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144-2234 TRANSMISSION AR S/N 4MY9671-12742 PART OF 112-4121 POWER TRAIN AR 12H NA MOTOR GRADER




POWER TRAIN

TRANSMISSION GP
 

#SEBP24210380
 

144-2234: TRANSMISSION AR

144-2234 TRANSMISSION AR
S/N 4MY9671-12742
PART OF 112-4121 POWER TRAIN AR
i01454520 SEBP2421
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Parts for your 12H NA MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6Y-2300 Y [1] SHAFT GP-INPUT  
2. Y [1] CLUTCH GP-TRANSMISSION (FORWARD)  
3. Y [1] CLUTCH GP-TRANSMISSION (REVERSE, SECOND)  
4. 6Y-2303 Y [1] CLUTCH GP-TRANSMISSION (FIRST, THIRD)  
5. 8E-9316 Y [1] CLUTCH GP-TRANSMISSION (HIGH, LOW)  
6. 144-2205 Y [1] CASE & PARTS GP-PLANETARY  
7. 9W-5132 Y [1] BRAKE GP-PARKING  
8. 9W-5134 Y [1] SCREEN GP-MAGNETIC (TRANSMISSION)  
9. 6Y-8765 Y [1] PUMP GP-GEAR  
10. 145-9531 Y [1] CONTROL GP-TRANSMISSION HYD  
  Y   SEPARATE ILLUSTRATION
 

#SEBP24210381
 

9W-7115: TRANSMISSION AR

9W-7115 TRANSMISSION AR
S/N 7LX1-99999
PART OF 112-4121 POWER TRAIN AR
i00122898 SEBP2421
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Parts for your 12H NA MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6Y-2300 Y [1] SHAFT GP-INPUT  
2. 6Y-2301 Y [1] CLUTCH GP-TRANSMISSION (FORWARD)  
3. 6Y-2302 Y [1] CLUTCH GP-TRANSMISSION (REVERSE, SECOND)  
4. 6Y-2303 Y [1] CLUTCH GP-TRANSMISSION (FIRST, THIRD)  
5. 8E-9316 Y [1] CLUTCH GP-TRANSMISSION (HIGH, LOW)  
6. 9W-5128 Y [1] CASE & PARTS GP-PLANETARY  
7. 9W-5132 Y [1] BRAKE GP-PARKING  
8. 9W-5134 Y [1] SCREEN GP-MAGNETIC (TRANSMISSION)  
9. 6Y-8765 Y [1] PUMP GP-GEAR  
10. 6Y-7821 Y [1] CONTROL GP-TRANSMISSION HYD  
  Y   SEPARATE ILLUSTRATION
 

#SEBP24210382
 

8X-5005: UNIVERSAL JOINT GP

8X-5005 UNIVERSAL JOINT GP
S/N 4XM1-UP
PART OF 8W-5394 SHAFT GP-DRIVE
i00122736 SEBP2421
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Parts for your 12H NA MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3D-6689 [1] YOKE-COUPLING  
2. 9P-0356 [2] SPIDER & BEARING AS  
3. 0S-1579 [8] BOLT (1/2-20X2-IN)  
 

#SEBP24210383
 

144-6295: VALVE & MTG GP-DIFF LOCK

144-6295 VALVE & MTG GP-DIFF LOCK
S/N 4XM1396-UP
PART OF 8W-5915 CONTROL GP-DIFFERENTIAL LOCK
FIELD REPLACEMENT ORDER @@@@@174-3705@@@@@, 155-2270 KIT-CONNECTING PLUG, 130-5300 CLIP
i00565983 SEBP2421
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Parts for your 12H NA MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 144-6294 Y [1] VALVE GP-SOLENOID (DIFFERENTIAL LOCK)  
2. 148-2516 [1] MANIFOLD  
   
    AVAILABLE REPAIR KIT(S):
  6G-5979 [1] KIT-SEAL (DIFFERENTIAL LOCK VALVE)  
  155-2270 [1] KIT-CONNECTING PLUG (2-PIN)  
    (INCLUDES PLUG AS & WEDGE)
  Y   SEPARATE ILLUSTRATION
 

#SEBP24210384
 

174-3705: VALVE & MTG GP-DIFF LOCK

174-3705 VALVE & MTG GP-DIFF LOCK
S/N 4XM1396-UP
FIELD REPLACEMENT FOR @@@@@144-6295@@@@@
i01506206 SEBP2421
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Parts for your 12H NA MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6G-5979 [1] KIT-SEAL (DIFFERENTIAL LOCK)  
    (INCLUDES O-RINGS)
2. 154-3064 Y [1] VALVE GP-SOLENOID (DIFFERENTIAL LOCK)  
3. 148-2516 [1] MANIFOLD  
  Y   SEPARATE ILLUSTRATION
 

#SEBP24210385
 

7T-9073: VALVE & MTG GP-DIFF LOCK

7T-9073 VALVE & MTG GP-DIFF LOCK
S/N 4XM1-1395
PART OF 8W-5915 CONTROL GP-DIFFERENTIAL LOCK
i00089705 SEBP2421
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Parts for your 12H NA MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  9W-0706 Y [1] VALVE GP-SOLENOID  
  Y   SEPARATE ILLUSTRATION
 

#SEBP24210386
 

145-9534: VALVE GP-SELECTOR & PRESS CONT

145-9534 VALVE GP-SELECTOR & PRESS CONT
S/N 4MY440-1139
PART OF 145-9533 VALVE GP-TRANSMISSION CONTROL
i00557995 SEBP2421
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Parts for your 12H NA MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 110-5157 [1] BODY  
2. 9U-8075 [1] SLUG  
3. 139-6815 [1] ADAPTER  
4. 7M-8485 [2] SEAL-O-RING  
5. 8E-7714 [1] ORIFICE  
6. 5F-9144 [4] SEAL-O-RING  
7. 8E-9894 [4] SPOOL  
8. 9U-8068 [4] SLUG  
9. 9U-9282 [4] SPRING  
10. 9U-9316 [4] SPRING  
11. 108-6523 [4] ADJUSTER AS  
    (EACH INCLUDES)
  4K-2039 [1] SEAL-O-RING  
  7M-8485 [1] SEAL-O-RING  
  8T-4223 [1] WASHER-HARD (13.5X25.5X3-MM THK)  
  9U-8069 [1] PLUG  
  095-1207 M [1] NUT (M12X1.75-THD)  
  101-9754 [1] SCREW-ADJUSTMENT (M12X1.75X18-MM)  
12. 9U-8620 [3] ORIFICE  
13. 9U-8067 [4] RETAINER  
14. 8E-9895 [4] PISTON-LOAD  
15. 9W-7412 [1] SPRING  
16. 4J-2506 [1] SEAL-O-RING  
17. 6F-4855 [4] SEAL-O-RING  
18. 5J-1036 B [10] SHIM (0.8-MM THK)  
19. 8E-9896 [4] PISTON-SELECTOR  
20. 9W-7411 [3] SPRING  
21. 7T-0570 [3] SPRING  
22. 4M-1751 B [7] SPACER (15.09X0.4-MM THK)  
23. 4J-7533 [3] SEAL-O-RING  
24. 133-1570 [1] ADAPTER  
25. 3D-4245 [4] SEAL-O-RING  
26. 9U-8614 [1] SPRING  
27. 121-9381 [1] SPOOL  
28. 3J-7354 [1] SEAL-O-RING  
29. 9S-8002 [1] PLUG (7/16-20-THD)  
30. 6T-8236 [1] SCREEN AS  
31. 9G-7132 [2] PLUG-ORIFICE  
32. 9S-8004 [1] PLUG (9/16-18-THD)  
33. 3J-1907 [1] SEAL-O-RING  
34. 8E-6570 [1] MANIFOLD  
35. 136-1678 Y [4] VALVE GP-SOLENOID (SELECTOR & PRESS CONT)  
38. 8C-6965 M [4] BOLT-SOCKET HEAD (M6X1X45-MM)  
39. 5P-0537 [5] WASHER-HARD (7.2X14.5X2-MM THK)  
40. 8T-8442 M [1] BOLT-SOCKET HEAD (M6X1X30-MM)  
41. 7G-5453 [1] SPRING  
42. 6I-8444 [1] PLUNGER AS  
43. 1W-6084 [1] RING-RETAINING  
44. 4H-0094 [1] RING-RETAINING  
45. 4J-7533 [1] SEAL-O-RING  
46. 6I-8447 [8] SPACER (11.6X16X0.25-MM THK)  
47. 6Y-2466 [1] STOP  
48. 6Y-8237 [1] PISTON  
49. 9U-8070 [1] PLUNGER  
50. 9U-8071 [1] COUPLER  
51. 9U-8072 [1] RETAINER  
52. 9U-8613 [1] SPRING  
53. 9W-7784 [1] SPRING  
  B   USE AS REQUIRED
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP24210387
 

150-4894: VALVE GP-SELECTOR & PRESS CONT

150-4894 VALVE GP-SELECTOR & PRESS CONT
S/N 4MY440-UP
PART OF 145-9533 VALVE GP-TRANSMISSION CONTROL
i00748760 SEBP2421
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Parts for your 12H NA MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 161-7054 [1] BODY  
2. 9U-8075 [1] SLUG  
3. 139-6815 [1] ADAPTER  
4. 7M-8485 [2] SEAL-O-RING  
5. 8E-7714 [1] ORIFICE  
6. 5F-9144 [4] SEAL-O-RING  
7. 8E-9894 [4] SPOOL  
8. 9U-8068 [4] SLUG  
9. 9U-9282 [4] SPRING (OUTER)  
10. 9U-9316 [4] SPRING (INNER)  
11. 108-6523 [4] ADJUSTER AS  
    (EACH INCLUDES)
  4K-2039 [1] SEAL-O-RING  
  7M-8485 [1] SEAL-O-RING  
  8T-4223 [1] WASHER-HARD (13.5X25.5X3-MM THK)  
  9U-8069 [1] PLUG  
  095-1207 M [1] NUT (M12X1.75-THD)  
  101-9754 [1] SCREW-ADJUSTMENT (M12X1.75X18-MM)  
12. 9U-8620 [3] ORIFICE  
13. 9U-8067 [4] RETAINER  
14. 8E-9895 [4] PISTON-LOAD  
15. 9W-7412 [1] SPRING (OUTER)  
16. 4J-2506 [1] SEAL-O-RING  
17. 6F-4855 [4] SEAL-O-RING  
18. 5J-1036 B [10] SHIM (0.8-MM THK)  
19. 8E-9896 [4] PISTON-SELECTOR  
20. 9W-7411 [3] SPRING (OUTER)  
21. 7T-0570 [3] SPRING (INNER)  
22. 4M-1751 B [7] SPACER (15.09X0.4-MM THK)  
23. 4J-7533 [3] SEAL-O-RING  
24. 144-2802 [1] ADAPTER  
26. 9U-8614 [1] SPRING (OUTER)  
27. 165-1540 [1] SPOOL  
28. 3J-7354 [1] SEAL-O-RING  
29. 9S-8002 [1] PLUG (7/16-20-THD)  
30. 6T-8236 [1] SCREEN AS  
31. 9G-7132 [2] PLUG-ORIFICE  
32. 9S-8004 [1] PLUG (9/16-18-THD)  
33. 3J-1907 [1] SEAL-O-RING  
34. 8E-6570 [1] MANIFOLD  
35. 136-1678 Y [4] VALVE GP-SOLENOID  
38. 8C-6965 M [4] BOLT-SOCKET HEAD (M6X1X45-MM)  
39. 5P-0537 [5] WASHER-HARD (7.2X14.5X2-MM THK)  
40. 8T-8442 M [1] BOLT-SOCKET HEAD (M6X1X30-MM)  
41. 7G-5453 [1] SPRING (INNER)  
42. 3D-4245 [4] SEAL-O-RING  
43. 146-6261 [1] SEAL-LIP TYPE  
44. 118-5068 [1] SEAL-O-RING  
45. 144-2803 [1] PLUNGER  
46. 153-8138 [1] PLUNGER AS  
47. 9U-8070 [1] PLUNGER  
48. 9W-7784 [1] SPRING  
49. 6Y-2466 [1] STOP  
50. 4H-0094 [1] RING-RETAINING  
51. 6Y-8237 [1] PISTON  
52. 9U-8613 [1] SPRING  
53. 6I-8447 [8] SPACER (11.6X16X0.25-MM THK)  
54. 9U-8072 [1] RETAINER  
55. 1W-6084 [1] RING-RETAINING  
56. 144-2804 [1] COUPLER  
57. 4J-7533 [1] SEAL-O-RING  
  B   USE AS REQUIRED
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP24210388
 

178-2554: VALVE GP-SELECTOR & PRESS CONT

178-2554 VALVE GP-SELECTOR & PRESS CONT
S/N 4MY7946-UP
PART OF 145-9533 VALVE GP-TRANSMISSION CONTROL
Type 1
i01288172 SEBP2421
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Parts for your 12H NA MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 161-7054 [1] BODY  
2. 9U-8075 [1] SLUG  
3. 139-6815 [1] ADAPTER  
4. 7M-8485 [2] SEAL-O-RING  
5. 8E-7714 [1] ORIFICE  
6. 5F-9144 [4] SEAL-O-RING  
7. 8E-9894 [4] SPOOL  
8. 9U-8068 [4] SLUG  
9. 9U-9282 [4] SPRING  
10. 9U-9316 [4] SPRING  
11. 108-6523 [4] ADJUSTER AS  
  4K-2039 [1] SEAL-O-RING  
  7M-8485 [1] SEAL-O-RING  
  8T-4223 [1] WASHER-HARD (13.5X25.5X3-MM THK)  
  9U-8069 [1] PLUG  
  095-1207 M [1] NUT (M12X1.75-THD)  
  101-9754 [1] SCREW-ADJUSTMENT (M12X1.75X18-MM)  
12. 9U-8620 [3] ORIFICE  
13. 9U-8067 [4] RETAINER  
14. 8E-9895 [4] PISTON-LOAD  
15. 9W-7412 [1] SPRING  
16. 4J-2506 [1] SEAL-O-RING  
17. 6F-4855 [4] SEAL-O-RING  
18. 5J-1036 [10] SHIM (0.8-MM THK)  
19. 8E-9896 [4] PISTON-SELECTOR  
20. 9W-7411 [3] SPRING  
21. 7T-0570 [3] SPRING  
22. 4M-1751 [7] SPACER (15.09X0.4-MM THK)  
23. 4J-7533 [3] SEAL-O-RING  
24. 144-2802 [1] ADAPTER  
25. 153-8138 [1] PLUNGER AS  
  1W-6084 [1] RING-RETAINING  
  4H-0094 [1] RING-RETAINING  
  4J-7533 [1] SEAL-O-RING  
  6I-8447 [8] SPACER (11.6X16X0.25-MM THK)  
  6Y-2466 [1] STOP  
  6Y-8237 [1] PISTON  
  9U-8070 [1] PLUNGER  
  9U-8072 [1] RETAINER  
  9U-8613 [1] SPRING  
  9W-7784 [1] SPRING  
  144-2804 [1] COUPLER  
26. 9U-8614 [1] SPRING  
27. 165-1540 [1] SPOOL  
28. 3J-7354 [1] SEAL-O-RING  
29. 9S-8002 [1] PLUG (7/16-20-THD)  
30. 6T-8236 [1] SCREEN AS  
31. 9G-7132 [2] PLUG-ORIFICE  
32. 3J-1907 [1] SEAL-O-RING  
33. 9S-8004 [1] PLUG (9/16-18-THD)  
34. 8E-6570 [1] MANIFOLD  
35. 136-1678 Y [4] VALVE GP-SOLENOID  
38. 8C-6965 M [4] BOLT-SOCKET HEAD (M6X1X45-MM)  
39. 5P-0537 [5] WASHER-HARD (7.2X14.5X2-MM THK)  
40. 8T-8442 M [1] BOLT-SOCKET HEAD (M6X1X30-MM)  
41. 7G-5453 [1] SPRING  
42. 3D-4245 [4] SEAL-O-RING  
43. 146-6261 [1] SEAL-LIP TYPE  
44. 118-5068 [1] SEAL-O-RING  
45. 144-2803 [1] PLUNGER  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP24210389
 

178-2554: VALVE GP-SELECTOR & PRESS CONT

178-2554 VALVE GP-SELECTOR & PRESS CONT
S/N 4MY7946-UP
PART OF 145-9533 VALVE GP-TRANSMISSION CONTROL
Type 2
i01729067 SEBP2421
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Parts for your 12H NA MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 161-7054 [1] BODY  
2. 9U-8075 [1] SLUG  
3. 309-1874 [1] ADAPTER AS  
  7M-8485 [1] SEAL-O-RING  
  139-6815 [1] ADAPTER  
5. 309-1876 [1] ORIFICE AS  
  5F-9144 [1] SEAL-O-RING  
  8E-7714 [1] ORIFICE  
7. 8E-9894 [4] SPOOL  
8. 9U-8068 [4] SLUG  
9. 9U-9282 [4] SPRING  
10. 9U-9316 [4] SPRING  
11. 108-6523 [4] ADJUSTER AS  
    (EACH INCLUDES)
11A. 4K-2039 [1] SEAL-O-RING  
11B. 7M-8485 [1] SEAL-O-RING  
11C. 8T-4223 [1] WASHER-HARD (13.5X25.5X3-MM THK)  
11E. 095-1207 M [1] NUT (M12X1.75-THD)  
11F. 101-9754 [1] SCREW-ADJUSTMENT (M12X1.75X18-MM)  
  9U-8069 [1] PLUG  
12. 309-1877 [3] ORIFICE AS  
    (EACH INCLUDES)
  5F-9144 [1] SEAL-O-RING  
  9U-8620 [1] ORIFICE  
13. 9U-8067 [4] RETAINER  
14. 8E-9895 [4] PISTON-LOAD  
15. 9W-7412 [1] SPRING  
16. 4J-2506 [1] SEAL-O-RING  
17. 6F-4855 [4] SEAL-O-RING  
18. 5J-1036 B [10] SHIM (0.8-MM THK)  
19. 8E-9896 [4] PISTON-SELECTOR  
20. 9W-7411 [3] SPRING  
21. 7T-0570 [3] SPRING  
22. 4M-1751 [7] SPACER (15.09X0.4-MM THK)  
24. 309-1875 [1] ADAPTER AS  
  7M-8485 [1] SEAL-O-RING  
  144-2802 [1] ADAPTER  
25. 153-8138 [1] PLUNGER AS  
25A. 1W-6084 [1] RING-RETAINING  
25B. 4H-0094 [1] RING-RETAINING  
25C. 4J-7533 [1] SEAL-O-RING  
25E. 6Y-2466 [1] STOP  
25F. 6Y-8237 [1] PISTON  
25G. 9U-8613 [1] SPRING  
25H. 9W-7784 [1] SPRING  
25J. 144-2804 [1] COUPLER  
  6I-8447 B [8] SPACER (11.6X16X0.25-MM THK)  
  9U-8070 [1] PLUNGER  
  9U-8072 [1] RETAINER  
26. 9U-8614 [1] SPRING  
27. 165-1540 [1] SPOOL  
29. 183-7263 [1] PLUG AS  
  3J-7354 [1] SEAL-O-RING  
  9S-8002 [1] PLUG (7/16-20-THD)  
30. 201-6618 [1] PLUG AS-ORIFICE  
31. 309-2995 [2] PLUG AS  
    (EACH INCLUDES)
  4J-7533 [1] SEAL-O-RING  
  9G-7132 [1] PLUG-ORIFICE  
32. 162-0177 [1] PLUG AS  
  3J-1907 [1] SEAL-O-RING  
  9S-8004 [1] PLUG (9/16-18-THD)  
34. 8E-6570 [1] MANIFOLD  
35. 186-1525 CY [4] VALVE GP-SOLENOID (TRANSMISSION CLUTCH)  
38. 8C-6965 M [4] BOLT-SOCKET HEAD (M6X1X45-MM)  
39. 5P-0537 [5] WASHER-HARD (7.2X14.5X2-MM THK)  
40. 8T-8442 M [1] BOLT-SOCKET HEAD (M6X1X30-MM)  
41. 7G-5453 [1] SPRING  
42. 3D-4245 [4] SEAL-O-RING  
43. 228-7467 [1] SEAL-WIPER  
44. 118-5068 [1] SEAL-O-RING  
45. 144-2803 [1] PLUNGER  
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

Caterpillar Parts SIS Catalog 12H NA :

Truck sale:

On Request 
Caterpillar 12HNA, Construction
- motor graders
WILLIAM ADAMS PTY. LTD.
Australia
96,997 USD 
Caterpillar 12HNA, Construction
- motor graders
WESTRAC
Western Australia, Australia
62,500 
Caterpillar 12HNA, Construction
- motor graders
FOLEY EQUIPMENT COMPANY
69,800 
Caterpillar 12HNA, Construction
- motor graders
YANCEY BROS. CO.
GA
 
CATERPILLAR 12HNA 2007
- MOTOR GRADERS
HASTINGS DEERING (AUSTRALIA) LTD.
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