3D-8317 [1] RING  
19. 8M-1112 [4] SEAL  
20. 2S-0696 [1] DOWEL  
21. 2S-4872 [1] STOP  
22. 7S-4594 [1] PISTON  
23. 4S-8658 [1] PLUG  
24. 8M-5248 [1] SEAL  
25. 3S-9950 [1] SPRING (Outer)  
26. 2P-3570 C [1] BODY  
27. 3S-9951 [1] WASHER  
28. 3S-9949 [1] SPRING (Inner)  
29. 7S-4596 [1] SPRING (Outer)  
30. 1P-0561 [1] SPOOL  
31. 7S-4595 [1] SPRING (Inner)  
32. 7M-1396 [2] SPACER (.062" Thick)  
  7M-1397 [4] SPACER (.036" Thick)  
  5M-3492 [6] SPACER (.010" Thick)  
33. 2P-3568 C [1] SPOOL ASSEM.  
  5M-8009 [1] PIN  
34. 1S-2121 [1] PLUNGER  
35. 4M-2381 [1] SPRING  
36. 8M-1013 [1] RETAINER  
37. 3D-8317 [1] RING  
38. 9S-2768 [6] SPACER  
39. 4M-4424 [6] COVER  
40. 1T-0414 [16] BOLT  
  9M-1974 [16] WASHER  
41. 2M-7041 [1] SLUG  
42. 1P-2576 [1] STOP ASSEM.  
  1P-2575 [1] STOP  
43. 4M-2381 [1] SPRING  
44. 1S-2121 [1] PLUNGER  
45. 1S-1636 [1] RETAINER  
46. 1S-1638 [1] RING  
47. 1P-9620 C [1] RING  
  C   INDICATES CHANGE
 

#UEG0756S0084
 

6D-0320: BEVEL GEAR AND TRANSFER GEAR

BEVEL GEAR AND TRANSFER GEAR (6D0320 N/S)-Side View
See Page 21 for Gasket Kit
c112684 UEG0756S
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Parts for your 12F MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5D-9662 [2] CONE  
2. 6B-3224 [2] CUP  
3. 6D-8197 [1] GEAR (37 Teeth)  
4. 5D-9648 [1] CAGE  
5. [1] CAGE  
6. [1] GEAR (34 Teeth)  
7. 5D-9640 [10] SHIM (.007" Thick)  
8. 5D-9641 [10] SHIM (.005" Thick)  
9. [1] CAGE  
10. 3B-4124 [2] CUP  
11. 2K-9295 [2] CONE  
12. 3F-1953 [1] DOWEL  
13. 2M-3969 [4] PIN  
14. [5] SPRING  
15. 5D-9629 [5] ROD  
16. 5D-9569 [1] CAGE  
17. 5D-9630 [1] BEARING ASSEM.  
18. 5D-6377 [1] PINION (13 Teeth)  
19. 5D-9631 [1] SPACER  
20. 5D-9633 [1] PLATE  
21. 5D-9632 [1] SHIM  
22. 5D-9627 [1] PLATE  
23. 8D-2108 [10] INSERT  
24. 8D-2107 [5] BALL  
25. 3S-7981 [3] DISC ASSEM.  
26. 3S-7978 [2] PLATE  
27. 5D-9619 [1] RING  
28. 5D-9612 [1] GEAR (74 Teeth)  
29. [6] BOLT  
30. 1S-9243 [6] LOCK  
31. 6D-2796 [1] CAGE  
32. 8F-6230 [1] SEAL  
33. 9M-5894 [1] SEAL  
34. 5D-6376 [1] GEAR (32 Teeth)  
35. 3B-4990 [10] BOLT  
36. 6B-6683 [10] NUT  
37. 5D-9614 [5] LOCK  
38. 6D-3080 [1] SEAL ASSEM.  
39. 6D-3105 [1] RING ASSEM.  
40. 6D-7146 [1] SEAL  
41. 1P-9365 [1] INNER RACE & ROLLER ASSEM.  
42. [4] BOLT  
43. 2M-4224 [2] LOCK  
44. [1] CAGE  
45. [1] RETAINER  
46. 2H-3934 [1] SEAL  
47. [1] BEARING ASSEM.  
48. [6] BOLT  
49. 1A-1410 [3] LOCK  
50. [1] RETAINER  
51. 6D-8203 [1] GEAR (56 Teeth)  
52. 2P-2823 [1] RACE  
 

#UEG0756S0085
 

6D-0320: BEVEL GEAR AND TRANSFER GEAR

BEVEL GEAR AND TRANSFER GEAR (6D0320 N/S)-End View
c111762 UEG0756S
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Parts for your 12F MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [14] BOLT  
2. 1A-2361 [4] LOCK  
3. [28] BOLT  
4. [28] WASHER  
5. 5D-9634 [1] HOUSING ASSEM.  
6. [2] BEARING (1 in each 5D9634 & 7D196 Housing Assem.)  
7. 5D-9637 [1] FORK  
8. [5] BOLT  
9. [11] LOCK  
10. [8] BOLT  
11. 3B-4510 [8] LOCKWASHER  
12. 5D-9623 [1] HOUSING  
13. 5D-9624 [1] PLATE ASSEM.  
14. [1] DOWEL (Part of 5D9624 Plate Assem.)  
15. [2] BOLT  
16. [1] LOCK  
17. 4D-2146 [1] RETAINER  
18. [6] BOLT  
19. 1S-9243 [6] LOCK  
20. 1F-4232 [20] SHIM (.003" Thick)  
21. 4B-8145 [20] SHIM (.010" Thick)  
22. 5D-9613 [1] SHAFT ASSEM. (11 Teeth)  
  2D-3607 [1] SPACER (Part of 5D9613 Shaft Assem.)  
23. 4D-4488 [1] CAGE  
24. 5D-9542 [1] CAGE  
25. 1B-6572 [2] CONE  
26. 1B-6573 [2] CUP  
27. 1H-8278 [2] SEAL  
28. 5D-9621 [1] COVER ASSEM.  
29. [1] DOWEL  
30. [1] DOWEL (Parts of 5D9621 Cover Assem.)  
31. [1] HOUSING ASSEM.  
 

#UEG0756S0086
 

6D-0100: BEVEL GEAR AND TRANSFER GEAR CASE

BEVEL GEAR AND TRANSFER GEAR CASE AND COVERS (6D0100 N/S)-Side View
c145398 UEG0756S
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Parts for your 12F MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2D-3469 [1] GASKET  
2. 6D-2369 [1] ELBOW  
3. 3H-2652 [1] SEAL  
4. 0S-1585 [2] BOLT  
5. 3B-4508 [74] LOCKWASHER  
6. 6D-0111 [1] GASKET  
7. 0S-1587 [33] BOLT  
8. 6D-0141 [1] GAUGE ASSEM.  
9. 0S-0509 [1] BOLT  
10. 3B-4506 [1] LOCKWASHER  
11. 6D-0149 [1] TUBE ASSEM.  
12. 7F-7889 [1] GASKET  
13. 6D-5939 [1] GASKET  
14. 6D-0133 [1] HOUSING ASSEM.  
15. 2D-8153 [2] STUD  
16. 4D-6589 [16] STUD  
17. 7M-8930 [1] SEAL  
18. 1F-3563 [2] BEARING  
19. 1A-2223 [2] DOWEL  
20. 5M-1932 [15] STUD  
21. 2B-2994 [4] DOWEL  
22. 2D-8155 [2] STUD  
23. 2D-8426 C [6] STUD  
24. 6D-2675 [2] STUD  
25. 6D-2368 [1] TUBE  
26. 9S-6130 [1] PLUG  
  2S-4078 [1] SEAL  
27. 4F-8824 [2] SEAL  
28. 2D-8390 [1] PLUG  
29. 6F-4868 [1] GASKET  
30. 8D-0722 C [1] COVER ASSEM.  
31. 5H-0438 [1] BOSS  
32. 7B-5875 [1] TUBE  
33. 1F-2417 [1] BOSS  
34. 0L-0827 [1] PLUG  
  0L-1124 [1] GASKET  
35. 0S-1595 [12] BOLT  
36. 1D-4719 [27] NUT  
37. 3D-9142 [1] BREATHER  
38. 3B-6553 C [1] ELBOW  
39. 5H-7598 C [1] NIPPLE  
40. 3B-6488 C [1] COUPLING  
  C   INDICATES CHANGE
 

#UEG0756S0087
 

6D-0100: BEVEL GEAR AND TRANSFER GEAR CASE

BEVEL GEAR AND TRANSFER GEAR CASE AND COVERS (6D0100 N/S)-End View
c145399 UEG0756S
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Parts for your 12F MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2B-2404 [2] CLIP  
2. 0T-0102 [2] BOLT  
3. 2B-2695 [4] BOLT  
4. 3B-4505 [4] LOCKWASHER  
5. 3F-4851 [1] COVER  
6. 4B-8939 [1] GASKET  
7. 1F-8488 [1] BREATHER  
8. 8D-0013 C [1] CAP  
9. 6F-5188 [1] GASKET  
10. 6D-0146 [1] TUBE ASSEM.  
  5B-1983 [1] BOSS  
11. 5H-7844 [1] GASKET  
12. 6D-0101 [1] ADAPTER  
13. 4D-8626 [1] GASKET  
14. 1A-2029 [3] BOLT  
15. 3B-4506 [5] LOCKWASHER  
16. 6D-3276 [1] PLATE  
17. 0S-0509 [2] BOLT  
18. 9M-1367 [1] LOCK  
19. 6D-0122 [1] TUBE  
20. 3B-8991 [1] FITTING  
  1F-1344 [2] NUT  
21. 6D-0123 [1] TUBE  
22. 0S-1585 [2] BOLT (1.50" Long)  
23. 3B-4508 [2] LOCKWASHER  
24. 0L-1351 [2] BOLT (.875" Long)  
25. 7D-7977 [1] BRACKET ASSEM.  
  9F-2978 [1] NUT  
  C   INDICATES CHANGE
 

#UEG0756S0088
 

6D-0510: TRANSMISSION OIL COOLER LINES

TRANSMISSION OIL COOLER LINES (6D0510 N/S)
c103962 UEG0756S
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Parts for your 12F MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  6D-0333 [1] HOSE ASSEM.  
1. 3S-8503 [1] STEM ASSEM.  
2. [1] HOSE (19" Long)  
3. 3S-7252 [2] SLEEVE  
4. 3S-8501 [1] STEM ASSEM.  
5. 0L-1143 [2] BOLT  
6. 3B-4506 [28] LOCKWASHER  
7. 5M-7908 [1] PLUG ASSEM.  
  3J-1907 [1] SEAL  
    (Part of 5M7908 Plug Assem.)
8. 6D-0027 [1] MANIFOLD  
  5F-1678 [1] SEAL  
9. 1A-2029 [2] BOLT  
10. 6D-0580 [1] TUBE  
11. 4J-2506 [2] SEAL  
  6D-0335 [1] HOSE ASSEM.  
12. 5S-6102 [1] STEM ASSEM.  
13. [1] HOSE (17" Long)  
14. 3S-7166 [2] SLEEVE  
15. 8S-8111 [1] STEM ASSEM.  
16. 0S-1588 [24] BOLT  
  6D-0334 [1] HOSE ASSEM.  
17. 3S-8496 [1] STEM ASSEM. (Straight)  
18. 3S-7252 [2] SLEEVE  
19. [1] HOSE (30" Long)  
20. 3S-8499 [1] STEM ASSEM.  
21. 1H-3305 [12] FLANGE  
  4F-7391 [6] SEAL  
 

#UEG0756S0089
 

7K-5636: PROTECTION COVER

7K5636 PROTECTION COVER-Transmission Oil Cap
Also part of 8D6530 Vandalism Protection Arrangement listed on Page 274
AN ATTACHMENT
c130616 UEG0756S
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Parts for your 12F MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1L-5072 [1] DOWEL  
2. 9M-7394 [1] LEVER  
3. 7K-5634 [1] COVER  
4. 2J-7761 [1] RING  
5. [1] PADLOCK  
    NOTE:
    (For Service of Padlock and Key order 8S7949 Padlock Group)
 

Information:

Caterpillar Parts SIS Catalog 12F :

Truck sale:

149.800 
Caterpillar 312F, Raupenbagger, Bau-Und Bergbauausrüstung
- Crawler excavators
YANCEY BROS. CO.
13,000 
Caterpillar 12F, Construction
- motor graders
ALTORFER INC.
159,900 
Caterpillar 312F GC, Construction
- Crawler Excavators
N C MACHINERY CO.
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