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503-7697 LINES GP-PUMP S/N DN81-UP PART OF 503-7688 HYDRAULIC AR MD6250 ROTARY DRILL




HYDRAULIC SYSTEM

LINES GP-PUMP
 

#M00878050550
 

503-7697: LINES GP-PUMP

503-7697 LINES GP-PUMP
S/N DN81-UP
PART OF 503-7688 HYDRAULIC AR
i07200986 M0087805
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Parts for your MD6250 ROTARY DRILL:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7T-9538 [1] MANIFOLD  
2. 513-1866 I [1] HOSE AS  
3. 513-1867 I [1] HOSE AS  
4. 513-1868 I [1] HOSE AS  
5. 521-9416 [2] MANIFOLD  
6. 530-3167 I [1] HOSE AS  
7. 172-9966 M [2] BOLT (M12X1.75X65-MM)  
8. 1P-4582 [2] FLANGE-HALF  
9. 1P-4584 [6] FLANGE-HALF  
10. 1P-4585 [4] FLANGE-HALF  
11. 2H-6338 [4] SEAL-O-RING  
12. 4J-0527 [3] SEAL-O-RING  
13. 6J-2680 [4] SEAL-O-RING  
14. 7X-3391 [8] WASHER-HARD (13.5X32X6-MM THK)  
15. 8T-0279 M [2] BOLT (M12X1.75X95-MM)  
16. 8T-4122 [16] WASHER-HARD (17X32X3.5-MM THK)  
17. 8T-4956 M [4] BOLT (M12X1.75X35-MM)  
18. 1A-1460 [4] BOLT (1/2-13X2-IN)  
19. 8T-4193 M [16] BOLT (M16X2X50-MM)  
20. 8T-4194 M [8] BOLT (M12X1.75X50-MM)  
21. 8T-4223 [16] WASHER-HARD (13.5X25.5X3-MM THK)  
22. 8T-7930 M [8] BOLT (M12X1.75X160-MM)  
23. 8T-7971 [4] WASHER-HARD (13.5X25.5X5-MM THK)  
24. 136-0207 [2] STRAP-CABLE (BLACK)  
25. 204-8000 [2] MOUNTING-CABLE TIE  
26. 218-0054 [1] SPACER (11X25X100-MM THK)  
27. 344-5675 M [1] NUT (M10X1.5-THD)  
28. 8T-4121 [1] WASHER-HARD (11X21X2.5-MM THK)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
 

#M00878050551
 

503-7726: LINES GP-TENSIONER CYLINDER

503-7726 LINES GP-TENSIONER CYLINDER
S/N DN81-UP
PART OF 503-7553, 528-1607 MAST AR
i07213746 M0087805
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Parts for your MD6250 ROTARY DRILL:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 424-2318 [6] BLOCK  
2. 2P-1279 [1] LOCKNUT (9/16-18-THD)  
3. 2S-4078 [1] SEAL-O-RING  
4. 164-5624 [1] ELBOW AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8398 [1] SEAL-O-RING  
  9X-2085 [1] ELBOW  
5. 241-6215 [1] ELBOW AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8076 [1] ELBOW  
6. 148-8371 [1] ELBOW AS  
  6V-8397 [1] SEAL-O-RING  
  8C-8988 [1] ELBOW  
7. 148-8364 [1] ELBOW AS  
  3K-0360 [1] SEAL-O-RING  
  6V-8398 [1] SEAL-O-RING  
  6V-8625 [1] ELBOW  
8. 148-8378 [2] ELBOW AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-8724 [1] ELBOW  
9. 148-8433 [2] TEE AS  
    (EACH INCLUDES)
  6V-8397 [2] SEAL-O-RING  
  6V-9836 [1] TEE-SWIVEL  
10. 148-8434 [2] TEE AS  
    (EACH INCLUDES)
  6V-8397 [2] SEAL-O-RING  
  6V-9843 [1] TEE  
11. 150-4047 [1] ADAPTER AS  
  3J-7354 [1] SEAL-O-RING  
  8T-2353 [1] ADAPTER  
12. 162-6616 [1] TEE AS  
  4J-5477 [3] SEAL-O-RING  
  8T-9027 [1] TEE  
13. 355-7512 I [1] HOSE AS  
14. 389-8660 I [3] HOSE AS  
15. 398-5599 [1] PLUG AS  
  6V-3250 [1] SEAL-O-RING  
  360-3692 [1] PLUG  
16. 437-0826 I [1] HOSE AS  
17. 512-0171 [2] VALVE-FLOW CONTROL  
18. 513-1946 I [1] HOSE AS  
19. 514-2136 Y [1] MANIFOLD GP-CONTROL (RELIEF)  
20. 534-2162 [1] BRACKET AS  
  8T-3490 M [1] NUT-WELD (M10X1.5-THD)  
21. 534-2170 I [1] HOSE AS  
22. 559-5576 I [1] HOSE AS  
23. 535-9478 I [1] HOSE AS  
24. 535-9479 I [1] HOSE AS  
25. 559-5575 [1] HOSE AS  
26. 535-9482 [3] PLATE AS  
    (EACH INCLUDES)
  8T-3490 M [1] NUT-WELD (M10X1.5-THD)  
27. 148-8325 [2] CONNECTOR AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
  6V-8641 [1] CONNECTOR  
28. 148-8326 [2] CONNECTOR AS  
    (EACH INCLUDES)
  3J-7354 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-9872 [1] CONNECTOR  
30. 260-9223 [2] ADAPTER AS  
    (EACH INCLUDES)
  3J-7354 [1] SEAL-O-RING  
  7X-3162 [1] ADAPTER-SWIVEL  
31. 148-8307 [1] ADAPTER AS  
  3J-1907 [1] SEAL-O-RING  
  5P-8874 [1] ADAPTER  
32. 558-9682 [1] PLATE  
33. 558-9685 [1] PLATE  
34. 127-4667 [2] STRIP AS  
35. 377-9571 [1] ADAPTER AS  
  3K-0360 [1] SEAL-O-RING  
  231-3914 [1] ADAPTER  
36. 3S-8664 [2] CLIP (LOOP)  
37. 8T-4137 M [2] BOLT (M10X1.5X20-MM)  
38. 8T-4195 M [4] BOLT (M10X1.5X30-MM)  
39. 9M-8406 [4] CLIP (LOOP)  
40. 3F-9559 [2] LOCKWASHER  
41. 5P-0600 [7] CLAMP-HOSE  
42. 5P-8905 [1] ADAPTER-O-RING  
44. 6V-8397 [8] SEAL-O-RING  
45. 7X-7729 [3] WASHER (11X25X3-MM THK)  
46. 8T-4121 [10] WASHER-HARD (11X21X2.5-MM THK)  
47. 8T-4136 M [7] BOLT (M10X1.5X25-MM)  
48. 559-4027 [1] VALVE GP-CHECK  
49. 447-9754 [1] COUPLING  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M00878050552
 

503-7690: LINES GP-UNDERCARRIAGE

503-7690 LINES GP-UNDERCARRIAGE
S/N DN81-UP
PART OF 503-7688 HYDRAULIC AR
i07201286 M0087805
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Parts for your MD6250 ROTARY DRILL:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 164-6871 [2] ADAPTER AS  
    (EACH INCLUDES)
  6V-8397 [1] SEAL-O-RING  
  122-2222 [1] ADAPTER  
2. 344-5675 M [5] NUT (M10X1.5-THD)  
3. 513-1718 I [1] HOSE AS  
4. 513-1719 I [2] HOSE AS  
5. 513-1720 I [2] HOSE AS  
6. 513-1721 I [1] HOSE AS  
7. 521-3090 I [1] HOSE AS  
8. 521-3091 I [1] HOSE AS  
9. [1] BRACKET  
10. 148-8336 [2] CONNECTOR AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-8636 [1] CONNECTOR  
11. 148-8390 [2] ELBOW AS  
    (EACH INCLUDES)
  2M-9780 [1] SEAL-O-RING  
  6V-8626 [1] ELBOW  
  7J-9108 [1] SEAL-O-RING  
12. 148-8433 [2] TEE AS  
    (EACH INCLUDES)
  6V-8397 [2] SEAL-O-RING  
  6V-9836 [1] TEE-SWIVEL  
13. 178-3620 [11] STRAP-DUAL CLAMP  
14. 1P-3704 [8] SEAL-RECTANGULAR  
15. 1P-5767 [16] FLANGE-HALF  
16. 200-6345 [1] SADDLE-MOUNTING (DUAL SWIVEL)  
17. 204-2281 [2] STRAP-CABLE  
18. 5P-7470 [6] CLIP (SLOT)  
19. 5P-7471 [6] CLIP (TAB)  
20. 6D-4244 [4] CLIP (LOOP)  
21. 281-2592 [2] PIN-TAPERLOCK  
22. 8T-6466 M [2] BOLT (M10X1.5X60-MM)  
23. 5P-8182 [6] GROMMET (46-MM ID)  
24. 8T-4194 M [32] BOLT (M12X1.75X50-MM)  
25. 8T-4223 [34] WASHER-HARD (13.5X25.5X3-MM THK)  
26. 9M-8406 [1] CLIP (LOOP)  
27. 8T-4121 [3] WASHER-HARD (11X21X2.5-MM THK)  
28. 8T-4195 M [1] BOLT (M10X1.5X30-MM)  
29. 8T-4183 M [2] BOLT (M12X1.75X40-MM)  
30. 7X-7729 [6] WASHER (11X25X3-MM THK)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
 

#M00878050553
 

504-4548: LINES GP-WINCH

504-4548 LINES GP-WINCH
S/N DN81-UP
PART OF 504-4087, 504-4088 WINCH AR
i07212938 M0087805
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Parts for your MD6250 ROTARY DRILL:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 148-8376 [2] ELBOW AS  
    (EACH INCLUDES)
  6V-8983 [1] ELBOW  
  6V-9746 [2] SEAL-O-RING  
2. 148-8393 [2] ELBOW AS  
    (EACH INCLUDES)
  6V-9852 [1] ELBOW (SWIVEL)  
  7J-9108 [1] SEAL-O-RING  
3. 513-1847 I [1] HOSE AS  
4. 513-1848 I [1] HOSE AS  
5. 553-9433 I [1] HOSE AS  
6. 513-2037 I [1] HOSE AS  
7. 513-2038 I [1] HOSE AS  
8. 3S-8664 [10] CLIP (LOOP)  
9. 148-8315 [1] CONNECTOR AS  
  2M-9780 [1] SEAL-O-RING  
  6V-8642 [1] CONNECTOR  
  7J-9108 [1] SEAL-O-RING  
10. 148-8360 [2] ELBOW AS  
    (EACH INCLUDES)
  6V-9182 [1] ELBOW  
  6V-9746 [1] SEAL-O-RING  
  7M-8485 [1] SEAL-O-RING  
11. 197-8940 [1] CONNECTOR AS  
  2M-9780 [1] SEAL-O-RING  
  7J-9108 [1] SEAL-O-RING  
  8T-1576 [1] CONNECTOR  
12. 200-6345 [1] SADDLE-MOUNTING (DUAL SWIVEL)  
13. 204-2281 [2] STRAP-CABLE  
14. 2H-3926 [2] LOCKWASHER  
15. 2P-1293 [2] LOCKNUT (1-3/16-12-THD)  
16. 3G-8047 [3] GROMMET  
17. 3G-8054 [3] CLIP (TAB)  
18. 3G-8057 [3] CLIP (SLOT)  
19. 7G-3833 [8] CLIP (TAB)  
20. 7G-3834 [8] CLIP (SLOT)  
21. 7X-7729 [1] WASHER (11X25X3-MM THK)  
22. 8C-3174 [8] GROMMET  
23. 8T-4121 [18] WASHER-HARD (11X21X2.5-MM THK)  
24. 8T-4195 M [19] BOLT (M10X1.5X30-MM)  
25. 366-4698 [1] PLUG AS  
  3J-7354 [1] SEAL-O-RING  
  360-3690 [1] PLUG (7/16-20-THD)  
26. 448-8985 [1] ELBOW AS  
  2T-2305 [1] ELBOW  
  228-7089 [1] SEAL-O-RING  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
 

#M00878050554
 

503-7723: LINES GP-WRENCH

503-7723 LINES GP-WRENCH
S/N DN81-UP
DECK
PART OF 503-7553, 503-7554, 528-1607, 528-2414 MAST AR
i07204089 M0087805
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Parts for your MD6250 ROTARY DRILL:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 275-1442 [2] CLIP (TAB)  
2. 275-1443 [2] CLIP (SLOT)  
3. 366-4700 [6] PLUG AS  
    (EACH INCLUDES)
  3K-0360 [1] SEAL-O-RING  
  360-3693 [1] PLUG (3/4-16-THD)  
4. 367-5978 [1] PLUG AS  
  2M-9780 [1] SEAL-O-RING  
  360-3694 [1] PLUG  
5. 513-1790 I [1] HOSE AS  
6. 513-1791 I [1] HOSE AS  
7. 513-1976 Y [1] VALVE & MTG GP-CONTROL  
8. 148-8340 [2] CONNECTOR AS  
    (EACH INCLUDES)
  3K-0360 [1] SEAL-O-RING  
  6V-8398 [1] SEAL-O-RING  
  6V-8639 [1] CONNECTOR  
9. 275-1444 [2] GROMMET  
10. 8T-4121 [1] WASHER-HARD (11X21X2.5-MM THK)  
11. 8T-4195 M [1] BOLT (M10X1.5X30-MM)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M00878050555
 

504-4516: LINES GP-WRENCH

504-4516 LINES GP-WRENCH
S/N DN81-UP
PART OF 503-7557, 520-1634 WRENCH GP-ROD
i07203966 M0087805
  For full view, you need register

Parts for your MD6250 ROTARY DRILL:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 150-4027 [2] TEE AS  
    (EACH INCLUDES)
  3E-2310 [1] TEE  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
2. 164-5567 [2] COUPLER AS-QUICK DISCONNECT (MALE)  
    (EACH INCLUDES)
  6V-3965 [1] FITTING (QUICK DISCONNECT)  
  214-7568 [1] SEAL-O-RING  
3. 344-5675 M [1] NUT (M10X1.5-THD)  
4. 451-0580 [2] VALVE GP-CONTROL  
    (EACH INCLUDES)
  370-5643 [1] VALVE (SEQUENCE)(SEQUENCE)  
5. 513-1804 I [1] HOSE AS  
6. 513-1805 I [1] HOSE AS  
7. 513-1806 I [2] HOSE AS  
8. 513-1808 I [2] HOSE AS  
9. 513-1810 I [1] HOSE AS  
10. 513-1811 I [1] HOSE AS  
11. 513-1936 I [1] HOSE AS  
12. 513-1937 I [1] HOSE AS  
13. 121-4345 [4] SEAL-O-RING  
14. 148-8318 [3] CONNECTOR AS  
    (EACH INCLUDES)
  3K-0360 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-8634 [1] CONNECTOR  
15. 148-8336 [2] CONNECTOR AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-8636 [1] CONNECTOR  
16. 148-8353 [2] ELBOW AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-9001 [1] ELBOW  
17. 148-8363 [1] ELBOW AS  
  3K-0360 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-9876 [1] ELBOW  
18. 148-8434 [2] TEE AS  
    (EACH INCLUDES)
  6V-8397 [2] SEAL-O-RING  
  6V-9843 [1] TEE  
19. 164-6872 [1] TEE AS  
  2M-9780 [1] SEAL-O-RING  
  6V-8398 [2] SEAL-O-RING  
  115-8634 [1] TEE-O-RING  
20. 178-3620 [3] STRAP-DUAL CLAMP  
21. 281-2592 [1] PIN-TAPERLOCK  
22. 4D-7733 [4] CLIP (LOOP)  
23. 6V-0852 [2] CAP-DUST  
24. 7X-0818 M [4] BOLT (M8X1.25X45-MM)  
25. 8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
26. 8T-4136 M [1] BOLT (M10X1.5X25-MM)  
27. 8T-4195 M [2] BOLT (M10X1.5X30-MM)  
28. 8T-4224 [4] WASHER-HARD (8.8X16X2-MM THK)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
 

#M00878050556
 

503-7590: LUBRICATION AR

503-7590 LUBRICATION AR
S/N DN81-UP
THREAD
i07212565 M0087805
  For full view, you need register

Parts for your MD6250 ROTARY DRILL:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8C-5346 [1] FILM-IDENTIFICATION (HYDRAULIC OIL FILTER)  
2. 511-5457 Y [1] TANK GP-LUBRICATION  
3. 507-7327 Y [1] LINES GP-AUTOMATIC LUBRICATION  
  Y   SEPARATE ILLUSTRATION
 

#M00878050557
 

503-7707: LUBRICATION AR

503-7707 LUBRICATION AR -PREMIUM
S/N DN81-UP
13.6-M (44.6-FT) ANGLE
PART OF 531-3092, 531-3093 SERVICE AR
i07212788 M0087805
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Parts for your MD6250 ROTARY DRILL:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  503-7708 Y [1] LINES GP-AUTOMATIC LUBRICATION  
  513-1954 Y [1] LINES GP-AUTOMATIC LUBRICATION  
  503-7727 Y [1] LINES GP-AUTOMATIC LUBRICATION  
  503-7709 Y [1] PUMP & MTG GP-LUBRICATION  
  538-1152 Y [1] SENSOR GP-PRESSURE (AUTOLUBE)  
  507-9091 Y [1] WIRING GP-AUTOLUBE CONTROL  
  Y   SEPARATE ILLUSTRATION
 

#M00878050558
 

478-4948: MANIFOLD & SOLENOID GP-CONTROL

478-4948 MANIFOLD & SOLENOID GP-CONTROL
S/N DN81-UP
PART OF 503-7702, 536-7716 LINES GP-HYDRAULIC
i07202543 M0087805
  For full view, you need register

Parts for your MD6250 ROTARY DRILL:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 333-8242 [1] VALVE GP-SOLENOID (24-VOLT)(TANK)  
  384-8750 [1] COIL AS (24-VOLT)  
2. 442-1607 H [1] VALVE GP-SOLENOID (12-VOLT)(LOAD SENSING)  
  475-5231 [1] COIL AS (12-VOLT)  
  513-9365 [1] NUT (13/16-20-THD)  
3. 310-1959 J [1] VALVE GP-CONTROL (DIRECTION, RAISE, LOWER)  
4. 443-2169 P [1] VALVE GP-RELIEF (PUMP INLET)  
5. 435-4066 [1] PLUG-ORIFICE  
   
    AVAILABLE REPAIR KIT(S):
  315-7866 J [1] KIT-SEAL (CONTROL VALVE)  
    (INCLUDES BACK-UP RINGS & O-RINGS)
  387-2867 H [1] KIT-SEAL (SOLENOID VALVE)  
    (INCLUDES O-RING SEALS)
  148-9363 P [1] KIT-SEAL (RELIEF VALVE)  
    (INCLUDES BACK-UP RING & O-RINGS)
  H   KIT MARKED H SERVICES PART(S) MARKED H
  J   KIT MARKED J SERVICES PART(S) MARKED J
  P   KIT MARKED P SERVICES PART(S) MARKED P
 

#M00878050559
 

515-6406: MANIFOLD & VALVE GP

515-6406 MANIFOLD & VALVE GP -MOUNTING
S/N DN81-UP
PART OF 516-3373 VALVE & MTG GP-MAIN CONTROL
i07243851 M0087805
  For full view, you need register

Parts for your MD6250 ROTARY DRILL:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 314-9274 [3] VALVE GP-SOLENOID (HYDRAULIC)  
    (EACH INCLUDES)
  384-8750 [1] COIL AS (24-VOLT)  
 

Information:

Technical Information Bulletin
The Flange Head on <NOBR>442-5593</NOBR> Coupling As May Have Been Manufactured Incorrectly {5057}
The Flange Head on 442-5593 Coupling As May Have Been Manufactured Incorrectly {5057}

Caterpillar Parts SIS Catalog MD6250 :

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