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6E-1244 CYLINDER GP-STEERING -LH S/N K4Y1-UP 139.7MM (5.5IN) BORE X 873MM (34.37IN) STROKE PART OF 386-8223 CYLINDER & MTG GP-STEERING 844K




STEERING SYSTEM

CYLINDER GP
 

#M00847350720
 

6E-1244: CYLINDER GP-STEERING

6E-1244 CYLINDER GP-STEERING -LH
S/N K4Y1-UP
139.7MM (5.5IN) BORE X 873MM (34.37IN) STROKE
PART OF 386-8223 CYLINDER & MTG GP-STEERING
i00167114 M0084735
  For full view, you need register

Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 173-9779 M [6] BOLT (M24X3X80-MM)  
2. 3J-6899 [1] LOCKNUT (2-1/4-12-THD)  
3. 6E-1249 [1] PISTON  
4. 4J-4606 J [1] RING-WEAR  
5. 4T-5173 J [1] SEAL  
6. 8J-1688 J [1] SEAL-O-RING  
7. 8J-1689 J [1] RING-BACKUP  
8. 6E-1250 [1] HEAD  
9. 8T-0667 M [2] BOLT (M24X3X100-MM)  
10. 8C-9101 J [1] RING-WEAR  
11. 346-5193 J [1] SEAL AS-BUFFER  
12. 346-5201 [1] SEAL-U-CUP  
13. 346-5199 J [1] SEAL-WIPER  
14. 6E-1245 [1] CYLINDER AS  
14A. 6E-0804 [1] BUSHING  
15. 6V-8237 [8] WASHER (26X44X4-MM THK)  
16. 6E-1251 [1] ROD AS  
16A. 6E-0804 [1] BUSHING  
   
    AVAILABLE REPAIR KIT(S):
  229-7188 J [1] KIT-SEAL  
    (KIT INCLUDES RINGS & SEALS)
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

#M00847350721
 

390-6339: LINES GP-SECONDARY STEERING

390-6339 LINES GP-SECONDARY STEERING
S/N K4Y1-UP
PART OF 386-8553 LINES GP-STEERING
i07016131 M0084735
  For full view, you need register

Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2W-7940 [1] BRACKET  
2. 4E-9541 I [1] HOSE AS  
3. 6E-3078 Y [1] VALVE GP-SELECTOR & PRESS CONT (SECONDARY STEERING)  
4. 7K-1181 [1] STRAP-CABLE  
5. 7T-8331 [3] MOUNT AS  
6. 9J-3866 C [1] ADAPTER  
7. 101-2877 [1] TUBE AS  
8. 101-4007 Y [1] PUMP GP-GEAR (SECONDARY STEERING)  
9. 104-9581 I [1] HOSE AS  
10. 164-5567 [1] COUPLER AS-QUICK DISCONNECT (MALE)  
  6V-3965 [1] FITTING (QUICK DISCONNECT)  
  214-7568 [1] SEAL-O-RING  
11. 313-5104 [1] SWITCH AS-PRESSURE (SECONDARY STEERING OIL)  
  102-8803 [1] KIT-RECEPTACLE (3-PIN)  
    (KIT INCLUDES RECEPTACLE AS & WEDGE)
  8T-8729 [3] PIN-CONNECTOR (16-GA TO 18-GA)  
  9X-1813 E SLEEVE (28-CM)  
12. 329-3356 M [4] NUT (M12X1.75-THD)  
13. 390-6669 [1] PLATE AS  
14. 390-6747 I [1] HOSE AS  
15. 418-8227 I [1] HOSE AS  
16. 418-8228 [1] PLATE  
17. 418-8229 I [1] HOSE AS  
18. 510-6796 CI [1] HOSE AS  
19. 148-8307 [1] ADAPTER AS  
  3J-1907 [1] SEAL-O-RING  
  5P-8874 [1] ADAPTER  
20. 148-8336 C [1] CONNECTOR AS  
  6V-8636 [1] CONNECTOR  
  6V-8397 [1] SEAL-O-RING  
  3J-1907 [1] SEAL-O-RING  
21. 148-8364 [1] ELBOW AS  
  3K-0360 [1] SEAL-O-RING  
  6V-8398 [1] SEAL-O-RING  
  6V-8625 [1] ELBOW  
22. 148-8365 C [1] ELBOW AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8398 [1] SEAL-O-RING  
  8T-6876 [1] ELBOW  
23. 148-8378 C [1] ELBOW AS  
  6V-8724 [1] ELBOW  
  6V-8397 [1] SEAL-O-RING  
  3J-1907 [1] SEAL-O-RING  
24. 150-3065 [1] ELBOW AS  
  3J-1907 [1] SEAL-O-RING  
  6V-0484 [1] ELBOW  
25. 150-4043 C [1] CONNECTOR AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8398 [1] SEAL-O-RING  
  6V-9873 [1] CONNECTOR  
26. 155-6344 [1] ELBOW AS  
  5K-9090 [2] SEAL-O-RING  
  6V-8991 [1] ELBOW  
27. 1P-3703 [1] SEAL-RECTANGULAR  
28. 1P-4579 [4] FLANGE-HALF  
29. 2B-0941 [1] SPACER (10.5X19X19-MM THK)  
30. 2N-7007 [1] GASKET  
31. 301-4608 Y [1] VALVE GP-STEERING (WITH SECONDARY STEERING)  
32. 344-5675 M [3] NUT (M10X1.5-THD)  
33. 3K-0360 [1] SEAL-O-RING  
34. 4J-0520 [3] SEAL-O-RING  
35. 4J-0524 [2] SEAL-O-RING  
36. 6D-4636 [1] CLIP (LOOP)  
37. 6V-0852 [1] CAP-DUST  
38. 6V-9172 [1] NUT (1-7/16-12-THD)  
39. 7D-1553 [3] CLIP  
40. 7G-8839 [3] SPACER (13.5X57X6-MM THK)  
41. 7X-0584 [4] WASHER-HARD (13.5X20.5X2-MM THK)  
42. 8C-3206 [4] FLANGE-HALF  
43. 8T-4121 [18] WASHER-HARD (11X21X2.5-MM THK)  
44. 8T-4136 M [4] BOLT (M10X1.5X25-MM)  
45. 8T-4139 M [1] BOLT (M12X1.75X30-MM)  
46. 8T-4172 M [4] BOLT (M10X1.5X80-MM)  
47. 8T-4184 M [8] BOLT (M12X1.75X45-MM)  
48. 8T-4185 M [1] BOLT (M10X1.5X50-MM)  
49. 8T-4196 M [4] BOLT (M10X1.5X35-MM)  
50. 8T-4223 [12] WASHER-HARD (13.5X25.5X3-MM THK)  
51. 8T-4910 M [3] BOLT (M12X1.75X60-MM)  
52. 8T-5041 M [3] BOLT (M12X1.75X120-MM)  
53. 8T-6466 M [6] BOLT (M10X1.5X60-MM)  
54. 9X-8250 [2] CLIP (LOOP)  
  C   CHANGE FROM PREVIOUS TYPE
  E   ORDER BY THE CENTIMETER
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#M00847350722
 

386-8553: LINES GP-STEERING

386-8553 LINES GP-STEERING
S/N K4Y1-UP
PART OF 386-8330 HYDRAULIC AR
i06259783 M0084735
  For full view, you need register

Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4E-8874 [2] MANIFOLD  
2. 4E-8879 I [2] HOSE AS  
3. 6T-2962 [1] ADAPTER  
4. 148-8353 [1] ELBOW AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-9001 [1] ELBOW  
5. 161-8412 [1] MANIFOLD  
6. 168-1968 [1] TEE AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  126-6872 [1] TEE  
7. 187-9023 I [1] HOSE AS  
8. 202-0662 [1] PLATE AS  
10. 229-7360 [1] PLATE  
11. 240-9577 [1] ANGLE  
12. 240-9742 [1] MANIFOLD  
13. 240-9759 [1] TUBE AS  
14. 240-9910 I [1] HOSE AS  
15. 240-9911 I [1] HOSE AS  
16. 241-0104 I [1] HOSE AS  
17. 241-0153 I [1] HOSE AS  
18. 241-2810 I [1] HOSE AS  
19. 241-2932 I [1] HOSE AS  
20. 306-2058 [1] BLOCK  
21. 390-6339 Y [1] LINES GP-SECONDARY STEERING  
22. 390-6670 I [2] HOSE AS  
23. 418-8187 I [1] HOSE AS  
24. 418-8190 [1] BRACKET  
25. 418-8236 I [1] HOSE AS  
26. 444-7740 I [1] HOSE AS  
27. 6V-6782 C [1] CLIP (SLOT)(LOOP)  
28. 148-8327 [1] CONNECTOR AS  
  3D-2824 [1] SEAL-O-RING  
  6V-8637 [1] CONNECTOR  
  6V-9746 [1] SEAL-O-RING  
29. 148-8455 [1] UNION AS  
  6V-8997 [1] UNION  
  6V-9746 [2] SEAL-O-RING  
30. 162-0177 [1] PLUG AS  
  3J-1907 [1] SEAL-O-RING  
  9S-8004 [1] PLUG (9/16-18-THD)  
31. 164-5567 [4] COUPLER AS-QUICK DISCONNECT (MALE)  
    (EACH INCLUDES)
  6V-3965 [1] FITTING (QUICK DISCONNECT)  
  214-7568 [1] SEAL-O-RING  
32. 1P-3703 [12] SEAL-RECTANGULAR  
33. 1P-3704 [10] SEAL-RECTANGULAR  
34. 1P-3705 [3] SEAL-RECTANGULAR  
35. 1P-3706 [1] SEAL-RECTANGULAR  
36. 1P-4579 C [2] FLANGE-HALF  
38. 1P-5767 C [14] FLANGE-HALF  
39. 1P-7016 [2] FLANGE-HALF  
40. 200-6345 [2] SADDLE-MOUNTING (DUAL SWIVEL)  
41. 204-2281 [4] STRAP-CABLE  
42. 241-6215 [1] ELBOW AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8076 [1] ELBOW  
43. 2H-3934 [1] SEAL-O-RING  
44. 2H-6338 [1] SEAL-O-RING  
45. 2P-1293 [1] LOCKNUT (1-3/16-12-THD)  
46. 329-3356 M [2] NUT (M12X1.75-THD)  
47. 4E-7789 [2] CLAMP-HALF  
48. 4J-0524 [2] SEAL-O-RING  
49. 5P-8077 [2] FLANGE-HALF  
50. 6V-0400 [24] FLANGE-HALF  
51. 6V-0852 [4] CAP-DUST  
52. 7X-0531 [1] WASHER-HARD (31X52.5X6-MM THK)  
53. 7X-7729 [1] WASHER (11X25X3-MM THK)  
54. 7Y-4038 [2] CLAMP-HALF  
55. 8T-4121 C [17] WASHER-HARD (11X21X2.5-MM THK)  
56. 8T-4196 M [1] BOLT (M10X1.5X35-MM)  
57. 8T-4139 M [3] BOLT (M12X1.75X30-MM)  
58. 7X-2555 M [4] BOLT (M16X2X80-MM)  
59. 8T-4176 CM [4] BOLT (M12X1.75X90-MM)  
60. 8T-4182 CM [16] BOLT (M10X1.5X45-MM)  
62. 8T-4184 M [24] BOLT (M12X1.75X45-MM)  
63. 8T-4192 M [4] BOLT (M12X1.75X25-MM)  
64. 8T-4193 M [4] BOLT (M16X2X50-MM)  
65. 8T-4194 CM [28] BOLT (M12X1.75X50-MM)  
66. 8T-4136 CM [1] BOLT (M10X1.5X25-MM)  
67. 8T-4223 C [87] WASHER-HARD (13.5X25.5X3-MM THK)  
68. 8T-4648 M [12] BOLT (M12X1.75X70-MM)  
69. 8T-4956 M [8] BOLT (M12X1.75X35-MM)  
70. 8T-7930 CM [2] BOLT (M12X1.75X160-MM)  
71. 9X-8257 [8] WASHER (17.5X30X3.5-MM THK)  
72. 293-5683 C [1] BRACKET AS  
73. 157-6199 C [1] GROMMET  
74. 118-9901 C [2] SPACER (12X20X10-MM THK)  
75. 8T-7971 C [4] WASHER-HARD (13.5X25.5X5-MM THK)  
76. 7X-2549 CM [4] BOLT (M12X1.75X100-MM)  
77. 6V-6783 C [1] CLIP (TAB)  
  C   CHANGE FROM PREVIOUS TYPE
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M00847350723
 

390-6578: LINES GP-STEERING

390-6578 LINES GP-STEERING
S/N K4Y1-UP
PART OF 390-6570 HYDRAULIC AR
i05742797 M0084735
  For full view, you need register

Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 221-0130 [1] BRACKET AS  
2. 243-2746 [1] HOSE  
3. 418-8254 [1] TUBE AS  
4. 418-8255 [1] TUBE AS  
5. 444-7741 I [1] HOSE AS  
6. 1P-3704 [1] SEAL-RECTANGULAR  
7. 1P-3705 [1] SEAL-RECTANGULAR  
8. 1P-4579 [2] FLANGE-HALF  
9. 4J-0524 [1] SEAL-O-RING  
10. 5P-7468 [1] CLIP (SLOT)  
11. 5P-7469 [1] CLIP (TAB)  
12. 5P-8444 [1] GROMMET (37-MM ID)  
13. 8T-4179 M [4] BOLT (M12X1.75X20-MM)  
14. 8T-4183 M [4] BOLT (M12X1.75X40-MM)  
15. 8T-4223 [10] WASHER-HARD (13.5X25.5X3-MM THK)  
16. 8T-4956 M [2] BOLT (M12X1.75X35-MM)  
17. 8T-6703 [4] CLAMP-HOSE  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
 

#M00847350724
 

390-6581: LINES GP-STEERING

390-6581 LINES GP-STEERING
S/N K4Y1-UP
PART OF 390-6575 HYDRAULIC AR
i05766131 M0084735
  For full view, you need register

Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 242-9557 [3] MOUNT AS  
2. 243-2746 [1] HOSE  
3. 288-5769 Y [1] SCREEN GP-HIGH PRESSURE (SECONDARY STEERING)  
4. 384-5446 [1] BRACKET AS  
  8T-3597 M [3] NUT-WELD (M12X1.75-THD)  
5. 384-5448 [1] BRACKET AS  
  8T-3490 M [2] NUT-WELD (M10X1.5-THD)  
  8T-3597 M [1] NUT-WELD (M12X1.75-THD)  
6. 390-6671 [1] TUBE AS  
7. 418-8188 [1] TUBE AS  
8. 421-1086 I [1] HOSE AS  
9. 421-1087 I [1] HOSE AS  
10. 198-4777 [1] WASHER-HARD (11X25X10-MM THK)  
11. 1P-3704 [3] SEAL-RECTANGULAR  
12. 1P-3705 [1] SEAL-RECTANGULAR  
13. 1P-4579 [2] FLANGE-HALF  
14. 1P-5767 [4] FLANGE-HALF  
15. 297-3218 [1] CLIP (LADDER)(LADDER)  
16. 4J-0524 [1] SEAL-O-RING  
17. 5P-1076 [4] WASHER-HARD (13.5X30X4-MM THK)  
18. 5P-7468 [1] CLIP (SLOT)  
19. 5P-7469 [1] CLIP (TAB)  
20. 5P-7470 [1] CLIP (SLOT)  
21. 5P-7471 [1] CLIP (TAB)  
22. 5P-8182 [1] GROMMET (46-MM ID)  
23. 5P-8444 [1] GROMMET (37-MM ID)  
24. 7G-8839 [6] SPACER (13.5X57X6-MM THK)  
25. 7K-1181 [1] STRAP-CABLE  
26. 8T-4121 [2] WASHER-HARD (11X21X2.5-MM THK)  
27. 8T-4179 M [4] BOLT (M12X1.75X20-MM)  
28. 8T-4182 M [1] BOLT (M10X1.5X45-MM)  
29. 8T-4183 M [5] BOLT (M12X1.75X40-MM)  
30. 8T-4192 M [2] BOLT (M12X1.75X25-MM)  
31. 8T-4194 M [8] BOLT (M12X1.75X50-MM)  
32. 8T-4195 M [1] BOLT (M10X1.5X30-MM)  
33. 8T-4223 [19] WASHER-HARD (13.5X25.5X3-MM THK)  
34. 8T-4956 M [4] BOLT (M12X1.75X35-MM)  
35. 8T-6703 [4] CLAMP-HOSE  
36. 8T-6868 M [3] BOLT (M12X1.75X80-MM)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M00847350725
 

459-5750: PUMP & MTG GP-ELECTRIC DRIVE

459-5750 PUMP & MTG GP-ELECTRIC DRIVE
S/N K4Y1-UP
PART OF 461-8021 PLATFORM AR
i06276792 M0084735
  For full view, you need register

Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 364-6462 [1] PLATE  
2. 462-7789 [1] PUMP GP-ELECTRIC DRIVE  
3. 148-8372 [1] ELBOW AS  
  2M-9780 [1] SEAL-O-RING  
  6V-8398 [1] SEAL-O-RING  
  6V-8721 [1] ELBOW  
4. 5P-1076 [4] WASHER-HARD (13.5X30X4-MM THK)  
5. 8T-4136 M [2] BOLT (M10X1.5X25-MM)  
6. 8T-4139 M [4] BOLT (M12X1.75X30-MM)  
7. 8T-7934 [2] WASHER-HARD (11X21X5-MM THK)  
  M   METRIC PART
 

#M00847350726
 

390-6485: PUMP & MTG GP-STEERING & FAN

390-6485 PUMP & MTG GP-STEERING & FAN
S/N K4Y1-UP
PART OF 386-8330 HYDRAULIC AR
i05706255 M0084735
  For full view, you need register

Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 392-0757 Y [1] PUMP GP-PISTON (HYDRAULIC FAN)  
2. 395-0834 Y [1] PUMP GP-PISTON (STEERING)  
3. 398-8976 Y [1] PUMP GP-GEAR (STEERING COOLER)  
4. 398-8977 Y [1] PUMP GP-PISTON (BRAKE CHARGE)  
5. 3K-0715 [1] SEAL-O-RING  
6. 8T-7568 [1] SEAL-O-RING  
7. 6V-5553 [1] SEAL-O-RING  
8. 7X-2562 M [4] BOLT (M20X2.5X45-MM)  
9. 7X-2563 M [4] BOLT (M20X2.5X60-MM)  
10. 8T-4121 [2] WASHER-HARD (11X21X2.5-MM THK)  
11. 8T-4123 [8] WASHER (22X35X3.5-MM THK)  
12. 8T-4136 M [2] BOLT (M10X1.5X25-MM)  
13. 8T-4139 M [2] BOLT (M12X1.75X30-MM)  
14. 8T-4223 [2] WASHER-HARD (13.5X25.5X3-MM THK)  
15. 177-0344 [1] SEAL-O-RING  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M00847350727
 

101-4007: PUMP GP-GEAR

101-4007 PUMP GP-GEAR -SECONDARY STEERING
S/N K4Y1-UP
PART OF 390-6339 LINES GP-SECONDARY STEERING
i00167342 M0084735
  For full view, you need register

Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 107-2885 [1] BODY AS  
2. 107-2894 [1] FLANGE AS  
3. 107-2892 [1] SHAFT-DRIVE  
4. 4T-8761 [1] GEAR-IDLER (8-TEETH)  
5. 4T-9298 [4] BUSHING  
6. 107-2887 [2] PISTON  
7. 107-2886 [1] SPACER  
8. 107-2890 [1] BODY-VALVE  
9. 077-4639 [2] PLATE-ISOLATION  
10. 077-4643 [2] PLATE-ISOLATION  
11. 107-2884 [2] PLATE-ISOLATION  
12. 6J-2386 [2] DOWEL  
13. 107-2889 [2] SPACER (13X14.3X6.4-MM THK)  
14. 107-2891 [2] PISTON  
15. 107-2888 [2] SPRING  
16. 107-2893 [2] SPRING  
17. 0S-1595 [8] BOLT (1/2-13X1.25-IN)  
18. 1B-2886 [6] BOLT (1/2-13X3.75-IN)  
19. 5P-7213 [14] WASHER-HARD (13.5X20.5X2-MM THK)  
20. 008-3214 [1] RING-RETAINING (INTERNAL)  
21. 6E-2943 [1] PLUG  
22. 8T-4657 [2] SEAL-LIP TYPE (22.22MM ID)  
   
    AVAILABLE REPAIR KIT(S):
  107-2895 [1] KIT-SEAL  
 

#M00847350728
 

398-8976: PUMP GP-GEAR

398-8976 PUMP GP-GEAR -STEERING
S/N K4Y1-UP
PART OF 390-6485 PUMP & MTG GP-STEERING & FAN
i05688430 M0084735
  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)
 

#M00847350729
 

392-0757: PUMP GP-PISTON

392-0757 PUMP GP-PISTON -FAN
S/N K4Y1-UP
PART OF 390-6485 PUMP & MTG GP-STEERING & FAN
Type 1
i05966708 M0084735
  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
 

Information:

Caterpillar Parts SIS Catalog 844K :

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