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422-1135 TRACK GP -2-REQUIRED, GENERAL DUTY S/N P721-UP 760-MM (30-IN) GROUSER SHOE. SEALED, LUBRICATED, MODERATE SERVICE PART OF 454-0065 TRACK AR FOR USE WITH HEAVY-DUTY GUARDS, GUIDESTRIPS, STANDARD ROLLERS & CONVENTIONAL IDLERS ALSO AN ATTACHMENT PL72


UNDERCARRIAGE
TRACK GP
UNDERCARRIAGE GP
OPERATOR STATION
CONTROL GP-TRANSMISSION
STEERING AND BRAKING SYSTEM
LINES GP
MOTOR GP
HYDRAULIC SYSTEM
VALVE GP-FLUSHING
ACCUMULATOR GP

PIPELAYER PL72 PIPELAYER P72
 PL72 PIPELAYER P7200001-UP (MACHINE) POWERED BY C9 Engine SEBP7237 PL72 P72   (2015)

UNDERCARRIAGE

TRACK GP
LINK AS-TRACK
391-3925 LINK AS-TRACK
TRACK AR
454-0065 TRACK AR
TRACK GP
422-1135 TRACK GP
 

#SEBP72370500
 

422-1135: TRACK GP

422-1135 TRACK GP -2-REQUIRED, GENERAL DUTY
S/N P721-UP
760-MM (30-IN) GROUSER SHOE. SEALED, LUBRICATED, MODERATE SERVICE
PART OF 454-0065 TRACK AR
FOR USE WITH HEAVY-DUTY GUARDS, GUIDESTRIPS, STANDARD ROLLERS & CONVENTIONAL IDLERS
ALSO AN ATTACHMENT
i06213956 SEBP7237
4221135 TRACK GP Parts scheme
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Parts for your PL72 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6Y-6300 [1] SHOE-TRACK MASTER  
2. 391-3925 Y [1] LINK AS-TRACK (GENERAL DUTY)  
3. 6Y-8973 [44] SHOE-TRACK  
4. 6V-1792 [176] BOLT-TRACK (3/4-16X2.4-IN)  
5. 1S-1860 [176] NUT-TRACK (3/4-16-THD)  
6. 9S-1838 [4] BOLT-TRACK MASTER (3/4-16X4.13-IN)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP72370501
 

445-4692: UNDERCARRIAGE AR

445-4692 UNDERCARRIAGE AR
S/N P721-UP
PART OF 444-8100 COMMON AR
ALSO AN ATTACHMENT
i06249527 SEBP7237
  For full view, you need register

Parts for your PL72 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  454-9836 Y [1] FRAME GP-TRACK ROLLER (RH)  
  454-9837 Y [1] FRAME GP-TRACK ROLLER (LH)  
  164-0406 Y [1] GUARD GP-TRACK GUIDE  
  458-6678 Y [2] IDLER GP-TRACK (GENERAL DUTY)  
  458-6679 Y [2] IDLER GP-TRACK (GENERAL DUTY)  
  169-4368 Y [2] MOUNTING GP-CARRIER ROLLER  
  454-8597 Y [1] PIVOT BAR GP  
  235-5974 Y [2] ROLLER GP-TRACK CARRIER  
  471-8571 Y [16] ROLLER GP-TRACK-DOUBLE FLANGE  
  458-6680 Y [2] SEGMENT GP-SPROCKET  
  Y [1] TRACK AR  
  281-4015 [2] PIN  
  Y   SEPARATE ILLUSTRATION
 

#SEBP72370502
 

439-2000: CONTROL GP-STEERING & XMSN

439-2000 CONTROL GP-STEERING & XMSN
S/N P721-UP
PART OF 425-9758 CONTROL GP-OPERATOR
AN ATTACHMENT
i06179296 SEBP7237
4392000 CONTROL GP-STEERING & XMSN Parts scheme
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Parts for your PL72 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3S-2093 [1] STRAP-CABLE  
2. 358-6190 [1] SENSOR GP-POSITION (ROTARY)(ROTARY)  
3. 360-5122 Y [1] SENSOR GP-POSITION (STEERING)  
4. 364-0147 [1] PLATE  
5. 364-0149 Y [1] CONTROL GP-JOYSTICK (STEERING, TRANSMISSION)  
6. 127-2170 M [3] SCREW-TRUSS HEAD (M8X1.25X20-MM)  
7. 6V-2314 M [2] BOLT (M5X0.8X35-MM)  
8. 9X-8256 [2] WASHER (6.6X12X2-MM THK)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP72370503
 

450-1044: LINES GP-STEERING

450-1044 LINES GP-STEERING
S/N P721-UP
PART OF 444-8099 HYDRAULIC AR
ALSO AN ATTACHMENT
i06210365 SEBP7237
4501044 LINES GP-STEERING Parts scheme
  For full view, you need register

Parts for your PL72 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6Y-3526 Y [1] ADAPTER GP-MOTOR (STEERING)  
2. 171-8676 [1] CONNECTOR AS  
  6V-9746 [1] SEAL-O-RING  
  202-5371 [1] SEAL  
  366-4664 [1] CONNECTOR  
3. 396-0399 [1] CONNECTOR AS  
  6V-9746 [1] SEAL-O-RING  
  396-0398 [1] CONNECTOR  
4. 425-9871 Y [1] MOTOR GP-PISTON (STEERING)  
5. 450-2652 I [1] HOSE AS  
6. 450-2653 I [1] HOSE AS  
7. 450-2654 I [1] HOSE AS  
8. 450-2655 I [1] HOSE AS  
9. 450-2656 I [1] HOSE AS  
10. 451-8474 I [1] HOSE AS  
11. 148-8327 [1] CONNECTOR AS  
  3D-2824 [1] SEAL-O-RING  
  6V-8637 [1] CONNECTOR  
  6V-9746 [1] SEAL-O-RING  
12. 148-8347 [1] ELBOW AS  
  3D-2824 [1] SEAL-O-RING  
  6V-9007 [1] ELBOW  
  6V-9746 [1] SEAL-O-RING  
13. 148-8388 [1] ELBOW AS  
  2M-9780 [1] SEAL-O-RING  
  6V-8629 [1] ELBOW  
  6V-9746 [1] SEAL-O-RING  
14. 153-6244 [1] ELBOW AS  
  2M-9780 [1] SEAL-O-RING  
  6V-9746 [1] SEAL-O-RING  
  8T-5389 [1] ELBOW  
15. 1P-3703 [4] SEAL-RECTANGULAR  
16. 1P-3704 [2] SEAL-RECTANGULAR  
17. 1P-5766 [4] FLANGE-HALF  
18. 235-3570 [4] FLANGE-HALF  
19. 241-6150 [1] ELBOW AS  
  3D-2824 [1] SEAL-O-RING  
  6V-9746 [1] SEAL-O-RING  
  235-3611 [1] ELBOW  
20. 242-6099 [1] CLIP (LOOP)  
21. 344-5675 M [1] NUT (M10X1.5-THD)  
22. 5P-2369 [1] CLIP (LOOP)  
23. 6V-0400 [4] FLANGE-HALF  
24. 7X-0510 [8] WASHER-HARD (15.5X29X3-MM THK)  
25. 8C-6854 M [8] BOLT (M14X2X50-MM)  
26. 8T-4121 [10] WASHER-HARD (11X21X2.5-MM THK)  
27. 8T-4136 M [1] BOLT (M10X1.5X25-MM)  
28. 8T-4184 M [6] BOLT (M12X1.75X45-MM)  
29. 8T-4185 M [8] BOLT (M10X1.5X50-MM)  
30. 8T-4194 M [2] BOLT (M12X1.75X50-MM)  
31. 8T-4223 [8] WASHER-HARD (13.5X25.5X3-MM THK)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP72370504
 

425-9871: MOTOR GP-PISTON

425-9871 MOTOR GP-PISTON
S/N P721-UP
STEERING
PART OF 450-1044 LINES GP-STEERING
ALSO AN ATTACHMENT
i06147664 SEBP7237
4259871 MOTOR GP-PISTON Parts scheme
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Parts for your PL72 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 462-5728 Y [1] ROTATING GP-MOTOR (STEERING)  
2. 9S-8008 [2] PLUG (1-1/16-12-THD)  
3. 3D-2824 [2] SEAL-O-RING  
4. 6V-1197 [1] SEAL-O-RING  
5. 8T-4231 [1] DOWEL  
6. 8T-3957 M [2] BOLT-SOCKET HEAD (M12X1.75X30-MM)  
7. 462-5727 [1] HEAD-PUMP  
8. 373-2009 Y [1] VALVE GP-FLUSHING  
9. 8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
10. 3E-8007 M [4] BOLT-SOCKET HEAD (M12X1.75X90-MM)  
11. 5H-6005 [1] SEAL-O-RING  
12. 107-3118 [2] SEAL-O-RING  
13. 482-8976 [1] HOUSING  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP72370505
 

462-5728: ROTATING GP-MOTOR

462-5728 ROTATING GP-MOTOR
S/N P721-UP
STEERING
PART OF 425-9871 MOTOR GP-PISTON
ALSO AN ATTACHMENT
i06147668 SEBP7237
4625728 ROTATING GP-MOTOR Parts scheme
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Parts for your PL72 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 355-2411 [1] SHAFT AS  
2. 9T-1638 J [1] RING-BEARING  
3. 475-2034 BJ [1] KIT-PLATE  
    (INCLUDES PLATES)
4. 475-2035 J [1] RING-RETAINING  
5. 475-2036 J [1] BEARING-ROLLER  
6. 475-2037 J [1] BEARING-ROLLER  
7. 6E-4096 [1] BARREL  
8. 9T-1642 [1] PLATE-RETAINING  
9. 9T-1643 [1] DISC-RETAINING  
10. 171-3054 [1] PIN-CENTER  
11. 165-6970 [7] PISTON AS  
12. 123-5773 B [1] SHIM (3.5-MM THK)  
13. 171-3055 B [1] SHIM (4-MM THK)  
14. 171-3057 B [1] SHIM (3.9-MM THK)  
15. 171-3058 B [1] SHIM (3.8-MM THK)  
16. 171-3059 B [1] SHIM (3.7-MM THK)  
17. 171-3060 B [1] SHIM (3.6-MM THK)  
18. 460-6101 B [1] SHIM  
19. 463-0057 B [1] SHIM  
20. 216-0029 M [7] SCREW (M6X20-MM)  
21. 171-3061 [1] SPRING  
22. 171-3067 [1] PLATE-PORT  
   
   
    AVAILABLE REPAIR KIT(S):
  171-5990 J [1] KIT-BEARING  
  B   USE AS REQUIRED
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP72370506
 

373-2009: VALVE GP-FLUSHING

373-2009 VALVE GP-FLUSHING -STEERING
S/N P721-UP
PART OF 425-9871 MOTOR GP-PISTON
ALSO AN ATTACHMENT
i04519949 SEBP7237
3732009 VALVE GP-FLUSHING Parts scheme
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Parts for your PL72 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 124-9891 [2] PLUG  
2. 107-3117 [2] SEAL-O-RING  
3. 124-9900 [2] SPRING  
4. 124-9899 [2] SPACER  
5. 125-4572 [1] RING-RETAINING  
6. 373-2010 [1] ORIFICE  
7. 124-9896 [1] VALVE-PISTON  
8. 124-9901 [1] SPRING  
9. 124-9904 B [1] SHIM (1-MM THK)  
10. 124-9905 B [1] SHIM (0.3-MM THK)  
11. 124-9906 B [1] SHIM (0.5-MM THK)  
12. 6V-8351 [1] SEAL-O-RING  
13. 109-4441 [1] PLUG  
14. 8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
15. 9T-3928 [2] PLUG AS  
    (EACH INCLUDES)
  187-8001 [1] SEAL  
16. 107-3118 [2] SEAL-O-RING  
17. 109-3204 [1] SEAL-O-RING  
  B   USE AS REQUIRED
  M   METRIC PART
 

#SEBP72370507
 

331-7020: ACCUMULATOR GP-HYDRAULIC

331-7020 ACCUMULATOR GP-HYDRAULIC -CHARGED
S/N P721-UP
PART OF 450-2584 LINES GP-TRANSMISSION OIL
FIELD REPLACEMENT ORDER @@@@@331-7021@@@@@
ALSO AN ATTACHMENT
i03797549 SEBP7237
3317020 ACCUMULATOR GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your PL72 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 224-5132 [1] CAP (GAS VALVE)  
2. 224-5152 [1] VALVE-GAS  
3. 3J-7354 [1] SEAL-O-RING  
4. 1J-9671 [1] SEAL-O-RING  
5. 241-0037 [1] FILM-INFORMATION (HYDRAULIC ACCUMULATOR)  
 

#SEBP72370508
 

331-7021: ACCUMULATOR GP-HYDRAULIC

331-7021 ACCUMULATOR GP-HYDRAULIC -UNCHARGED
S/N P721-UP
FIELD REPLACEMENT FOR @@@@@331-7020@@@@@
i04032537 SEBP7237
3317021 ACCUMULATOR GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your PL72 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 224-5132 [1] CAP (GAS VALVE)  
2. 224-5152 [1] VALVE-GAS  
3. 3J-7354 [1] SEAL-O-RING  
4. 1J-9671 [1] SEAL-O-RING  
5. 241-0037 [1] FILM-INFORMATION (HYDRAULIC ACCUMULATOR)  
 

#SEBP72370509
 

353-8630: ACCUMULATOR GP-HYDRAULIC

353-8630 ACCUMULATOR GP-HYDRAULIC -UNCHARGED
S/N P721-UP
FIELD REPLACEMENT FOR @@@@@372-1169@@@@@
i04559799 SEBP7237
3538630 ACCUMULATOR GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your PL72 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 241-0037 [1] FILM-INFORMATION (HYDRAULIC ACCUMULATOR)  
2. 222-2367 [1] VALVE GP-ACCUMULATOR CHARGING  
  190-3850 [1] CORE  
3. 111-9110 [1] PROTECTOR-GAS VALVE  
4. 5M-3062 [2] BOLT (3/8-16X0.75-IN)  
   
    AVAILABLE REPAIR KIT(S):
  8R-2972 [1] KIT-SEAL (BRAKE ACCUMULATOR)  
    (INCLUDES VALVE O-RINGS, BACK UP WASHERS, SEAL O-RINGS, RINGS, KIT BAG, & KIT LABEL)
 

Information:

Caterpillar Parts SIS Catalog PL72 :

TRACK AR
454-0065 TRACK AR
TRACK ADJUSTER & RECOIL GP
468-2558 TRACK ADJUSTER & RECOIL GP
ROLLER GP-TRACK-DOUBLE FLANGE
471-8572 ROLLER GP-TRACK-DOUBLE FLANGE
ROLLER GP-TRACK-DOUBLE FLANGE
471-8571 ROLLER GP-TRACK-DOUBLE FLANGE
ROLLER GP-TRACK CARRIER
235-5974 ROLLER GP-TRACK CARRIER
PIVOT BAR GP
454-8597 PIVOT BAR GP
MOUNTING GP-CARRIER ROLLER
169-4368 MOUNTING GP-CARRIER ROLLER
LINK AS-TRACK
391-3925 LINK AS-TRACK
445-4692 UNDERCARRIAGE AR
CONTROL GP-STEERING & XMSN
439-2000 CONTROL GP-STEERING & XMSN
LINES GP-STEERING
450-1044 LINES GP-STEERING
MOTOR GP-PISTON
425-9871 MOTOR GP-PISTON
ROTATING GP-MOTOR
462-5728 ROTATING GP-MOTOR
VALVE GP-FLUSHING
373-2009 VALVE GP-FLUSHING
ACCUMULATOR GP-HYDRAULIC
331-7020 ACCUMULATOR GP-HYDRAULIC
ACCUMULATOR GP-HYDRAULIC
331-7021 ACCUMULATOR GP-HYDRAULIC
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