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278-8935 HEAD GP-MOTOR S/N NCF1-UP PART OF 243-6639 MOTOR GP-PISTON Type 2 D6K TRACK-TYPE TRACTOR


POWER TRAIN
MOTOR GP
PUMP GP
LINES GP-DRAIN
LINES GP-HYDROSTATIC
COOLER GP
LINES GP-PUMP
PUMP GP

TRACK-TYPE TRACTOR D6K TRACK-TYPE TRACTOR NCF
 D6K TRACK-TYPE TRACTOR Military, XL NCF00001-UP (MACHINE) POWERED BY C6.6 Engine SEBP5005 D6K NCF   (2007)

POWER TRAIN

MOTOR GP
HEAD GP-MOTOR
278-8935 HEAD GP-MOTOR
HEAD GP-MOTOR
278-8935 HEAD GP-MOTOR
HEAD GP-MOTOR
279-0543 HEAD GP-MOTOR
HEAD GP-MOTOR
279-0543 HEAD GP-MOTOR
MOTOR GP-PISTON
243-6639 MOTOR GP-PISTON
 

#SEBP50050170
 

278-8935: HEAD GP-MOTOR

278-8935 HEAD GP-MOTOR
S/N NCF1-UP
PART OF 243-6639 MOTOR GP-PISTON
Type 2
i07287473 SEBP5005
2788935 HEAD GP-MOTOR Parts scheme
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Parts for your D6K TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 124-9882 [1] TRUNNION  
2. 373-8445 C [1] PISTON  
3. 343-9780 C [1] PISTON  
4. 125-2205 M [1] BOLT-SHALLOW HEAD (M14X1.5X25-MM)  
5. 373-8446 C [1] PIN-THREADED  
6. 4J-5477 C [3] SEAL-O-RING  
7. 8T-0348 CM [8] BOLT-SOCKET HEAD (M16X2X50-MM)  
8. 227-0136 C [2] PLUG  
9. 123-5787 [2] SEAT  
10. 301-7890 Y [2] VALVE GP-CHECK (HYDROSTATIC DRIVE MOTOR)  
11. 7X-2906 [2] PIN  
12. 9X-7408 C [3] SEAL-O-RING  
  C   CHANGE FROM PREVIOUS TYPE
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP50050171
 

279-0543: HEAD GP-MOTOR

279-0543 HEAD GP-MOTOR -HYDROSTATIC DRIVE, RH
S/N NCF1-UP
PART OF 243-6640 MOTOR GP-PISTON
Type 1
i02831604 SEBP5005
2790543 HEAD GP-MOTOR Parts scheme
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Parts for your D6K TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 278-8936 Y [1] VALVE GP-MOTOR CONTROL (HYDROSTATIC DRIVE)  
2. 278-8937 Y [1] VALVE GP-FLUSHING (HYDROSTATIC DRIVE)  
3. 9S-8004 [1] PLUG (9/16-18-THD)  
4. 124-9882 [1] TRUNNION  
5. 124-9881 [1] PISTON  
6. 135-7454 [1] PISTON  
7. 125-2205 M [1] BOLT-SHALLOW HEAD (M14X1.5X25-MM)  
8. 124-9884 [1] PIN-THREADED  
9. 3E-6760 [6] SEAL-O-RING  
10. 6V-8201 M [8] BOLT-SOCKET HEAD (M16X2X45-MM)  
11. 120-4394 [1] PLUG-BREAK OFF  
12. 123-0698 [2] PLUG  
13. 123-5787 [2] SEAT  
14. 3J-1907 [1] SEAL-O-RING  
15. 301-7890 Y [2] VALVE GP-CHECK (HYDROSTATIC DRIVE, RH)  
16. 8T-7811 M [4] BOLT-SOCKET HEAD (M12X1.75X50-MM)  
17. 061-7540 [1] SEAL-O-RING  
18. 135-7455 [3] SEAL  
19. 7X-2906 [2] PIN  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP50050172
 

279-0543: HEAD GP-MOTOR

279-0543 HEAD GP-MOTOR -HYDROSTATIC DRIVE, RH
S/N NCF1-UP
PART OF 243-6640 MOTOR GP-PISTON
Type 2
i07287520 SEBP5005
2790543 HEAD GP-MOTOR Parts scheme
  For full view, you need register

Parts for your D6K TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 124-9882 [1] TRUNNION  
2. 373-8445 C [1] PISTON  
3. 343-9780 C [1] PISTON  
4. 125-2205 M [1] BOLT-SHALLOW HEAD (M14X1.5X25-MM)  
5. 373-8446 C [1] PIN-THREADED  
6. 4J-5477 C [3] SEAL-O-RING  
7. 8T-0348 CM [8] BOLT-SOCKET HEAD (M16X2X50-MM)  
8. 227-0136 C [2] PLUG  
9. 123-5787 [2] SEAT  
10. 301-7890 Y [2] VALVE GP-CHECK (HYDROSTATIC DRIVE MOTOR)  
11. 7X-2906 [2] PIN  
12. 9X-7408 C [3] SEAL-O-RING  
  C   CHANGE FROM PREVIOUS TYPE
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP50050173
 

278-4440: HEAD GP-PUMP

278-4440 HEAD GP-PUMP -HYDROSTATIC DRIVE, LH
S/N NCF1-UP
PART OF 261-3629, 521-2483 PUMP GP-PISTON
i02829754 SEBP5005
2784440 HEAD GP-PUMP Parts scheme
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Parts for your D6K TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1G-7407 J [2] VALVE GP-RELIEF (PUMP HEAD)  
    (EACH INCLUDES)
  123-7556 [1] CAP  
2. 6E-4402 Y [1] VALVE GP-RELIEF (CHARGE PRESSURE)(HYDROSTATIC DRIVE)  
3. 3E-8008 M [4] BOLT-SOCKET HEAD (M16X2X90-MM)  
4. 2P-1692 [1] SEAL-O-RING  
5. 9S-8002 [2] PLUG (7/16-20-THD)  
6. 6V-8398 [1] SEAL-O-RING  
7. 126-1597 [1] BEARING  
8. 126-1598 [1] BUSHING  
9. 120-4394 [1] PLUG-BREAK OFF  
10. 144-9101 [1] PLUG-BREAK OFF  
11. 3J-7354 [2] SEAL-O-RING  
   
    AVAILABLE REPAIR KIT(S):
  145-0905 J [1] KIT-SEAL (PUMP HEAD RELIEF VALVE)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP50050174
 

278-4441: HEAD GP-PUMP

278-4441 HEAD GP-PUMP -HYDROSTATIC DRIVE, RH
S/N NCF1-UP
PART OF 261-3630, 521-2484 PUMP GP-PISTON
i02829775 SEBP5005
2784441 HEAD GP-PUMP Parts scheme
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Parts for your D6K TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1G-7407 J [2] VALVE GP-RELIEF (PUMP HEAD)  
    (EACH INCLUDES)
  123-7556 [1] CAP  
2. 6E-4402 Y [1] VALVE GP-RELIEF (CHARGE PRESSURE)(HYDROSTATIC DRIVE)  
3. 3E-8008 M [4] BOLT-SOCKET HEAD (M16X2X90-MM)  
4. 2P-1692 [1] SEAL-O-RING  
5. 9S-8002 [2] PLUG (7/16-20-THD)  
6. 6V-8398 [1] SEAL-O-RING  
7. 126-1597 [1] BEARING  
8. 126-1598 [1] BUSHING  
9. 120-4394 [1] PLUG-BREAK OFF  
10. 144-9101 [1] PLUG-BREAK OFF  
11. 3J-7354 [2] SEAL-O-RING  
12. 126-1477 [1] BUSHING-COUPLING  
   
    AVAILABLE REPAIR KIT(S):
  145-0905 J [1] KIT-SEAL (PUMP HEAD RELIEF VALVE)  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP50050175
 

206-7263: LINES GP-DRAIN

206-7263 LINES GP-DRAIN
S/N NCF1-UP
PART OF 337-2171 POWER TRAIN AR
i02829363 SEBP5005
2067263 LINES GP-DRAIN Parts scheme
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Parts for your D6K TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 168-8402 I [1] HOSE AS  
2. 177-2215 [6] STRAP-DUAL CLAMP  
3. 243-3647 [1] HOSE  
4. 243-3652 [1] TUBE AS  
5. 243-3654 [1] TUBE AS  
6. 250-5485 [1] BRACKET AS  
7. 253-1803 Y [1] VALVE GP-TRANSMISSION CONTROL (HYDROSTATIC)  
8. 263-8727 [1] BRACKET AS  
9. 288-8609 I [1] HOSE AS  
10. 288-8610 I [1] HOSE AS  
11. 100-4336 [1] CLIP (LOOP)  
12. 357-4378 [2] CONNECTOR AS  
    (EACH INCLUDES)
  6V-8637 [1] CONNECTOR  
  3D-2824 [1] SEAL-O-RING  
  6V-9746 [1] SEAL-O-RING  
13. 148-8342 [2] CONNECTOR AS  
    (EACH INCLUDES)
  6V-8632 [1] CONNECTOR  
  3K-0360 [1] SEAL-O-RING  
  7J-9108 [1] SEAL-O-RING  
14. 357-4448 [2] ELBOW AS  
    (EACH INCLUDES)
  8T-6684 [1] ELBOW  
  3D-2824 [1] SEAL-O-RING  
  5K-9090 [1] SEAL-O-RING  
15. 203-6971 I [1] HOSE AS  
16. 6V-1889 [1] CLIP (LOOP)  
17. 8T-4121 [5] WASHER-HARD (11X21X2.5-MM THK)  
18. 8T-4133 M [1] NUT (M10X1.5-THD)  
19. 8T-4137 M [1] BOLT (M10X1.5X20-MM)  
20. 8T-4194 M [4] BOLT (M12X1.75X50-MM)  
21. 8T-4198 M [3] BOLT (M10X1.5X100-MM)  
22. 8T-4223 [4] WASHER-HARD (13.5X25.5X3-MM THK)  
23. 8T-6703 [2] CLAMP-HOSE  
24. 172-5761 [1] TEE AS  
  126-8306 [1] TEE-O-RING  
  3K-0360 [1] SEAL-O-RING  
  6V-8398 [1] SEAL-O-RING  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP50050176
 

206-7257: LINES GP-HYDROSTATIC

206-7257 LINES GP-HYDROSTATIC
S/N NCF1-UP
PART OF 337-2171 POWER TRAIN AR
i02829359 SEBP5005
2067257 LINES GP-HYDROSTATIC Parts scheme
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Parts for your D6K TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 360-3576 [1] TEE AS  
  7X-2459 [1] ADAPTER-TEE  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
2. 243-3154 I [1] HOSE AS  
3. 243-3155 I [1] HOSE AS  
4. 277-3629 I [1] HOSE AS  
5. 277-3630 I [1] HOSE AS  
6. 277-4267 I [1] HOSE AS  
7. 360-3563 [1] CONNECTOR AS  
  9X-2297 [1] CONNECTOR  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
8. 1P-3703 [4] SEAL-RECTANGULAR  
9. 1P-3704 [4] SEAL-RECTANGULAR  
10. 1P-5767 [8] FLANGE-HALF  
11. 6V-0400 [8] FLANGE-HALF  
12. 8T-4184 M [16] BOLT (M12X1.75X45-MM)  
13. 8T-4194 M [16] BOLT (M12X1.75X50-MM)  
14. 8T-4223 [32] WASHER-HARD (13.5X25.5X3-MM THK)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
 

#SEBP50050177
 

206-7243: LINES GP-POWER TRAIN COOLER

206-7243 LINES GP-POWER TRAIN COOLER
S/N NCF1-UP
PART OF 337-2171 POWER TRAIN AR
i02829294 SEBP5005
2067243 LINES GP-POWER TRAIN COOLER Parts scheme
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Parts for your D6K TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8T-4244 M [2] NUT (M12X1.75-THD)  
2. 287-2982 [1] PLATE AS  
3. 287-8533 [1] TUBE AS  
4. 287-8534 [1] TUBE AS  
5. 287-8535 [1] PLATE AS  
6. 288-2567 I [1] HOSE AS  
7. 288-2568 I [1] HOSE AS  
8. 357-4449 [1] ELBOW AS  
  6V-9009 [1] ELBOW  
  2S-4078 [1] SEAL-O-RING  
  6V-8400 [1] SEAL-O-RING  
9. 357-4499 [1] ELBOW AS  
  6V-9006 [1] ELBOW  
  2S-4078 [1] SEAL-O-RING  
  6V-8400 [1] SEAL-O-RING  
10. 198-4780 [2] WASHER-HARD (17.5X32X8-MM THK)  
11. 6V-8400 [2] SEAL-O-RING  
12. 7X-2553 M [2] BOLT (M16X2X40-MM)  
13. 7X-7729 [2] WASHER (11X25X3-MM THK)  
14. 8S-0023 [3] CLIP (SLOT)  
15. 8S-0024 [3] CLIP (TAB)  
16. 8T-4133 M [1] NUT (M10X1.5-THD)  
17. 8T-4192 M [1] BOLT (M12X1.75X25-MM)  
18. 8T-4223 [3] WASHER-HARD (13.5X25.5X3-MM THK)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
 

#SEBP50050178
 

252-5074: LINES GP-PUMP

252-5074 LINES GP-PUMP
S/N NCF1-UP
PART OF 337-2171 POWER TRAIN AR
i02830080 SEBP5005
2525074 LINES GP-PUMP Parts scheme
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Parts for your D6K TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8T-4136 M [2] BOLT (M10X1.5X25-MM)  
2. 243-3655 [1] TUBE AS  
3. 243-3656 [1] TUBE AS  
4. 243-3658 I [1] HOSE AS  
5. 247-2588 [1] TUBE AS  
6. 247-2647 I [1] HOSE AS  
7. 357-4366 [2] CONNECTOR AS  
    (EACH INCLUDES)
  6V-8636 [1] CONNECTOR  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
8. 357-4371 [3] CONNECTOR AS  
    (EACH INCLUDES)
  6V-8639 [1] CONNECTOR  
  3K-0360 [1] SEAL-O-RING  
  6V-8398 [1] SEAL-O-RING  
9. 150-4037 [1] TEE AS  
  6V-9844 [1] TEE-SWIVEL  
  6V-8398 [2] SEAL-O-RING  
10. 5P-9297 [2] CLIP (LOOP)  
11. 7C-4354 [2] CLIP  
12. 8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
13. 8T-4133 M [2] NUT (M10X1.5-THD)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
 

#SEBP50050179
 

236-2123: MOTOR & MOUNTING GP

236-2123 MOTOR & MOUNTING GP -HYDROSTATIC DRIVE
S/N NCF1-UP
PART OF 337-2171 POWER TRAIN AR
i02829782 SEBP5005
2362123 MOTOR & MOUNTING GP Parts scheme
  For full view, you need register

Parts for your D6K TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 243-6639 Y [1] MOTOR GP-PISTON  
2. 243-6640 Y [1] MOTOR GP-PISTON (HYDROSTATIC DRIVE, RH)  
3. 2K-2939 [2] SEAL-O-RING  
4. 8T-4140 M [8] BOLT (M16X2X60-MM)  
5. 9X-8257 [8] WASHER (17.5X30X3.5-MM THK)  
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

Information:

Caterpillar Parts SIS Catalog D6K :

HEAD GP-MOTOR
278-8935 HEAD GP-MOTOR
FINAL DRIVE & BRAKE GP
239-1244 FINAL DRIVE & BRAKE GP
COUPLING GP-PUMP
206-7255 COUPLING GP-PUMP
ADAPTER GP-PUMP
278-4448 ADAPTER GP-PUMP
ACTUATOR GP-PUMP
278-4439 ACTUATOR GP-PUMP
WIRING GP-WINCH
266-9652 WIRING GP-WINCH
WIRING GP-WINCH
266-9652 WIRING GP-WINCH
WIRING GP-SEAT
272-2771 WIRING GP-SEAT
HEAD GP-MOTOR
279-0543 HEAD GP-MOTOR
HEAD GP-MOTOR
279-0543 HEAD GP-MOTOR
HEAD GP-PUMP
278-4440 HEAD GP-PUMP
HEAD GP-PUMP
278-4441 HEAD GP-PUMP
LINES GP-DRAIN
206-7263 LINES GP-DRAIN
LINES GP-HYDROSTATIC
206-7257 LINES GP-HYDROSTATIC
LINES GP-POWER TRAIN COOLER
206-7243 LINES GP-POWER TRAIN COOLER
LINES GP-PUMP
252-5074 LINES GP-PUMP
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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.
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