6E-1278 PUMP GP-PISTON S/N 11W1311-99999 PART OF 8W-6540 PUMP & MTG GP-PISTON 120G MOTOR GRADER



HYDRAULIC SYSTEM
PUMP GP
DRIVE GP
SHAFT GP
SWIVEL GP
TANK GP
SHAFT GP

MOTOR GRADER 120G MOTOR GRADER 11W
 120G Motor Grader 11W01251-UP (MACHINE) POWERED BY 3304 Engine MEBP1758 120G 11W   (1975)

HYDRAULIC SYSTEM

PUMP GP
PUMP & MTG GP-PISTON
8W-6540 PUMP & MTG GP-PISTON
PUMP & MTG GP-PISTON
8W-6540 PUMP & MTG GP-PISTON
PUMP GP-PISTON
4T-0501 PUMP GP-PISTON
PUMP GP-PISTON
6E-1278 PUMP GP-PISTON
ROTATING GP-PUMP
9T-1704 ROTATING GP-PUMP
VALVE GP-PUMP CONTROL
9T-7747 VALVE GP-PUMP CONTROL
 

#MEBP17580300
 

6E-1278: PUMP GP-PISTON

6E-1278 PUMP GP-PISTON
S/N 11W1311-99999
PART OF 8W-6540 PUMP & MTG GP-PISTON
i00143408 MEBP1758
6E1278 PUMP GP-PISTON Parts scheme
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Parts for your 120G MOTOR GRADER:

Pos. Part No Qty Parts name Comments
1. 5A-3604 M [4] BOLT-SOCKET HEAD (M8X1.25X25-MM)  
2. 9T-7747 Y [1] VALVE GP-PUMP CONTROL (PRESSURE, FLOW COMPENSATOR)  
3. 8T-5039 [3] SEAL-O-RING  
4. 064-9829 [1] PLUG  
5. 2M-9780 [2] SEAL-O-RING  
6. 7F-8698 [6] BOLT (7/16-14X3.5-IN)  
7. 1D-4703 [2] BOLT (7/16-14X2.5-IN)  
8. 9T-1709 [1] KEY  
9. 6E-1860 [1] HEAD-PUMP  
10. 3J-7354 [3] SEAL-O-RING  
11. 9S-4182 [3] PLUG (7/16-20-THD)  
12. 9T-1652 [1] PIN  
13. 1T-0550 [2] PIN-SPRING  
14. 9T-1699 [1] SPRING  
15. 9T-1710 [1] POPPET  
16. 9T-1636 [1] SEAT  
17. 7T-8273 [1] CUP-BEARING  
18. 7T-8272 [1] CONE-BEARING  
19. 9T-2197 B [1] SHIM PACK (INCLUDES 17-SHIMS)  
20. 9T-1633 [1] PLATE  
21. 9T-1704 Y [1] ROTATING GP-PUMP  
22. 6E-1859 [1] SHAFT-PUMP  
23. 1A-2036 [1] DOWEL  
24. 1J-9671 [1] SEAL-O-RING  
25. 004-9040 [1] CONE-BEARING  
26. 1P-6872 [1] CUP-BEARING  
27. 9T-1630 [1] GASKET  
28. 9T-7743 [1] HOUSING  
29. 9S-3582 [2] CONE-BEARING  
30. 9S-3581 [2] CUP-BEARING  
31. 9T-1711 [2] SPACER  
32. 5P-3863 [2] SEAL-O-RING  
33. 6V-5217 M [8] BOLT (M8X1.25X20-MM)  
34. 9T-1712 [2] COVER  
35. 8T-4750 [1] SEAL-LIP TYPE  
36. 006-8663 [1] RING  
37. 9T-2216 B [1] SHIM PACK  
38. 9T-1706 [1] PISTON AS-CONTROL  
39. 9T-1705 [1] PISTON AS-CONTROL  
40. 9T-1698 [1] SPRING  
41. 9T-7742 [1] SWASHPLATE GP  
42. 9T-3033 [2] STOP  
  B   USE AS REQUIRED
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#MEBP17580301
 

9T-1704: ROTATING GP-PUMP

9T-1704 ROTATING GP-PUMP
S/N 11W1251-99999
PART OF 4T-0501, 6E-1278 PUMP GP-PISTON
i00143841 MEBP1758
9T1704 ROTATING GP-PUMP Parts scheme
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Parts for your 120G MOTOR GRADER:

Pos. Part No Qty Parts name Comments
1. 009-2069 [1] RING  
2. 9T-7754 [1] GUIDE-OUTER  
3. 9T-7755 [1] SPRING  
4. 9T-7756 [1] GUIDE-INNER  
5. 9T-7757 [1] BARREL  
6. 9T-7758 [1] PLATE-WEAR  
7. 9T-7759 [1] PLATE-RETAINING  
8. 9T-7760 [1] SPACER  
9. 9T-7761 [9] PISTON  
 

#MEBP17580302
 

7D-9600: SHAFT GP-PUMP DRIVE

7D-9600 SHAFT GP-PUMP DRIVE
S/N 11W1251-99999
PART OF 2C-8562 CHASSIS AR
Type 1
i00143493 MEBP1758
7D9600 SHAFT GP-PUMP DRIVE Parts scheme
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Parts for your 120G MOTOR GRADER:

Pos. Part No Qty Parts name Comments
1. 0S-1571 [4] BOLT (3/8-16X1.75-IN)  
2. 6G-4240 Y [1] UNIVERSAL JOINT GP-PUMP DRIVE  
3. 0L-0478 [4] BOLT (3/8-24X1.75-IN)  
4. 7D-9267 [1] YOKE  
5. 1B-8737 C [1] KEY-WOODRUFF  
6. 1D-5120 [1] NUT-JAM (3/4-16-THD)  
  5P-8248 [1] WASHER-HARD (20X36.5X3.5-MM THK)  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#MEBP17580303
 

7D-9600: SHAFT GP-PUMP DRIVE

7D-9600 SHAFT GP-PUMP DRIVE
S/N 11W1251-99999
PART OF 2C-8562 CHASSIS AR
Type 2
i00124738 MEBP1758
7D9600 SHAFT GP-PUMP DRIVE Parts scheme
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Parts for your 120G MOTOR GRADER:

Pos. Part No Qty Parts name Comments
1. 0S-1571 [4] BOLT (3/8-16X1.75-IN)  
2. 112-5495 CY [1] UNIVERSAL JOINT GP-PUMP DRIVE  
3. 0L-0478 [4] BOLT (3/8-24X1.75-IN)  
4. 7D-9267 [1] YOKE  
5. 1B-8737 [1] KEY-WOODRUFF  
6. 1D-5120 [1] NUT-JAM (3/4-16-THD)  
  5P-8248 [1] WASHER-HARD (20X36.5X3.5-MM THK)  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#MEBP17580304
 

5T-8739: SPIDER & BEARING GP

5T-8739 SPIDER & BEARING GP
S/N 11W1251-99999
PART OF 6G-4240 UNIVERSAL JOINT GP-PUMP DRIVE
i00743764 MEBP1758
5T8739 SPIDER & BEARING GP Parts scheme
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Parts for your 120G MOTOR GRADER:

Pos. Part No Qty Parts name Comments
1. 8D-0538 [1] FITTING  
 

#MEBP17580305
 

9T-5604: SWIVEL GP

9T-5604 SWIVEL GP
S/N 11W1251-99999
PART OF 8W-2363 LINES GP-HYDRAULIC
i00124924 MEBP1758
9T5604 SWIVEL GP Parts scheme
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Parts for your 120G MOTOR GRADER:

Pos. Part No Qty Parts name Comments
1. 5J-1246 B [6] SHIM (0.13-MM THK)  
2. 4K-1493 [2] SCREW-HOLLOW (1/2-13X1-IN)  
3. 8J-0380 [1] RETAINER  
4. 9T-5603 [1] BODY  
5. 8J-2331 [7] SEAL  
6. 2H-3928 [7] SEAL-O-RING  
7. 8J-0386 [1] ROTOR  
8. 0S-1585 [4] BOLT (1/2-13X1.5-IN)  
  5P-8245 [4] WASHER-HARD (13.5X25.5X3-MM THK)  
9. 3H-0107 [4] SEAL-O-RING  
10. 8J-0377 [1] COVER  
11. 4J-9964 [2] SEAL  
12. 8J-2330 [2] SEAL  
  B   USE AS REQUIRED
 

#MEBP17580306
 

9T-5602: SWIVEL GP-BLADE SHIFT

9T-5602 SWIVEL GP-BLADE SHIFT
S/N 11W1251-99999
PART OF 8W-2364 LINES GP-HYDRAULIC
i00143869 MEBP1758
9T5602 SWIVEL GP-BLADE SHIFT Parts scheme
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Parts for your 120G MOTOR GRADER:

Pos. Part No Qty Parts name Comments
1. 8J-4564 [1] RETAINER  
2. 4K-1493 [2] SCREW-HOLLOW (1/2-13X1-IN)  
3. 8J-5512 B [6] SHIM (0.13-MM THK)  
4. 8J-4562 [2] SEAL  
5. 8J-4561 [2] SEAL  
6. 8J-5863 [5] SEAL AS  
7. 9T-5601 [1] BODY  
8. 8J-4566 [1] ROTOR  
9. 9S-4185 [2] PLUG (3/4-16-THD)  
  3K-0360 [2] SEAL-O-RING  
  B   USE AS REQUIRED
 

#MEBP17580307
 

2G-8220: TANK & MTG GP-HYDRAULIC

2G-8220 TANK & MTG GP-HYDRAULIC
S/N 11W1251-99999
PART OF 2C-8562 CHASSIS AR
i00143217 MEBP1758
2G8220 TANK & MTG GP-HYDRAULIC Parts scheme
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Parts for your 120G MOTOR GRADER:

Pos. Part No Qty Parts name Comments
1. 6G-8020 Y [1] TANK GP-HYDRAULIC  
2. 9M-1853 [4] MOUNTING  
3. 1B-4287 [4] WASHER (14.3X58.7X5-MM THK)  
4. 1A-5822 [4] BOLT (1/2-13X2.75-IN)  
  1D-4719 [4] NUT-FULL (1/2-13-THD)  
5. 2G-7173 [1] BRACKET  
6. 2G-7175 [2] SUPPORT AS  
    (EACH INCLUDES)
  2D-6414 [1] WASHER (0.281X1.406X0.188-IN THK)  
7. 0S-1595 [4] BOLT (1/2-13X1.25-IN)  
8. 5P-8245 [16] WASHER-HARD (13.5X25.5X3-MM THK)  
9. 2G-7172 [1] BRACKET  
10. 6G-5279 [4] BLOCK  
11. 6F-5282 [4] BOLT (1/2-13X5.25-IN)  
  2G-8212 [4] SPACER  
12. 8F-6437 [4] WASHER (13.5X50.8X4.76-MM THK)  
  Y   SEPARATE ILLUSTRATION
 

#MEBP17580308
 

6G-8020: TANK GP-HYDRAULIC

6G-8020 TANK GP-HYDRAULIC
S/N 11W1251-99999
PART OF 2G-8220 TANK & MTG GP-HYDRAULIC
i00143444 MEBP1758
6G8020 TANK GP-HYDRAULIC Parts scheme
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Parts for your 120G MOTOR GRADER:

Pos. Part No Qty Parts name Comments
1. 8D-5016 [1] PLATE  
2. 6J-1081 [1] GLASS-SIGHT  
3. 6J-1080 [1] GROMMET  
4. 6J-1079 [1] RETAINER-GLASS  
5. 2K-4973 [60] LOCKNUT (3/8-16-THD)  
6. 5M-2894 C [12] WASHER-HARD (10.2X18.5X2.5-MM THK)  
7. 8D-5489 [1] SCREEN AS  
8. 2H-3928 [1] SEAL-O-RING  
9. 9H-6454 [1] GASKET  
10. 2D-4202 [1] PLATE  
11. 7H-1447 [1] CAP-FILLER (HYDRAULIC)  
12. 8T-2275 [1] BALL  
13. 3G-0361 [1] GASKET  
14. 9J-3047 [1] STRAINER  
15. 9D-8312 [1] TUBE AS  
16. 4F-8824 [1] SEAL-O-RING  
17. 9D-8315 [1] TUBE AS  
18. 2G-7171 [2] PLATE  
19. 5K-9107 [2] BOLT-LOCKING (3/8-16X0.75-IN)  
20. 2S-5100 [1] VALVE-MANUAL  
21. 2S-4078 [1] SEAL-O-RING  
22. 8D-8372 [2] RETAINER AS  
23. 2J-6133 [2] SPRING  
24. 1D-4676 [48] BOLT-CARRIAGE (3/8-16X0.875-IN)  
25. 9S-4185 [1] PLUG (3/4-16-THD)  
  3K-0360 [1] SEAL-O-RING  
26. 8D-5403 [2] SPACER  
27. 8D-4595 [2] SEAT-VALVE  
28. 9D-8538 [2] VALVE  
29. 6J-8391 [2] SPRING  
30. 8D-5401 [2] RETAINER  
31. 8D-5388 [2] BOLT-SPECIAL  
32. 2K-4973 [2] LOCKNUT (3/8-16-THD)  
33. 1R-0719 [2] FILTER ELEMENT AS-OIL (STANDARD EFFICIENCY)  
34. 5H-6734 [2] SEAL-O-RING  
35. 7B-3235 [4] BOLT (1/2-13X1.375-IN)  
36. 5P-8245 [8] WASHER-HARD (13.5X25.5X3-MM THK)  
37. 6G-5118 [1] MANIFOLD  
38. 9S-6130 [1] PLUG  
39. 2B-0947 [4] BOLT (1/2-13X2.25-IN)  
40. 2D-5383 [1] GASKET  
41. 6G-5277 [1] COVER  
42. 8T-9407 [4] BOLT-CARRIAGE (3/8-16X1.25-IN)  
43. 8W-5713 [1] TANK AS  
  C   CHANGE FROM PREVIOUS TYPE
 

#MEBP17580309
 

112-5495: UNIVERSAL JOINT GP-PUMP DRIVE

112-5495 UNIVERSAL JOINT GP-PUMP DRIVE
S/N 11W1251-99999
PART OF 7D-9600 SHAFT GP-PUMP DRIVE
i00125009 MEBP1758
1125495 UNIVERSAL JOINT GP-PUMP DRIVE Parts scheme
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Parts for your 120G MOTOR GRADER:

Pos. Part No Qty Parts name Comments
1. 5T-1362 [2] SPIDER & BEARING AS  
2. 6G-4357 [1] YOKE AS-SLIP  
3. 027-1287 [1] FITTING-GREASE  
4. 9K-2721 [2] LOCKWASHER  
5. 6G-6623 [1] SEAL  
6. 5H-3593 [1] RETAINER-FELT  
7. 6G-4358 [1] YOKE  
8. 0L-0478 [8] BOLT (3/8-24X1.75-IN)  
 

Information:

Tool Operating Manual
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
Service Magazine
Cover Plate, Flange are Available for Use During Flow Tests on the Main Hydraulic Pumps {0738, 5070, 5084}
2005/04/25

Caterpillar Parts SIS Catalog 120G :

PUMP GP-PISTON
4T-0501 PUMP GP-PISTON
PUMP GP-METERING
4T-6817 PUMP GP-METERING
PUMP & MTG GP-PISTON
8W-6540 PUMP & MTG GP-PISTON
PUMP & MTG GP-PISTON
8W-6540 PUMP & MTG GP-PISTON
MOTOR GP-GEROTOR
9T-5976 MOTOR GP-GEROTOR
MOTOR GP-GEROTOR
8J-5407 MOTOR GP-GEROTOR
MANIFOLD GP-CONTROL
7T-6517 MANIFOLD GP-CONTROL
LOCK GP-CENTERSHIFT
9D-1275 LOCK GP-CENTERSHIFT
ROTATING GP-PUMP
9T-1704 ROTATING GP-PUMP
SHAFT GP-PUMP DRIVE
7D-9600 SHAFT GP-PUMP DRIVE
SHAFT GP-PUMP DRIVE
7D-9600 SHAFT GP-PUMP DRIVE
SPIDER & BEARING GP
5T-8739 SPIDER & BEARING GP
SWIVEL GP
9T-5604 SWIVEL GP
SWIVEL GP-BLADE SHIFT
9T-5602 SWIVEL GP-BLADE SHIFT
TANK & MTG GP-HYDRAULIC
2G-8220 TANK & MTG GP-HYDRAULIC
TANK GP-HYDRAULIC
6G-8020 TANK GP-HYDRAULIC

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