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503-1877 FLANGE GP S/N 6P21-UP; S3H1-UP PART OF 461-2712 PUMP GP-PISTON PL61 PIPELAYER


HYDRAULIC SYSTEM
DRIVE GP
PUMP GP
HYDRAULIC GP
LINES GP-BOOM
LINES GP-COUNTERWEIGHT

PIPELAYER PL61 PIPELAYER 6P2
 PL61 Pipelayer 6P200001-UP (MACHINE) M0087376 PL61 6P2   (2018)

HYDRAULIC SYSTEM

DRIVE GP
FLANGE GP
503-1876 FLANGE GP
FLANGE GP
503-1877 FLANGE GP
 

#M00873760400
 

503-1877: FLANGE GP

503-1877 FLANGE GP
S/N 6P21-UP; S3H1-UP
PART OF 461-2712 PUMP GP-PISTON
i07046068 M0087376
5031877 FLANGE GP Parts scheme
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Parts for your PL61 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 503-2925 [1] FLANGE-BEARING  
2. 1J-2176 [1] SEAL-O-RING  
3. 6V-8200 M [8] BOLT-SOCKET HEAD (M12X1.75X35-MM)  
4. 462-0701 [4] PIN-CYLINDER  
5. 351-1768 [1] SEAL-O-RING  
6. 8T-6404 [1] SEAL-O-RING  
7. 8T-3957 M [8] BOLT-SOCKET HEAD (M12X1.75X30-MM)  
  M   METRIC PART
 

#M00873760401
 

468-9805: HOUSING GP-PUMP

468-9805 HOUSING GP-PUMP
S/N 6P21-UP; S3H1-UP
PART OF 488-7191 HOUSING GP-PUMP
i06752930 M0087376
4689805 HOUSING GP-PUMP Parts scheme
  For full view, you need register

Parts for your PL61 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 478-3808 [1] HOUSING  
2. 478-3809 [1] COUPLING  
3. 199-3676 [1] RING-RETAINING  
4. 462-0498 [4] KIT-SEAL (PUMP HOUSING)  
    (EACH SEAL KIT INCLUDES SEAL CARRIER & O-RING SEAL)
5. 462-0497 [4] RING-GUIDE  
6. 9S-8004 [11] PLUG (9/16-18-THD)  
7. 3J-1907 [11] SEAL-O-RING  
8. 462-0503 [2] BEARING-BUSHING  
9. 462-0702 [2] BUSHING  
10. 382-9259 [7] FILTER (SCREEN)(SWING PUMP)  
11. 458-9684 [2] PIN  
 

#M00873760402
 

488-7191: HOUSING GP-PUMP

488-7191 HOUSING GP-PUMP
S/N 6P21-UP; S3H1-UP
PART OF 461-2712 PUMP GP-PISTON
i06826951 M0087376
4887191 HOUSING GP-PUMP Parts scheme
  For full view, you need register

Parts for your PL61 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 468-9805 Y [1] HOUSING GP-PUMP  
2. 468-9800 [4] VALVE AS-RELIEF (CROSSOVER)  
    (EACH INCLUDES)
  252-8073 [1] SEAL-O-RING  
3. 464-6779 Y [1] VALVE GP-RELIEF (CHARGE)  
4. 478-3802 [2] VALVE GP-SEQUENCE  
  Y   SEPARATE ILLUSTRATION
 

#M00873760403
 

456-9528: HYDRAULIC AR

456-9528 HYDRAULIC AR
S/N S3H1-UP
PART OF 451-1207 COMMON AR
i07249405 M0087376
  For full view, you need register

Parts for your PL61 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  483-3011 Y [1] COVER GP-ACCESS  
  484-5236 Y [1] COVER GP-LINES  
  459-3826 Y [1] LINES GP-BOOM  
  459-3821 Y [1] LINES GP-COUNTERWEIGHT (FRAME)  
  482-6541 Y [1] LINES GP-COUNTERWEIGHT (CYLINDER)  
  459-3829 Y [1] LINES GP-CHARGE PRESSURE  
  459-3830 Y [1] LINES GP-BOOM CONTROL  
  459-3827 Y [1] LINES GP-PILOT  
  459-3828 Y [1] LINES GP-PUMP  
  482-6542 Y [1] LINES GP-WINCH (BOOM)  
  459-3824 Y [1] LINES GP-WINCH (FRAME)  
  482-6543 Y [1] LINES GP-WINCH (HOOK)  
  478-3439 Y [1] TANK & MTG GP-HYDRAULIC  
  459-6107 Y [1] VALVE & MTG GP-MAIN CONTROL  
  Y   SEPARATE ILLUSTRATION
 

#M00873760404
 

493-5865: HYDRAULIC AR

493-5865 HYDRAULIC AR
S/N 6P21-UP
PART OF 461-4748 COMMON AR
i07249412 M0087376
  For full view, you need register

Parts for your PL61 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  483-3011 Y [1] COVER GP-ACCESS  
  484-5236 Y [1] COVER GP-LINES  
  459-3826 Y [1] LINES GP-BOOM  
  497-8936 Y [1] LINES GP-BOOM CONTROL  
  497-8934 Y [1] LINES GP-CHARGE PRESSURE  
  459-3821 Y [1] LINES GP-COUNTERWEIGHT (FRAME)  
  482-6541 Y [1] LINES GP-COUNTERWEIGHT (CYLINDER)  
  459-3827 Y [1] LINES GP-PILOT  
  482-6542 Y [1] LINES GP-WINCH (BOOM)  
  482-6543 Y [1] LINES GP-WINCH (HOOK)  
  497-8935 Y [1] LINES GP-WINCH (FRAME)  
  497-8933 Y [1] LINES GP-PUMP  
  478-3439 Y [1] TANK & MTG GP-HYDRAULIC  
  459-6107 Y [1] VALVE & MTG GP-MAIN CONTROL  
  Y   SEPARATE ILLUSTRATION
 

#M00873760405
 

459-3826: LINES GP-BOOM

459-3826 LINES GP-BOOM
S/N 6P21-UP; S3H1-UP
PART OF 456-9528, 493-5865 HYDRAULIC AR
i07213090 M0087376
4593826 LINES GP-BOOM Parts scheme
  For full view, you need register

Parts for your PL61 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 118-8985 [4] NUT-CLAMP  
2. 349-8560 [2] CLAMP-SINGLE  
3. 460-5005 [1] TUBE AS  
4. 460-5006 [1] TUBE AS  
5. 148-8360 [1] ELBOW AS  
  6V-9182 [1] ELBOW  
  6V-9746 [1] SEAL-O-RING  
  7M-8485 [1] SEAL-O-RING  
6. 1P-3702 [2] SEAL-RECTANGULAR  
7. 296-5750 [1] CONNECTOR AS  
  6V-9746 [1] SEAL-O-RING  
  7M-8485 [1] SEAL-O-RING  
  109-5821 [1] CONNECTOR  
8. 7X-2534 M [4] BOLT (M6X1X50-MM)  
9. 8T-4121 [8] WASHER-HARD (11X21X2.5-MM THK)  
10. 8T-4182 M [8] BOLT (M10X1.5X45-MM)  
11. 8T-9403 [4] FLANGE-HALF  
  M   METRIC PART
 

#M00873760406
 

459-3830: LINES GP-BOOM CONTROL

459-3830 LINES GP-BOOM CONTROL
S/N S3H1-UP
PART OF 456-9528 HYDRAULIC AR
i07229479 M0087376
4593830 LINES GP-BOOM CONTROL Parts scheme
  For full view, you need register

Parts for your PL61 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8T-4136 M [4] BOLT (M10X1.5X25-MM)  
2. 8T-4195 M [1] BOLT (M10X1.5X30-MM)  
3. 8T-4198 M [2] BOLT (M10X1.5X100-MM)  
4. 1S-0994 [1] CLIP (LOOP)  
5. 5P-4116 [12] WASHER-HARD (8.8X20.5X2-MM THK)  
6. 6V-0852 [1] CAP-DUST  
7. 8T-4121 [8] WASHER-HARD (11X21X2.5-MM THK)  
8. 8T-7547 M [4] BOLT (M8X1.25X30-MM)  
9. 148-8316 [1] CONNECTOR AS  
  3J-7354 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
  6V-8647 [1] CONNECTOR  
10. 148-8336 [1] CONNECTOR AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-8636 [1] CONNECTOR  
11. 148-8338 [1] CONNECTOR AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  8T-0075 [1] CONNECTOR  
12. 148-8374 [1] ELBOW AS  
  3K-0360 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-8723 [1] ELBOW  
13. 150-3033 [1] ELBOW AS  
  3J-1907 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
  8T-0164 [1] ELBOW  
14. 164-5567 [1] COUPLER AS-QUICK DISCONNECT (MALE)  
  6V-3965 [1] FITTING (QUICK DISCONNECT)  
  214-7568 [1] SEAL-O-RING  
15. 164-5624 [1] ELBOW AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8398 [1] SEAL-O-RING  
  9X-2085 [1] ELBOW  
16. 177-2215 [1] STRAP-DUAL CLAMP  
17. 203-3847 [1] BRACKET AS  
  171-2419 M [1] STUD-WELD (M10X1.5X35-MM)  
18. 296-7704 Y [1] VALVE GP-LOAD CONTROL  
19. 297-6401 Y [1] ACCUMULATOR GP-HYDRAULIC  
20. 299-2513 [2] BRACKET  
21. 344-5675 M [1] NUT (M10X1.5-THD)  
22. 459-4706 [1] BRACKET AS  
  8T-3490 M [3] NUT-WELD (M10X1.5-THD)  
  8T-3612 M [4] NUT-WELD (M8X1.25-THD)  
23. 478-3443 I [1] HOSE AS  
24. 478-3444 I [1] HOSE AS  
25. 478-3445 I [1] HOSE AS  
26. 478-3446 I [1] HOSE AS  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M00873760407
 

497-8936: LINES GP-BOOM CONTROL

497-8936 LINES GP-BOOM CONTROL
S/N 6P21-UP
PART OF 493-5865 HYDRAULIC AR
i07249385 M0087376
4978936 LINES GP-BOOM CONTROL Parts scheme
  For full view, you need register

Parts for your PL61 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 203-3847 [1] BRACKET AS  
2. 296-7704 Y [1] VALVE GP-LOAD CONTROL (BOOM LOWERING)  
3. 297-6401 Y [1] ACCUMULATOR GP-HYDRAULIC (CHARGED)  
4. 459-4706 [1] BRACKET AS  
  8T-3490 M [3] NUT-WELD (M10X1.5-THD)  
  8T-3612 M [4] NUT-WELD (M8X1.25-THD)  
5. 478-3443 I [1] HOSE AS  
6. 478-3445 I [1] HOSE AS  
7. 478-3446 I [1] HOSE AS  
8. 497-8950 I [1] HOSE AS  
9. 148-8316 [1] CONNECTOR AS  
  3J-7354 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
  6V-8647 [1] CONNECTOR  
10. 148-8336 [1] CONNECTOR AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-8636 [1] CONNECTOR  
11. 148-8338 [1] CONNECTOR AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  8T-0075 [1] CONNECTOR  
12. 148-8374 [1] ELBOW AS  
  3K-0360 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-8723 [1] ELBOW  
13. 150-3033 [1] ELBOW AS  
  3J-1907 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
  8T-0164 [1] ELBOW  
14. 164-5567 [1] COUPLER AS-QUICK DISCONNECT (MALE)  
  6V-3965 [1] FITTING (QUICK DISCONNECT)  
  214-7568 [1] SEAL-O-RING  
15. 164-5624 [1] ELBOW AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8398 [1] SEAL-O-RING  
  9X-2085 [1] ELBOW  
16. 177-2215 [1] STRAP-DUAL CLAMP  
17. 198-4777 [1] WASHER-HARD (11X25X10-MM THK)  
18. 299-2513 [2] BRACKET  
19. 344-5675 M [1] NUT (M10X1.5-THD)  
20. 5P-4116 [12] WASHER-HARD (8.8X20.5X2-MM THK)  
21. 6D-4246 [1] CLIP (LOOP)  
22. 6V-0852 [1] CAP-DUST  
23. 8T-4121 [8] WASHER-HARD (11X21X2.5-MM THK)  
24. 8T-4136 M [3] BOLT (M10X1.5X25-MM)  
25. 8T-4195 M [1] BOLT (M10X1.5X30-MM)  
26. 8T-4196 M [1] BOLT (M10X1.5X35-MM)  
27. 8T-4198 M [2] BOLT (M10X1.5X100-MM)  
28. 8T-7547 M [4] BOLT (M8X1.25X30-MM)  
29. 9M-8406 [1] CLIP (LOOP)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M00873760408
 

459-3821: LINES GP-COUNTERWEIGHT

459-3821 LINES GP-COUNTERWEIGHT
S/N 6P21-UP; S3H1-UP
PART OF 456-9528, 493-5865 HYDRAULIC AR
i07213100 M0087376
4593821 LINES GP-COUNTERWEIGHT Parts scheme
  For full view, you need register

Parts for your PL61 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 118-8985 [4] NUT-CLAMP  
2. 349-8560 [2] CLAMP-SINGLE  
3. 461-1857 [1] TUBE AS  
4. 461-1882 [1] TUBE AS  
5. 148-8360 [1] ELBOW AS  
  6V-9182 [1] ELBOW  
  6V-9746 [1] SEAL-O-RING  
  7M-8485 [1] SEAL-O-RING  
6. 1P-3702 [2] SEAL-RECTANGULAR  
7. 296-5750 [1] CONNECTOR AS  
  6V-9746 [1] SEAL-O-RING  
  7M-8485 [1] SEAL-O-RING  
  109-5821 [1] CONNECTOR  
8. 7X-2534 M [4] BOLT (M6X1X50-MM)  
9. 8T-4121 [8] WASHER-HARD (11X21X2.5-MM THK)  
10. 8T-4182 M [8] BOLT (M10X1.5X45-MM)  
11. 8T-9403 [4] FLANGE-HALF  
  M   METRIC PART
 

#M00873760409
 

482-6541: LINES GP-COUNTERWEIGHT

482-6541 LINES GP-COUNTERWEIGHT
S/N 6P21-UP; S3H1-UP
PART OF 456-9528, 493-5865 HYDRAULIC AR
i07231174 M0087376
4826541 LINES GP-COUNTERWEIGHT Parts scheme
  For full view, you need register

Parts for your PL61 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 203-3847 [1] BRACKET AS  
  171-2419 M [1] STUD-WELD (M10X1.5X35-MM)  
2. 296-6784 Y [1] CYLINDER GP-TILT  
3. 482-6630 I [1] HOSE AS  
4. 482-6631 I [1] HOSE AS  
5. 148-8347 [1] ELBOW AS  
  3D-2824 [1] SEAL-O-RING  
  6V-9007 [1] ELBOW  
  6V-9746 [1] SEAL-O-RING  
6. 1P-3702 [2] SEAL-RECTANGULAR  
7. 200-6345 [1] SADDLE-MOUNTING (DUAL SWIVEL)  
8. 204-2281 [2] STRAP-CABLE  
9. 344-5675 M [1] NUT (M10X1.5-THD)  
10. 4J-0520 [1] SEAL-O-RING  
11. 5P-7468 [1] CLIP (SLOT)  
12. 5P-7469 [1] CLIP (TAB)  
13. 6V-1874 [1] GROMMET (31-MM ID)  
14. 8C-3206 [2] FLANGE-HALF  
15. 8T-4121 [6] WASHER-HARD (11X21X2.5-MM THK)  
16. 8T-4137 M [1] BOLT (M10X1.5X20-MM)  
17. 8T-4196 M [4] BOLT (M10X1.5X35-MM)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

Information:

Systems Operation
General Information (Fan Hydraulic System)
PL61 Pipelayer Systems
Electronic Control (Fan Hydraulic System)
PL61 Pipelayer Systems
Disassembly and Assembly
Pump Drive - Remove and Install
PL61 Pipelayers Engine Supplement

Caterpillar Parts SIS Catalog PL61 :

FLANGE GP
503-1876 FLANGE GP
CYLINDER GP-TILT
296-6784 CYLINDER GP-TILT
COVER GP-LINES
484-5236 COVER GP-LINES
ACCUMULATOR GP-PILOT OIL
230-3489 ACCUMULATOR GP-PILOT OIL
ACCUMULATOR GP-HYDRAULIC
314-3398 ACCUMULATOR GP-HYDRAULIC
ACCUMULATOR GP-HYDRAULIC
297-6401 ACCUMULATOR GP-HYDRAULIC
ACCUMULATOR GP-HYDRAULIC
226-0420 ACCUMULATOR GP-HYDRAULIC
PUMP GP-GEAR
486-2002 PUMP GP-GEAR
HOUSING GP-PUMP
468-9805 HOUSING GP-PUMP
HOUSING GP-PUMP
488-7191 HOUSING GP-PUMP
456-9528 HYDRAULIC AR
493-5865 HYDRAULIC AR
LINES GP-BOOM
459-3826 LINES GP-BOOM
LINES GP-BOOM CONTROL
459-3830 LINES GP-BOOM CONTROL
LINES GP-BOOM CONTROL
497-8936 LINES GP-BOOM CONTROL
LINES GP-COUNTERWEIGHT
459-3821 LINES GP-COUNTERWEIGHT
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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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