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179-9775 MOTOR GP-SWING S/N MSG1-UP PART OF 179-9774 MOTOR & MTG GP-SWING 325C MOBILE HYD POWER UNIT


HYDRAULIC SYSTEM
MOTOR GP
MOUNTING GP
VALVE GP-CONTROL
PUMP GP
FILTER GP

MOBILE HYD POWER UNIT 325C MOBILE HYD POWER UNIT MSG
 325C Mobile Hydraulic Power Unit MSG00001-UP (MACHINE) POWERED BY 3126B Engine SEBP5190 325C MSG   (2007)

HYDRAULIC SYSTEM

MOTOR GP
COOLER & MTG GP-HYDRAULIC OIL
201-3761 COOLER & MTG GP-HYDRAULIC OIL
MOTOR & MTG GP-SWING
179-9774 MOTOR & MTG GP-SWING
MOTOR & MTG GP-SWING
179-9774 MOTOR & MTG GP-SWING
MOTOR GP-PISTON
179-9778 MOTOR GP-PISTON
MOTOR GP-SWING
179-9775 MOTOR GP-SWING
MOTOR GP-SWING
188-4175 MOTOR GP-SWING
MOTOR GP-SWING
334-9971 MOTOR GP-SWING
MOTOR GP-SWING
334-9978 MOTOR GP-SWING
 

#SEBP51900250
 

179-9775: MOTOR GP-SWING

179-9775 MOTOR GP-SWING
S/N MSG1-UP
PART OF 179-9774 MOTOR & MTG GP-SWING
i01483752 SEBP5190
1799775 MOTOR GP-SWING Parts scheme
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Parts for your 325C MOBILE HYD POWER UNIT:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 184-3830 Y [2] VALVE GP-RELIEF (SWING MOTOR)  
2. 188-4175 Y [1] MOTOR GP-SWING  
  Y   SEPARATE ILLUSTRATION
 

#SEBP51900251
 

188-4175: MOTOR GP-SWING

188-4175 MOTOR GP-SWING
S/N MSG1-UP
PART OF 179-9775 MOTOR GP-SWING
i01437071 SEBP5190
1884175 MOTOR GP-SWING Parts scheme
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Parts for your 325C MOBILE HYD POWER UNIT:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 188-4163 [1] SHAFT  
2. 096-1533 J [1] SEAL-LIP TYPE  
3. 188-4170 [1] BEARING  
4. 188-4169 [1] BODY  
5. 188-4165 [1] PLATE  
6. 188-4167 [1] PLATE  
7. 295-9686 [1] PISTON AS  
8. 188-4166 [1] PLATE  
9. 188-4164 [1] BARREL  
10. 188-4172 [3] PLATE-FRICTION  
11. 188-4173 [4] PLATE-SEPARATOR  
12. 7Y-4290 [1] PISTON-BRAKE  
13. 5J-2383 J [1] SEAL-O-RING  
14. 7Y-4294 J [1] SEAL-O-RING  
15. 4I-5849 J [1] SEAL-O-RING  
16. 123-2139 [20] SPRING  
17. 188-4162 [1] HEAD GP-MOTOR  
  099-8111 [2] PIN-SPRING  
18. 3J-1907 J [2] SEAL-O-RING  
19. 110-5525 [2] PLUG  
20. 204-2677 [1] PLATE-VALVE  
21. 188-4171 [1] BEARING  
22. 170-9996 [2] PLUG  
23. 170-9985 [2] VALVE-PISTON  
24. 7Y-5221 M [4] BOLT-SOCKET HEAD (M20X2.5X45-MM)  
25. 170-9986 [2] SPRING  
26. 095-1600 J [2] SEAL-O-RING  
   
    AVAILABLE REPAIR KIT(S):
  188-4176 J KIT-SEAL (SWING MOTOR)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP51900252
 

334-9971: MOTOR GP-SWING

334-9971 MOTOR GP-SWING
S/N MSG1-UP
PART OF 179-9774 MOTOR & MTG GP-SWING
FIELD REPLACEMENT FOR @@@@@179-9775@@@@@
i03727920 SEBP5190
3349971 MOTOR GP-SWING Parts scheme
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Parts for your 325C MOBILE HYD POWER UNIT:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 184-3830 Y [2] VALVE GP-RELIEF (SWING MOTOR)  
2. 334-9978 Y [1] MOTOR GP-SWING  
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP51900253
 

334-9978: MOTOR GP-SWING

334-9978 MOTOR GP-SWING
S/N MSG1-UP
PART OF 334-9971 MOTOR GP-SWING
FIELD REPLACEMENT FOR @@@@@188-4175@@@@@
i03728260 SEBP5190
3349978 MOTOR GP-SWING Parts scheme
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Parts for your 325C MOBILE HYD POWER UNIT:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 188-4163 [1] SHAFT  
2. 096-1533 J [1] SEAL-LIP TYPE  
3. 188-4170 [1] BEARING  
4. 188-4169 [1] BODY  
5. 188-4165 [1] PLATE  
6. 188-4167 [1] PLATE  
7. 334-9982 [1] PISTON AS  
8. 188-4166 [1] PLATE  
9. 188-4164 [1] BARREL  
10. 188-4172 [3] PLATE-FRICTION  
11. 188-4173 [4] PLATE-SEPARATOR  
12. 7Y-4290 [1] PISTON-BRAKE  
13. 5J-2383 J [1] SEAL-O-RING  
14. 7Y-4294 J [1] SEAL-O-RING  
15. 4I-5849 J [1] SEAL-O-RING  
16. 123-2139 [20] SPRING  
17. 188-4162 [1] HEAD GP-MOTOR  
  099-8111 [2] PIN-SPRING  
18. 3J-1907 J [2] SEAL-O-RING  
19. 110-5525 [2] PLUG  
20. 204-2677 [1] PLATE-VALVE  
21. 188-4171 [1] BEARING  
22. 170-9996 [2] PLUG  
23. 170-9985 [2] VALVE-PISTON  
24. 7Y-5221 M [4] BOLT-SOCKET HEAD (M20X2.5X45-MM)  
25. 170-9986 [2] SPRING  
26. 095-1600 J [2] SEAL-O-RING  
   
    AVAILABLE REPAIR KIT(S):
  188-4176 J [1] KIT-SEAL (SWING MOTOR)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP51900254
 

212-5394: MOUNTING GP-MAIN CONTROL VALVE

212-5394 MOUNTING GP-MAIN CONTROL VALVE
S/N MSG1-UP
PART OF 212-8780 HYDRAULIC AR
i01707424 SEBP5190
2125394 MOUNTING GP-MAIN CONTROL VALVE Parts scheme
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Parts for your 325C MOBILE HYD POWER UNIT:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 176-4810 [1] SUPPORT AS  
2. 221-5073 [1] SUPPORT AS  
3. 100-3866 M [8] BOLT-SELF-LOCKING (M16X2X40-MM)  
4. 9X-8257 [4] WASHER (17.5X30X3.5-MM THK)  
5. 196-0711 [4] WASHER (17X40X8-MM THK)  
  M   METRIC PART
 

#SEBP51900255
 

6E-4816: PLUG GP-CONTROL VALVE

6E-4816 PLUG GP-CONTROL VALVE
S/N MSG1-UP
PART OF 258-0282 VALVE GP-CONTROL
i00400844 SEBP5190
6E4816 PLUG GP-CONTROL VALVE Parts scheme
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Parts for your 325C MOBILE HYD POWER UNIT:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3D-2824 [1] SEAL-O-RING  
2. 6M-5062 [1] SEAL-O-RING  
3. 9J-0705 [1] RING-BACKUP  
4. 6E-4815 [1] PLUG  
 

#SEBP51900256
 

178-6641: PUMP & MTG GP-MAIN HYDRAULIC

178-6641 PUMP & MTG GP-MAIN HYDRAULIC
S/N MSG1-UP
PART OF 212-8780 HYDRAULIC AR
i02490530 SEBP5190
1786641 PUMP & MTG GP-MAIN HYDRAULIC Parts scheme
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Parts for your 325C MOBILE HYD POWER UNIT:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 239-6598 CY [1] COUPLING GP-PUMP  
2. 244-8477 Y [1] PUMP GP-MAIN HYDRAULIC  
3. 7X-7729 [9] WASHER (11X25X3-MM THK)  
4. 8T-4195 M [9] BOLT (M10X1.5X30-MM)  
  C   CHANGE FROM PREVIOUS TYPE
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP51900257
 

244-8477: PUMP GP-MAIN HYDRAULIC

244-8477 PUMP GP-MAIN HYDRAULIC
S/N MSG1-UP
PART OF 178-6641 PUMP & MTG GP-MAIN HYDRAULIC
i02185551 SEBP5190
2448477 PUMP GP-MAIN HYDRAULIC Parts scheme 2448477 PUMP GP-MAIN HYDRAULIC Parts scheme 2448477 PUMP GP-MAIN HYDRAULIC Parts scheme
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Parts for your 325C MOBILE HYD POWER UNIT:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4I-1022 [2] ORIFICE  
2. 7Y-4215 [2] SPACER  
3. 096-3983 [1] RING-RETAINING  
4. 096-4389 [18] SPRING  
5. 129-7853 [2] PLATE  
6. 129-7854 [1] CASE  
7. 129-7855 [1] GASKET  
8. 129-7857 [1] GASKET  
9. 129-7863 [1] COVER  
10. 129-7921 [2] RING-RETAINING  
11. 129-7925 [1] SEAL-LIP TYPE  
12. 129-7927 [2] BEARING  
13. 129-7979 [4] DOWEL  
14. 150-5782 [2] COVER  
15. 173-3427 [2] GUIDE-BALL  
16. 177-2470 [1] COVER  
17. 177-2471 [1] COVER  
18. 177-8740 [1] SEAL-O-RING  
19. 179-9763 [1] FLANGE  
20. 188-4210 [2] PISTON AS  
21. 192-0573 [4] PIN-DOWEL  
22. 194-8325 [2] SET-BEARING  
23. 194-8371 [1] BARREL AS (DRIVE)  
24. 194-8374 [1] BARREL AS (DRIVEN)  
25. 200-3325 [1] SHAFT-DRIVEN  
26. 200-3333 [1] HEAD-PUMP  
27. 200-3334 [1] COVER  
28. 200-3406 J [1] PUMP GP-GEAR  
  3G-5083 [1] SEAL-LIP TYPE  
  9T-0836 [1] RING-RETAINING  
29. 200-3413 [1] COUPLING  
30. 200-3417 [1] SHAFT-DRIVE  
31. 209-5889 Y [1] ACTUATOR GP-PUMP (DRIVE)  
32. 209-5890 Y [1] ACTUATOR GP-PUMP (DRIVEN)  
33. 242-6801 [2] SWASHPLATE AS  
    (EACH INCLUDES)
  094-1875 [1] DOWEL  
  173-3428 [1] BUSHING  
  242-6803 [2] PIN-DOWEL  
34. 242-6804 [4] BEARING  
35. 9S-4185 [2] PLUG (3/4-16-THD)  
36. 247-8782 [1] BODY  
37. 247-8920 [2] ORIFICE  
38. 094-1875 [6] DOWEL  
39. 094-1882 [16] PLUG  
40. 095-0946 [2] RING-RETAINING  
41. 095-7419 [4] SCREW-DRIVE  
42. 096-3944 [1] SEAL-O-RING  
43. 189-9763 [8] SEAL-O-RING  
44. 190-4896 [2] PLUG  
45. 193-1736 [4] SEAL-O-RING  
46. 3K-0360 [2] SEAL-O-RING  
47. 7M-8485 [2] SEAL-O-RING  
48. 7X-2557 M [1] BOLT (M16X2X140-MM)  
49. 8J-4645 [2] PLUG (STRAIGHT THREAD O-RING)  
50. 8T-3338 [2] SEAL-O-RING  
51. 8T-4136 M [20] BOLT (M10X1.5X25-MM)  
52. 8T-4139 M [10] BOLT (M12X1.75X30-MM)  
53. 8T-4140 M [4] BOLT (M16X2X60-MM)  
54. 8T-4175 M [2] BOLT (M16X2X90-MM)  
55. 8T-4176 M [2] BOLT (M12X1.75X90-MM)  
56. 8T-4192 M [10] BOLT (M12X1.75X25-MM)  
57. 8T-4196 M [2] BOLT (M10X1.5X35-MM)  
   
    AVAILABLE REPAIR KIT(S):
  204-2792 J [1] KIT-SEAL (GEAR PUMP)  
  J   KIT MARKED J AVAILABLE FOR PART MARKED J
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP51900258
 

204-2774: ROTATING GP-PUMP

204-2774 ROTATING GP-PUMP
S/N MSG1-UP
PART OF 179-9778 MOTOR GP-PISTON
i01599608 SEBP5190
2042774 ROTATING GP-PUMP Parts scheme
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Parts for your 325C MOBILE HYD POWER UNIT:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 204-2789 [3] PIN  
2. 204-2783 [1] PLATE  
3. 204-2790 [1] RING  
4. 204-2785 [1] BARREL  
5. 204-2788 [1] SPRING  
6. 204-2791 [1] WASHER  
7. 204-2787 [1] GUIDE-BALL  
8. 204-2784 [9] PISTON AS  
9. 204-2786 [1] PLATE  
 

#SEBP51900259
 

259-0922: SCREEN GP-HYDRAULIC

259-0922 SCREEN GP-HYDRAULIC -TANK
S/N MSG1-UP
PART OF 176-4617 TANK & FILTER GP-HYDRAULIC
i02387123 SEBP5190
2590922 SCREEN GP-HYDRAULIC Parts scheme
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Parts for your 325C MOBILE HYD POWER UNIT:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 209-6000 [1] SCREEN AS (HYDRAULIC TANK)  
2. 259-0918 [1] GUIDE  
3. 095-6639 [1] SPRING  
4. 129-7784 [1] ROD  
5. 5H-5672 [1] SEAL-O-RING  
6. 8T-4133 M [2] NUT (M10X1.5-THD)  
  M   METRIC PART
 

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}

Caterpillar Parts SIS Catalog 325C :

MOTOR GP-PISTON
179-9778 MOTOR GP-PISTON
MOTOR & MTG GP-SWING
179-9774 MOTOR & MTG GP-SWING
MOTOR & MTG GP-SWING
179-9774 MOTOR & MTG GP-SWING
MANIFOLD GP-CONTROL
239-8998 MANIFOLD GP-CONTROL
MANIFOLD GP-CONTROL
239-8697 MANIFOLD GP-CONTROL
215-5037 MANIFOLD GP-CONTROL
LINES GP-SWING MOTOR
179-7798 LINES GP-SWING MOTOR
LINES GP-RETURN & FILTER
179-7800 LINES GP-RETURN & FILTER
MOTOR GP-SWING
188-4175 MOTOR GP-SWING
MOTOR GP-SWING
334-9971 MOTOR GP-SWING
MOTOR GP-SWING
334-9978 MOTOR GP-SWING
MOUNTING GP-MAIN CONTROL VALVE
212-5394 MOUNTING GP-MAIN CONTROL VALVE
PLUG GP-CONTROL VALVE
6E-4816 PLUG GP-CONTROL VALVE
PUMP & MTG GP-MAIN HYDRAULIC
178-6641 PUMP & MTG GP-MAIN HYDRAULIC
PUMP GP-MAIN HYDRAULIC
244-8477 PUMP GP-MAIN HYDRAULIC
ROTATING GP-PUMP
204-2774 ROTATING GP-PUMP

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