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398-8976 PUMP GP-GEAR -STEERING S/N M4R1-UP PART OF 390-6485 PUMP & MTG GP-STEERING & FAN 844K WHEEL DOZER


STEERING SYSTEM
PUMP GP
BRAKING SYSTEM
PUMP GP
CONTROL GP
STEERING SYSTEM
LINES GP

WHEEL DOZER 844K WHEEL DOZER M4R
 844K Wheel Dozer M4R00001-UP (MACHINE) POWERED BY C27 Engine M0084737 844K M4R   (2014)

STEERING SYSTEM

PUMP GP
PUMP & MTG GP-STEERING & FAN
390-6485 PUMP & MTG GP-STEERING & FAN
PUMP GP-GEAR
101-4007 PUMP GP-GEAR
PUMP GP-GEAR
398-8976 PUMP GP-GEAR
PUMP GP-PISTON
392-0757 PUMP GP-PISTON
PUMP GP-PISTON
392-0757 PUMP GP-PISTON
PUMP GP-PISTON
395-0834 PUMP GP-PISTON
 

#M00847370720
 

398-8976: PUMP GP-GEAR

398-8976 PUMP GP-GEAR -STEERING
S/N M4R1-UP
PART OF 390-6485 PUMP & MTG GP-STEERING & FAN
i05688430 M0084737
3988976 PUMP GP-GEAR Parts scheme
  For full view, you need register

Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
    PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY
   
    AVAILABLE REPAIR KIT(S):
  135-3489 [1] KIT-SEAL  
    (INCLUDES PART(S) MARKED J ON GRAPHIC)
    (INCLUDES SEAL SHAFT, O-RINGS, E-SEALS, BACK-UP RINGS & RETAINING RING)
 

#M00847370721
 

392-0757: PUMP GP-PISTON

392-0757 PUMP GP-PISTON -FAN
S/N M4R1-UP
PART OF 390-6485 PUMP & MTG GP-STEERING & FAN
Type 1
i05966708 M0084737
3920757 PUMP GP-PISTON Parts scheme
  For full view, you need register

Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 371-7952 Y [1] ROTATING GP-PUMP (PISTON)  
2. 290-0824 [1] SWASHPLATE  
3. 244-7353 [1] SHAFT  
4. 430-7539 [1] COUPLER  
5. 247-3761 [1] SPACER (45X3-MM THK)  
6. 1B-3908 [1] CONE-BEARING  
7. 1B-3909 [1] CUP-BEARING  
8. 6Y-2736 [1] CONE-BEARING  
9. 6Y-2737 [1] CUP-BEARING  
10. 176-7507 [2] BEARING-CRADLE  
11. 203-1095 [1] SEAL  
12. 107-3114 [1] SEAL-O-RING  
13. 5P-9186 [4] SEAL-O-RING  
14. 227-5904 [1] SEAL-O-RING  
15. 095-0942 [1] RING-RETAINING  
16. 7Y-0467 M [4] BOLT-SOCKET HEAD (M18X2.5X55-MM)  
17. 3D-2824 [1] SEAL-O-RING  
18. 9S-4183 [1] PLUG (1-1/16-12-THD)  
19. 120-4394 [1] PLUG-BREAK OFF  
20. 7X-2438 [1] DOWEL  
21. 371-7953 [1] PLATE  
22. 176-7512 [1] SPRING  
23. 176-7517 [1] PISTON-CONTROL  
24. 176-7513 [1] PLUNGER  
25. 176-7511 [1] GUIDE-PLUNGER  
26. 176-7692 [1] SLEEVE-STOP  
27. 176-7518 [1] GUIDE-PISTON  
28. 440-0156 CY [1] VALVE GP-PUMP CONTROL (PRESSURE, FLOW COMPENSATOR)  
29. 280-7870 [1] GASKET  
30. 8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
  C   CHANGE FROM PREVIOUS TYPE
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M00847370722
 

392-0757: PUMP GP-PISTON

392-0757 PUMP GP-PISTON -FAN
S/N M4R1-UP
PART OF 390-6485 PUMP & MTG GP-STEERING & FAN
Type 2
i07360265 M0084737
3920757 PUMP GP-PISTON Parts scheme
  For full view, you need register

Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 371-7952 Y [1] ROTATING GP-PUMP (PISTON)  
2. 290-0824 [1] SWASHPLATE  
3. 244-7353 [1] SHAFT  
4. 430-7539 [1] COUPLER  
5. 247-3761 [1] SPACER (45X3-MM THK)  
6. 1B-3908 [1] CONE-BEARING  
7. 1B-3909 [1] CUP-BEARING  
8. 6Y-2736 [1] CONE-BEARING  
9. 6Y-2737 [1] CUP-BEARING  
10. 176-7507 [2] BEARING-CRADLE  
11. 203-1095 [1] SEAL  
12. 107-3114 [1] SEAL-O-RING  
13. 5P-9186 [4] SEAL-O-RING  
14. 227-5904 [1] SEAL-O-RING  
15. 095-0942 [1] RING-RETAINING  
16. 7Y-0467 M [4] BOLT-SOCKET HEAD (M18X2.5X55-MM)  
17. 3D-2824 [1] SEAL-O-RING  
18. 9S-4183 [1] PLUG (1-1/16-12-THD)  
19. 120-4394 [1] PLUG-BREAK OFF  
20. 7X-2438 [1] DOWEL  
21. 371-7953 [1] PLATE  
22. 176-7512 [1] SPRING  
23. 176-7517 [1] PISTON-CONTROL  
24. 176-7513 [1] PLUNGER  
25. 176-7511 [1] GUIDE-PLUNGER  
26. 176-7692 [1] SLEEVE-STOP  
27. 176-7518 [1] GUIDE-PISTON  
28. 340-2110 CY [1] VALVE GP-PUMP CONTROL (PRESSURE, FLOW COMPENSATOR)  
29. 280-7870 [1] GASKET  
30. 8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
  C   CHANGE FROM PREVIOUS TYPE
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M00847370723
 

395-0834: PUMP GP-PISTON

395-0834 PUMP GP-PISTON -STEERING
S/N M4R1-UP
PART OF 390-6485 PUMP & MTG GP-STEERING & FAN
i05706248 M0084737
3950834 PUMP GP-PISTON Parts scheme 3950834 PUMP GP-PISTON Parts scheme
  For full view, you need register

Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6E-1024 Y [1] VALVE GP-PUMP CONTROL (PRESSURE, FLOW COMPENSATOR)  
2. 179-6928 [1] PISTON  
3. 145-3166 [1] VALVE GP-PUMP CONTROL (PRESSURE COMPENSATOR)  
  5I-4306 [1] SPRING  
  145-3791 [1] PISTON  
  145-3792 B [1] ROD (128.2-MM LG)  
    -OR-
  145-3793 B [1] ROD (128-MM LG)  
    -OR-
  145-3794 B [1] ROD (127.8-MM LG)  
4. 117-5716 [4] PIN  
5. 178-4013 [1] IMPELLER  
6. 145-3169 [2] PIN-THREADED  
7. 145-3171 [2] LOCKNUT-SEAL  
8. 9T-3928 [4] PLUG AS  
    (EACH INCLUDES)
  187-8001 [1] SEAL  
9. 9X-2404 M [4] BOLT-SOCKET HEAD (M20X2.5X90-MM)  
10. 8F-6230 [1] SEAL-O-RING  
11. 7M-8485 [3] SEAL-O-RING  
12. 9S-9334 [3] PLUG (1-5/16-12-THD)  
13. 170-9900 [2] PIN  
14. 258-0068 [2] RING-RETAINING  
15. 3J-1907 [6] SEAL-O-RING  
16. 9S-8004 [6] PLUG (9/16-18-THD)  
17. 170-9907 [1] PLUG  
18. 293-3250 [1] BARREL AS  
19. 292-2697 [1] PLATE-CONTROL  
20. 145-3771 [1] CRADLE  
21. 236-1835 [1] SHAFT-DRIVE  
22. 145-3773 [4] ROLLER  
23. 6E-3840 [4] ROD  
24. 145-3774 [1] LINER-BEARING  
25. 145-3775 [2] RETAINER  
26. 5I-4275 [1] BEARING-ROLLER  
27. 145-3776 [1] CAGE  
28. 095-0927 [1] RING-RETAINING  
29. 124-9913 [2] SEAL-SHAFT  
30. 2J-8163 [1] SEAL-O-RING  
31. 5H-3252 [1] SEAL-O-RING  
32. 8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
33. 4I-5957 [4] RING  
34. 6V-5683 M [4] BOLT (M6X1X16-MM)  
35. 5I-4374 [1] BEARING-ROLLER  
36. 120-4394 [7] PLUG-BREAK OFF  
37. 5I-4341 [2] DOWEL  
38. 2Y-5578 [1] PIN  
39. 179-6919 [1] ORIFICE  
40. 144-9102 [1] ORIFICE  
41. 258-4470 [1] COUPLING  
42. 2H-3935 [1] SEAL-O-RING  
43. 501-1419 [2] SEAL-O-RING  
44. 6V-8201 M [4] BOLT-SOCKET HEAD (M16X2X45-MM)  
45. 8T-8441 M [8] BOLT-SOCKET HEAD (M12X1.75X25-MM)  
46. 087-4772 [2] PLUG-O-RING  
47. 241-6916 [1] PIN-THREADED  
48. 145-3780 [1] ROD  
49. 5I-4303 [1] SPRING  
50. 145-3783 [1] SLEEVE  
51. 3E-8025 M [5] BOLT-SOCKET HEAD (M8X1.25X50-MM)  
  B   USE AS REQUIRED
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M00847370724
 

398-8977: PUMP GP-PISTON

398-8977 PUMP GP-PISTON -BRAKE, STEERING
S/N M4R1-UP
PART OF 390-6485 PUMP & MTG GP-STEERING & FAN
i05688429 M0084737
3988977 PUMP GP-PISTON Parts scheme
  For full view, you need register

Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 189-4710 Y [1] ROTATING GP-PUMP  
2. 379-5187 [1] SPRING  
3. 333-7840 [1] STOP  
4. 5W-4819 [1] SEAL-O-RING  
5. 198-5351 [1] PLUG  
6. 333-7843 [1] SPRING  
7. 189-4716 [1] SHIM (2.5-MM THK)  
8. 333-7844 [1] RING  
9. 203-8609 [1] CUP-BEARING  
10. 105-3035 [1] CONE-BEARING  
11. 189-4718 [1] BEARING  
12. 333-7845 [1] BEARING-CRADLE (LH)  
13. 333-7846 [1] BEARING-CRADLE (RH)  
14. 6R-7943 M [2] SCREW (M5X0.8X15-MM)  
15. 189-4720 [1] SEAL-SHAFT  
16. 204-3334 [1] SEAL-O-RING  
17. 8T-9597 [1] RING-RETAINING  
18. 6V-8337 M [4] BOLT-SOCKET HEAD (M8X1.25X35-MM)  
19. 123-9769 [2] PLUG  
20. 112-4640 [1] PIN  
21. 189-4726 [1] PLATE  
22. 8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
23. 280-7870 [1] GASKET  
24. 421-1062 Y [1] VALVE GP-PUMP CONTROL (PISTON)  
25. 8T-7525 [1] SEAL-O-RING  
26. 416-8814 [1] SWASHPLATE  
27. 434-8956 [1] SHAFT  
28. 416-8817 [1] PISTON-CONTROL  
29. [1] COUPLER  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M00847370725
 

189-4710: ROTATING GP-PUMP

189-4710 ROTATING GP-PUMP
S/N M4R1-UP
PART OF 398-8977 PUMP GP-PISTON
i01364891 M0084737
1894710 ROTATING GP-PUMP Parts scheme
  For full view, you need register

Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 189-4724 [1] KIT-PISTON  
    (INCLUDES 9 SETS OF PISTON ASSEMBLY)
2. 189-4725 [1] BARREL  
3. 189-4726 [1] PLATE  
4. 189-4727 [1] PLATE  
5. 189-4728 [1] BEARING  
6. 189-4729 [1] SPRING  
7. 189-4730 [3] PIN  
8. 8C-3312 [1] RING-RETAINING  
9. 189-4732 [1] SPACER (17.6X26.5X2-MM THK)  
 

#M00847370726
 

371-7952: ROTATING GP-PUMP

371-7952 ROTATING GP-PUMP
S/N M4R1-UP
PART OF 392-0757 PUMP GP-PISTON
i04896013 M0084737
3717952 ROTATING GP-PUMP Parts scheme
  For full view, you need register

Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 191-7587 [9] PISTON AS  
2. 191-7589 [1] BARREL  
3. 371-7953 [1] PLATE  
4. 371-7957 [1] PLATE  
5. 290-0461 [1] BEARING  
6. 191-7594 [1] SPRING  
7. 191-7596 [3] PIN  
8. 095-0939 [1] RING-RETAINING  
9. 191-7597 [1] SPACER (41X55X3-MM THK)  
 

#M00847370727
 

288-5769: SCREEN GP-HIGH PRESSURE

288-5769 SCREEN GP-HIGH PRESSURE
S/N M4R1-UP
PART OF 390-6581 LINES GP-STEERING
i02610368 M0084737
2885769 SCREEN GP-HIGH PRESSURE Parts scheme
  For full view, you need register

Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 104-3895 [1] SCREEN AS-HIGH PRESSURE (HYDRAULIC)  
2. 118-8310 [1] SEAL  
3. 197-0027 [1] PLUG  
4. 287-1502 [1] HOUSING  
5. 1H-8128 [1] SEAL-O-RING  
 

#M00847370728
 

418-8181: STOP GP-STEERING

418-8181 STOP GP-STEERING
S/N M4R1-UP
PART OF 386-8363 VALVE & LINES GP-STEERING NEUT
i05688411 M0084737
4188181 STOP GP-STEERING Parts scheme
  For full view, you need register

Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8X-3467 [2] STUD AS  
    (EACH INCLUDES)
  2H-2722 [1] LUG  
2. 418-8180 [1] BRACKET AS  
  6V-9632 M [2] NUT-WELD (M6X1-THD)  
  8T-3597 M [2] NUT-WELD (M12X1.75-THD)  
  9R-2613 M [1] BOSS-WELD (M10X1.5X25-MM)  
3. 329-3356 M [2] NUT (M12X1.75-THD)  
  M   METRIC PART
 

#M00847370729
 

386-8363: VALVE & LINES GP-STEERING NEUT

386-8363 VALVE & LINES GP-STEERING NEUT
S/N M4R1-UP
PART OF 386-8330 HYDRAULIC AR
i05688575 M0084737
3868363 VALVE & LINES GP-STEERING NEUT Parts scheme
  For full view, you need register

Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 111-7775 Y [1] VALVE GP-CHECK (STEERING QUAD)  
2. 116-9331 [1] JUNCTION BLOCK  
3. 143-2529 I [1] HOSE AS  
4. 184-6690 I [1] HOSE AS  
5. 200-6345 [1] SADDLE-MOUNTING (DUAL SWIVEL)  
6. 212-6989 I [2] HOSE AS  
7. 237-6376 I [1] HOSE AS  
8. 246-4478 I [1] HOSE AS  
9. 283-3516 I [1] HOSE AS  
10. 296-5662 Y [2] VALVE GP-STEERING NEUTRALIZER (HMU)  
11. 316-4378 I [1] HOSE AS  
12. 345-7870 I [1] HOSE AS  
13. 390-6624 [1] BRACKET AS  
14. 418-8181 Y [1] STOP GP-STEERING  
15. 444-7678 [2] TUBE AS  
16. 444-7679 [1] BRACKET AS  
17. 148-8318 [3] CONNECTOR AS  
    (EACH INCLUDES)
  3K-0360 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-8634 [1] CONNECTOR  
18. 148-8336 [2] CONNECTOR AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-8636 [1] CONNECTOR  
19. 148-8340 [1] CONNECTOR AS  
  3K-0360 [1] SEAL-O-RING  
  6V-8398 [1] SEAL-O-RING  
  6V-8639 [1] CONNECTOR  
20. 148-8364 [1] ELBOW AS  
  3K-0360 [1] SEAL-O-RING  
  6V-8398 [1] SEAL-O-RING  
  6V-8625 [1] ELBOW  
21. 148-8374 [5] ELBOW AS  
    (EACH INCLUDES)
  3K-0360 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-8723 [1] ELBOW  
22. 148-8378 [4] ELBOW AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-8724 [1] ELBOW  
23. 148-8427 [1] TEE AS  
  6V-8398 [3] SEAL-O-RING  
  8T-6895 [1] TEE-UNION  
24. 148-8444 [1] TEE AS-SWIVEL  
  6V-8398 [2] SEAL-O-RING  
  6V-9837 [1] TEE-SWIVEL  
25. 204-2281 [2] STRAP-CABLE  
26. 6V-9169 [1] NUT (13/16-16-THD)  
27. 8T-4121 [8] WASHER-HARD (11X21X2.5-MM THK)  
28. 8T-4136 M [2] BOLT (M10X1.5X25-MM)  
29. 8T-4139 M [6] BOLT (M12X1.75X30-MM)  
30. 8T-4223 [6] WASHER-HARD (13.5X25.5X3-MM THK)  
31. 8T-4224 [2] WASHER-HARD (8.8X16X2-MM THK)  
32. 8T-6466 M [6] BOLT (M10X1.5X60-MM)  
33. 8T-6870 M [2] BOLT (M8X1.25X70-MM)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

Information:

Caterpillar Parts SIS Catalog 844K :

PUMP GP-GEAR
101-4007 PUMP GP-GEAR
PUMP & MTG GP-STEERING & FAN
390-6485 PUMP & MTG GP-STEERING & FAN
PUMP & MTG GP-ELECTRIC DRIVE
459-5750 PUMP & MTG GP-ELECTRIC DRIVE
LINES GP-STEERING
390-6581 LINES GP-STEERING
LINES GP-STEERING
390-6578 LINES GP-STEERING
LINES GP-STEERING
386-8553 LINES GP-STEERING
LINES GP-SECONDARY STEERING
390-6339 LINES GP-SECONDARY STEERING
CYLINDER GP-STEERING
6E-1244 CYLINDER GP-STEERING
PUMP GP-PISTON
392-0757 PUMP GP-PISTON
PUMP GP-PISTON
392-0757 PUMP GP-PISTON
PUMP GP-PISTON
395-0834 PUMP GP-PISTON
PUMP GP-PISTON
398-8977 PUMP GP-PISTON
ROTATING GP-PUMP
189-4710 ROTATING GP-PUMP
ROTATING GP-PUMP
371-7952 ROTATING GP-PUMP
SCREEN GP-HIGH PRESSURE
288-5769 SCREEN GP-HIGH PRESSURE
STOP GP-STEERING
418-8181 STOP GP-STEERING
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The names Cat, Caterpillar, John Deere, Komatsu, Volvo, Hitachi, Doosan, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
AVSpare.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only. Cat® and Caterpillar® are registered trademarks of Caterpillar, Inc.