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7T-2159 TORQUE CONVERTER GP S/N 8HB1-431 WITH TORQUE DIVIDER PART OF 3T-5832 TORQUE CONVERTER GP 578


POWER TRAIN
TORQUE CONVERTER GP
TRANSMISSION GP
SHAFT GP
VALVE GP-PRESSURE CONTROL
VALVE GP-PRIORITY
VALVE GP-RELIEF
VALVE GP-SELECTOR & PRESS CONT
FRAME AND BODY
BOX GP-BATTERY

PIPELAYER 578 PIPELAYER 8HB
 578 Pipelayer 8HB00001-UP (MACHINE) POWERED BY 3406 Engine SEBP1887 578 8HB   (1989)

POWER TRAIN

TORQUE CONVERTER GP
TORQUE CONVERTER GP
6Y-6929 TORQUE CONVERTER GP
TORQUE CONVERTER GP
6Y-6929 TORQUE CONVERTER GP
TORQUE CONVERTER GP
7T-2159 TORQUE CONVERTER GP
 

#SEBP18870270
 

7T-2159: TORQUE CONVERTER GP

7T-2159 TORQUE CONVERTER GP
S/N 8HB1-431
WITH TORQUE DIVIDER
PART OF 3T-5832 TORQUE CONVERTER GP
i00421127 SEBP1887
7T2159 TORQUE CONVERTER GP Parts scheme
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Parts for your 578 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1T-1789 YC [1] TORQUE CONVERTER GP  
2. 7T-3138 [6] DISC-THRUST  
3. 5P-3930 [3] BEARING AS-ROLLER  
4. 3S-2708 [3] PIN-SPRING  
5. 2K-5986 [2] PIN-SPRING  
6. 3T-4011 [3] SHAFT AS-PLANETARY  
7. 3T-4008 [3] GEAR-PLANETARY (23-TEETH)  
8. 6K-3630 [1] RING  
9. 5P-7679 [1] RACE-SPECIAL ROLLER BEARING  
10. 3T-4013 [1] RETAINER-CARRIER  
11. 6V-4583 [1] RING-RETAINING  
12. 3T-4007 [1] CARRIER-PLANETARY  
13. 9M-2008 [1] RING-METAL SEAL  
14. 3T-4009 [1] GEAR-RING (82-TEETH)(82 TEETH)  
15. 5M-7878 [1] RING-SNAP  
16. 5J-3964 [1] RING-LOCK  
17. 2D-5658 [1] BALL BEARING  
18. 7T-2160 [1] SHAFT AS  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBP18870271
 

8P-8973: TRANSMISSION AR

8P-8973 TRANSMISSION AR
S/N 3NB1-UP
PART OF 9P-7400 POWER TRAIN AR
i00420218 SEBP1887
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Parts for your 578 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  7T-6644 Y [1] CASE & PARTS GP-PLANETARY  
  8P-8975 Y [1] CONTROL GP-TRANSMISSION HYD  
  8P-8974 Y [1] GEAR GP-BEVEL & TRANSFER  
  8P-8976 Y [1] PLANETARY GP-TRANSMISSION  
   
    AVAILABLE GASKET KIT(S):
  8T-7332 [1] KIT-TRANSMISSION GASKET (HYDRAULIC CONTROL)  
  8T-7330 [1] KIT-GASKET (PARTS & CASE)  
  8T-9345 [1] KIT-GASKET (PLANETARY)  
  8T-7336 [1] KIT-GASKET (POWER TRAIN OIL LINES)  
  8C-4461 [1] KIT-GASKET (TORQUE CONVERTER)  
  8T-7333 [1] KIT-GASKET (TRANSMISSION OIL PUMP)  
  5P-9645 [1] KIT-GASKET (TRANSMISSION FILTER)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP18870272
 

7G-1538: UNIVERSAL JOINT GP

7G-1538 UNIVERSAL JOINT GP
S/N 8HB1-UP
PART OF 6T-9948 SHAFT GP-DRIVE
i00393680 SEBP1887
7G1538 UNIVERSAL JOINT GP Parts scheme
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Parts for your 578 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9P-0356 [2] SPIDER & BEARING AS  
2. 0S-0484 [8] BOLT (1/2-20X2.25-IN)  
  5P-7213 [8] WASHER-HARD (13.5X20.5X2-MM THK)  
 

#SEBP18870273
 

3T-9926: VALVE GP-PRESSURE CONTROL

3T-9926 VALVE GP-PRESSURE CONTROL
S/N 9EB1-UP; 1MK1-UP
PART OF 3T-9924 VALVE GP-SELECTOR & PRESS CONT
AN ATTACHMENT
i00370215 SEBP1887
3T9926 VALVE GP-PRESSURE CONTROL Parts scheme
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Parts for your 578 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1A-8312 [1] SPRING-VALVE  
2. 3T-9940 [1] SPOOL  
3. 3T-9944 [1] GUIDE AS  
4. 2F-7760 [1] FLANGE  
5. 0S-1617 [8] BOLT (5/16-18X0.75-IN)  
6. 6T-0025 [1] PISTON  
7. 4J-7386 B [1] SHIM (0.01-IN THK)  
8. 7S-6997 [1] COVER  
9. 6J-2419 C [1] SEAL-O-RING  
10. 7T-4396 [1] SPRING  
11. 3T-9950 [1] PISTON-LOAD  
12. 7T-2628 [1] SPOOL AS  
13. 5S-6876 B [2] SPACER (0.92-MM THK)(1.02MM THK)  
14. 5M-7914 C [3] SPACER (5.56X17.48X0.25-MM THK)  
15. 5S-4462 C [1] SLUG  
16. 6B-0830 [2] COVER  
17. 2L-8202 C [1] SPRING  
18. 5M-2504 [1] SLUG  
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP18870274
 

7T-8557: VALVE GP-PRIORITY

7T-8557 VALVE GP-PRIORITY
S/N 3NB1-UP
PART OF 8P-8975 CONTROL GP-TRANSMISSION HYD
i00424832 SEBP1887
7T8557 VALVE GP-PRIORITY Parts scheme
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Parts for your 578 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2M-7041 [1] SLUG  
2. 0L-1351 [2] BOLT (3/8-16X0.875-IN)  
3. 9S-2792 [1] COVER  
4. 5S-4437 [1] SPOOL AS  
5. 4B-9880 [1] BALL  
6. 3D-8317 [1] RING-RETAINING  
7. 8M-1013 [1] RETAINER  
8. 4M-2381 [1] SPRING  
9. 5M-9624 B [6] SHIM (0.25-MM THK)  
10. 5M-9622 B [1] SHIM (1.6-MM THK)  
11. 5M-9623 B [1] SHIM (0.9-MM THK)  
12. 6T-2307 [1] BODY-VALVE  
13. 4H-4737 [2] PIN-SPRING  
14. 8P-0311 [2] SHAFT  
15. 7T-8556 [1] SPRING  
  B   USE AS REQUIRED
 

#SEBP18870275
 

9W-5596: VALVE GP-RELIEF

9W-5596 VALVE GP-RELIEF
S/N 8HB1-UP
PART OF 9P-8019 LINES GP-POWER TRAIN OIL
i00432709 SEBP1887
9W5596 VALVE GP-RELIEF Parts scheme
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Parts for your 578 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6V-0852 [1] CAP-DUST  
2. 3T-6286 [1] HOUSING AS-RELIEF VALVE  
  7M-1377 [1] STOP-VALVE  
3. 4M-8239 [2] COVER  
4. 7M-1296 [1] VALVE-RELIEF (TORQUE CONVERTER OUTLET)  
5. 5M-9623 B [5] SHIM (0.9-MM THK)  
6. 0S-1594 [4] BOLT (3/8-16X1-IN)  
7. 3B-4506 [4] LOCKWASHER  
8. 7M-1297 [1] SPRING (INNER)  
9. 8T-7181 [2] SEAL-O-RING  
10. 6V-3965 [1] FITTING (QUICK DISCONNECT)  
11. 9W-5595 [1] SPRING (OUTER)  
12. 3J-1907 [1] SEAL-O-RING  
  B   USE AS REQUIRED
 

#SEBP18870276
 

3T-5018: VALVE GP-SELECTOR & PRESS CONT

3T-5018 VALVE GP-SELECTOR & PRESS CONT
S/N 3NB1-UP
PART OF 9P-3773 VALVE GP-WINCH CONTROL
i00368872 SEBP1887
3T5018 VALVE GP-SELECTOR & PRESS CONT Parts scheme 3T5018 VALVE GP-SELECTOR & PRESS CONT Parts scheme
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Parts for your 578 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7G-9569 C [1] BODY AS  
1A. 3T-8269 [1] PLUG-ORIFICE  
2. 7T-3871 C [1] SPOOL-SELECTOR  
3. 6P-4940 [1] STOP  
4. 2S-0696 [2] DOWEL  
5. 9W-5568 C [1] SLUG  
6. 9W-5567 C [1] SPOOL AS-RELIEF  
6A. 3D-8317 [1] RING-RETAINING  
6B. 8M-1013 [1] RETAINER  
6C. 4M-2381 [1] SPRING  
6D. 4B-9880 [1] BALL  
7. 7G-4842 [1] SPRING (OUTER)  
8. 9P-3041 [1] SPRING (INNER)  
9. 6P-4971 [2] STOP  
10. 1J-5353 [2] PIN-SPRING  
11. 8E-8393 [1] PISTON-LOAD  
12. 5M-9622 B [1] SHIM (1.6-MM THK)  
13. 5M-9623 B [1] SHIM (0.9-MM THK)  
14. 5M-9624 B [3] SHIM (0.25-MM THK)  
15. 6F-6673 [2] SEAL-O-RING  
16. 6P-4938 [1] COVER  
17. 3P-8485 [1] RING-RETAINING  
18. 6P-9785 [1] SPRING  
19. 6P-9786 [1] RETAINER  
20. 6Y-2319 [1] SPOOL AS-DIFFERENTIAL  
21. 6P-9784 [1] SPRING  
22. 9P-6219 [1] SPOOL-SELECTOR  
24. 2S-4872 [1] STOP  
25. 3T-4215 [1] SLUG  
26. 3T-3494 [1] SPOOL-RATIO  
27. 8P-6321 [1] DOWEL  
28. 7S-4607 [4] DETENT AS  
29. 1P-8116 [4] SEAL-O-RING  
30. 2H-2995 [1] SETSCREW (10-24X0.438-IN)  
31. 2B-2695 [3] BOLT (5/16-18X0.875-IN)  
32. 238-5508 [1] PLUG AS-ORIFICE  
32A. 8L-2779 [1] SEAL-O-RING  
32B. 215-7183 [1] ORIFICE-SCREEN  
35. 2A-3746 [1] PLUG-CUP  
36. 6P-9783 [1] SPRING  
37. 7G-9476 [1] ORIFICE-PLUG  
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP18870277
 

3T-9924: VALVE GP-SELECTOR & PRESS CONT

3T-9924 VALVE GP-SELECTOR & PRESS CONT
S/N 9EB1-UP; 1MK1-UP
PART OF 3T-9923 CONTROL GP-WINCH
AN ATTACHMENT
i00370211 SEBP1887
3T9924 VALVE GP-SELECTOR & PRESS CONT Parts scheme
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Parts for your 578 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1F-4111 C [6] BOLT (5/16-18X3.5-IN)  
2. 5M-6214 [6] PLUG (1/8-27 PTF)  
3. 3T-9927 Y [1] VALVE GP-SELECTOR & PRESS CONT  
4. 3T-9932 [1] PLATE AS  
  4N-5629 [2] BUSHING  
  9F-2247 [2] PLUG-PIPE  
5. 3T-9926 Y [1] VALVE GP-PRESSURE CONTROL  
6. 9W-0276 [1] SCREEN  
7. 5H-8853 [1] SEAL-O-RING  
8. 8B-4884 [1] ELBOW  
9. 3B-7263 [1] NIPPLE-PIPE  
10. 4B-0831 C [1] BOLT (5/16-18X3.75-IN)  
  9M-1974 C [2] WASHER-HARD (8.8X16X2-MM THK)  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBP18870278
 

3T-9927: VALVE GP-SELECTOR & PRESS CONT

3T-9927 VALVE GP-SELECTOR & PRESS CONT
S/N 9EB1-UP; 1MK1-UP
PART OF 3T-9924 VALVE GP-SELECTOR & PRESS CONT
AN ATTACHMENT
i00370218 SEBP1887
3T9927 VALVE GP-SELECTOR & PRESS CONT Parts scheme
  For full view, you need register

Parts for your 578 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1A-8312 [1] SPRING-VALVE  
2. 3T-9939 [1] SPOOL  
3. 3T-9945 [1] GUIDE AS  
4. 3T-9951 [1] PISTON-LOAD  
5. 8M-4431 [1] SEAL  
6. 7T-7764 [1] COVER  
7. 3T-9952 [1] PLUNGER  
8. 2B-2695 [2] BOLT (5/16-18X0.875-IN)  
9. 3T-9949 [1] SPOOL  
10. 3T-9937 [1] SPOOL-SELECTOR  
11. 5S-9606 [1] SPRING  
12. 9W-4023 [2] RETAINER  
13. 8J-4552 [1] SPRING  
14. 1D-4539 [2] BOLT (5/16-18X2.5-IN)  
15. 0S-1617 [2] BOLT (5/16-18X0.75-IN)  
16. 1T-0738 [1] WASHER (8.4X19X1.83-MM THK)  
17. 6B-0830 [1] COVER  
18. 3T-9953 [1] SLUG-VALVE  
19. 9W-4251 [1] SPOOL  
20. 3G-3916 [1] RING-RETAINING  
 

#SEBP18870279
 

8E-1431: BOX GP-BATTERY

8E-1431 BOX GP-BATTERY
S/N 8HB427-UP
PART OF 9P-7399 CHASSIS AR
i00412032 SEBP1887
8E1431 BOX GP-BATTERY Parts scheme
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Parts for your 578 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8E-1432 [1] COVER AS  
2. 4L-9337 [2] BOLT (3/8-16X1.5-IN)  
3. 8T-4896 [14] WASHER-HARD (10.2X18.5X2.5-MM THK)  
4. 8T-2502 [8] BOLT (3/8-16X1.125-IN)  
5. 6V-8801 [4] NUT (3/8-16-THD)  
6. 4L-6454 [4] BOLT (3/8-16X1-IN)  
7. 8E-1434 [1] SUPPORT AS  
  9F-2978 [1] NUT-WELD (3/8-16-THD)  
 

Information:

Caterpillar Parts SIS Catalog 578 :

TORQUE CONVERTER GP
6Y-6929 TORQUE CONVERTER GP
TORQUE CONVERTER GP
6Y-6929 TORQUE CONVERTER GP
TORQUE CONVERTER GP
3T-5832 TORQUE CONVERTER GP
TORQUE CONVERTER GP
3T-5832 TORQUE CONVERTER GP
TORQUE CONVERTER GP
3T-5832 TORQUE CONVERTER GP
TORQUE CONVERTER GP
1T-1920 TORQUE CONVERTER GP
TORQUE CONVERTER GP
1T-1845 TORQUE CONVERTER GP
TORQUE CONVERTER GP
1T-1789 TORQUE CONVERTER GP
8P-8973 TRANSMISSION AR
UNIVERSAL JOINT GP
7G-1538 UNIVERSAL JOINT GP
VALVE GP-PRESSURE CONTROL
3T-9926 VALVE GP-PRESSURE CONTROL
VALVE GP-PRIORITY
7T-8557 VALVE GP-PRIORITY
VALVE GP-RELIEF
9W-5596 VALVE GP-RELIEF
VALVE GP-SELECTOR & PRESS CONT
3T-5018 VALVE GP-SELECTOR & PRESS CONT
VALVE GP-SELECTOR & PRESS CONT
3T-9924 VALVE GP-SELECTOR & PRESS CONT
VALVE GP-SELECTOR & PRESS CONT
3T-9927 VALVE GP-SELECTOR & PRESS CONT

Truck sale:

1994 CAT 578
USD $150,000 
1994 CAT 578

Whelen Heavy Equipment Ltd.
Hefei, ANHUI, China
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