7T-2768 TRACK GP -2 REQUIRED S/N 8HB1-UP 760MM (30 IN) GROUSER SHOE. SEALED & LUBRICATED-MODERATE SERVICE AN ATTACHMENT 578



UNDERCARRIAGE
TRACK GP
UNDERCARRIAGE GP
STEERING AND BRAKING SYSTEM
CLUTCH & BRAKE GP-STEERING
VALVE GP
HYDRAULIC SYSTEM
ACCUMULATOR GP


UNDERCARRIAGE

TRACK GP
 

#SEBP18870310
 

7T-2768: TRACK GP

7T-2768 TRACK GP -2 REQUIRED
S/N 8HB1-UP
760MM (30 IN) GROUSER SHOE. SEALED & LUBRICATED-MODERATE SERVICE
AN ATTACHMENT
i00524261 SEBP1887
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Parts for your 578 PIPELAYER:

Pos. Part No Qty Parts name Comments
  6Y-1137 Y [1] LINK AS-TRACK  
    -OR-
  8E-4504 Y [1] LINK AS-TRACK  
  6T-6348 [48] SHOE-TRACK  
  6V-1723 [192] BOLT-TRACK (7/8-14X3.42-IN)  
  6T-6349 [1] SHOE-TRACK MASTER  
  7G-6442 [192] NUT-TRACK (7/8-14-THD)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP18870311
 

8E-9395: TRACK GP

8E-9395 TRACK GP -2 REQUIRED
S/N 8HB496-UP
710 MM (28 IN.) GROUSER SHOE. SEALED & LUBRICATED-POSITIVE PIN RETENTION-CLIPPED
PART OF 9P-7401 UNDERCARRIAGE AR
i00417247 SEBP1887
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Parts for your 578 PIPELAYER:

Pos. Part No Qty Parts name Comments
  6V-1724 [2] BOLT-TRACK MASTER (7/8-14X3.78-IN)  
  6V-1725 [2] BOLT-TRACK MASTER (7/8-14X5.08-IN)  
  6V-1723 [192] BOLT-TRACK (7/8-14X3.42-IN)  
  6I-8839 Y [1] LINK AS-TRACK  
  7G-6442 [192] NUT-TRACK (7/8-14-THD)  
  8E-9396 [49] SHOE-TRACK  
  Y   SEPARATE ILLUSTRATION
 

#SEBP18870312
 

8E-9398: TRACK GP

8E-9398 TRACK GP -2 REQUIRED
S/N 8HB1-UP
760 MM (30 IN.) GROUSER SHOE. SEALED & LUBRICATED-POSITIVE PIN RETENTION-MODERATE SERVICE-CLIPPED
AN ATTACHMENT
i00417248 SEBP1887
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Parts for your 578 PIPELAYER:

Pos. Part No Qty Parts name Comments
  6V-1724 [2] BOLT-TRACK MASTER (7/8-14X3.78-IN)  
  6V-1725 [2] BOLT-TRACK MASTER (7/8-14X5.08-IN)  
  6V-1723 [192] BOLT-TRACK (7/8-14X3.42-IN)  
  6I-8839 Y [1] LINK AS-TRACK  
  7G-6442 [192] NUT-TRACK (7/8-14-THD)  
  8E-9399 [49] SHOE-TRACK  
  Y   SEPARATE ILLUSTRATION
 

#SEBP18870313
 

9P-7401: UNDERCARRIAGE AR

9P-7401 UNDERCARRIAGE AR
S/N 8HB1-99999
PART OF 9P-7398 GENERAL AR
i00441223 SEBP1887
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Parts for your 578 PIPELAYER:

Pos. Part No Qty Parts name Comments
  9W-4477 Y [8] CAP GP-TRACK IDLER  
  6T-1142 Y [36] CAP GP-TRACK ROLLER  
  9P-8017 Y [1] FRAME GP-TELESCOPING RECOIL  
  6Y-0557 Y [4] IDLER GP-TRACK  
  9W-8706 Y [8] ROLLER GP-TRACK-DOUBLE FLANGE  
  9W-8705 Y [10] ROLLER GP-TRACK-SINGLE FLANGE  
  9P-8467 Y [1] SUSPENSION GP-BOGIE  
  9P-8462 Y [1] TRACK ADJUSTER & RECOIL GP  
  7T-2767 Y [2] TRACK GP  
    S/N 8HB1-495
  8E-9395 Y [2] TRACK GP  
    S/N 8HB496-99999
  Y   SEPARATE ILLUSTRATION
 

#SEBP18870314
 

6T-1862: CLUTCH & BRAKE GP-STEERING

6T-1862 CLUTCH & BRAKE GP-STEERING
S/N 8HB1-435
PART OF 9P-7400 POWER TRAIN AR
i00402190 SEBP1887
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Parts for your 578 PIPELAYER:

Pos. Part No Qty Parts name Comments
1. 6T-0239 [1] PISTON  
2. 6T-3061 [1] HOUSING-BRAKE  
3. 6T-2974 [1] HOUSING  
4. 6T-3081 [1] HUB-INPUT  
5. 7T-3578 [1] PISTON  
6. 0S-1585 [20] BOLT (1/2-13X1.5-IN)  
7. 5P-8245 [27] WASHER-HARD (13.5X25.5X3-MM THK)  
8. 8D-4771 [1] SEAL-O-RING  
9. 6F-6673 [3] SEAL-O-RING  
10. 9S-8005 [3] PLUG (3/4-16-THD)  
11. 3K-0360 [3] SEAL-O-RING  
12. 3T-3601 [1] RING-SPACER  
13. 7T-5020 [2] SPRING-DISC  
14. 3T-3602 [2] RING-SPACER  
15. 6P-5317 [1] RING-SEAL (EXTERNAL)  
16. 7T-1837 [1] RING-SEAL  
17. 8M-4438 [2] SEAL-O-RING  
18. 4M-5858 [1] BALL BEARING  
19. 6T-0247 [1] PLATE  
20. 1A-2029 [4] BOLT (3/8-16X1.125-IN)  
21. 5M-2894 [10] WASHER-HARD (10.2X18.5X2.5-MM THK)  
22. 6D-9953 [1] PIN-SPRING  
23. 6J-7836 [1] RING-SNAP  
24. 6T-7863 [1] SLEEVE  
25. 6T-7862 [1] SPOOL  
26. 0L-1026 [2] PLUG-CUP  
27. 6T-3080 [10] PLATE-CLUTCH & BRAKE  
28. 6T-0240 [1] RETAINER  
29. 6Y-9373 [12] DISC-FRICTION  
30. 7T-1885 [2] RING  
31. 6T-0257 [1] RING-SEAL  
32. 0L-2070 [4] BOLT (3/8-16X2.25-IN)  
33. 6T-2839 [1] HUB-OUTPUT  
34. 8F-1959 [1] RING-RETAINING  
35. 8S-3517 [1] BALL BEARING  
36. 6T-0244 [1] PLATE  
37. 6T-0252 [1] RING-SEAL  
38. 0S-1571 [2] BOLT (3/8-16X1.75-IN)  
39. 6Y-9468 [1] RETAINER AS  
  6T-0240 [1] RETAINER  
  6V-0709 [1] PLATE-WARNING (RECOIL SPRING)  
  7B-3028 [4] SCREW-DRIVE (NO 4X 3/16-IN)  
40. 6T-0248 [3] RING-SEAL  
41. 5P-5297 [1] RING-RETAINING (EXTERNAL)  
42. 6T-0243 [1] PLATE-THRUST  
43. 4F-2129 [1] BALL BEARING  
44. 7T-2032 [1] RETAINER  
45. 0S-1587 [7] BOLT (1/2-13X1.75-IN)  
 

#SEBP18870315
 

6T-1862: CLUTCH & BRAKE GP-STEERING

6T-1862 CLUTCH & BRAKE GP-STEERING
S/N 8HB436-UP
PART OF 9P-7400 POWER TRAIN AR
i00402193 SEBP1887
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Parts for your 578 PIPELAYER:

Pos. Part No Qty Parts name Comments
1. 9N-4543 C [1] PISTON  
2. 6T-3061 [1] HOUSING-BRAKE  
3. 6T-2974 [1] HOUSING  
4. 6T-3081 [1] HUB-INPUT  
5. 8E-2413 C [1] PISTON  
6. 0S-1585 [20] BOLT (1/2-13X1.5-IN)  
7. 5P-8245 [27] WASHER-HARD (13.5X25.5X3-MM THK)  
8. 8D-4771 [1] SEAL-O-RING  
9. 6F-6673 [3] SEAL-O-RING  
10. 9S-8005 [3] PLUG (3/4-16-THD)  
11. 3K-0360 [3] SEAL-O-RING  
12. 3T-3601 [1] RING-SPACER  
13. 8E-1825 C [2] SPRING-DISC  
14. 3T-3602 [1] RING-SPACER  
15. 6P-5317 [1] RING-SEAL (EXTERNAL)  
16. 8E-1842 C [1] RING-SEAL  
17. 8M-4438 [2] SEAL-O-RING  
18. 4M-5858 [1] BALL BEARING  
19. 6T-0247 [1] PLATE  
20. 1A-2029 [4] BOLT (3/8-16X1.125-IN)  
21. 5M-2894 [10] WASHER-HARD (10.2X18.5X2.5-MM THK)  
22. 6D-9953 [1] PIN-SPRING  
23. 6J-7836 [1] RING-SNAP  
24. 6T-7863 [1] SLEEVE  
25. 6T-7862 [1] SPOOL  
26. 0S-1587 [7] BOLT (1/2-13X1.75-IN)  
27. 6T-3080 [10] PLATE-CLUTCH & BRAKE  
28. 6T-0240 [1] RETAINER  
29. 6Y-9373 [6] DISC-FRICTION  
30. 7T-1885 [2] RING  
31. 6T-0257 [1] RING-SEAL  
32. 0L-2070 [4] BOLT (3/8-16X2.25-IN)  
33. 6T-4051 C [1] HUB AS  
  0L-1026 C [2] PLUG-CUP  
  6T-2839 C [1] HUB-OUTPUT  
34. 8F-1959 [1] RING-RETAINING  
35. 8S-3517 [1] BALL BEARING  
36. 6T-0244 [1] PLATE  
37. 6Y-7793 C [1] RING-SEAL  
38. 0S-1571 [2] BOLT (3/8-16X1.75-IN)  
39. 6Y-9468 [1] RETAINER AS  
  6T-0240 [1] RETAINER  
40. 6T-0248 [3] RING-SEAL  
41. 5P-5297 [1] RING-RETAINING (EXTERNAL)  
42. 6Y-7794 C [1] PLATE-THRUST  
43. 4F-2129 [1] BALL BEARING  
44. 8E-2412 C [1] RETAINER  
45. 6Y-7946 C [6] DISC-FRICTION  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP18870316
 

6T-1170: VALVE GP-STEERING & BRAKE CONT

6T-1170 VALVE GP-STEERING & BRAKE CONT
S/N 8HB1-482
CLUTCH AND BRAKE OIL FLOW
PART OF 7G-1164 CONTROL GP-STEER CLUTCH & BRK
i00401664 SEBP1887
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Parts for your 578 PIPELAYER:

Pos. Part No Qty Parts name Comments
1. 9S-8004 [3] PLUG (9/16-18-THD)  
2. 3J-1907 [7] SEAL-O-RING  
3. 3T-6502 [1] BODY-CLUTCH & BRAKE CONTROL  
4. 9S-8008 [1] PLUG (1-1/16-12-THD)  
  3D-2824 [1] SEAL-O-RING  
5. 6V-3965 [4] FITTING (QUICK DISCONNECT)  
  6V-0852 [4] CAP-DUST  
6. 5P-6944 [2] ADAPTER  
7. 3K-0360 [3] SEAL-O-RING  
8. 3T-6466 [1] GASKET  
9. 0L-1351 [10] BOLT (3/8-16X0.875-IN)  
10. 3T-6465 [1] COVER  
11. 0S-1591 [2] BOLT (3/8-16X1.5-IN)  
  5M-2894 [4] WASHER-HARD (10.2X18.5X2.5-MM THK)  
  1D-4717 [2] NUT (3/8-16-THD)  
12. 7T-7120 [2] PLATE  
  8M-5249 [2] SEAL-O-RING (34.52MM ID)  
  8M-8157 [2] SEAL-O-RING  
13. 9S-8005 [1] PLUG (3/4-16-THD)  
14. 6T-7130 [1] SHAFT  
  2M-2489 [1] SEAL-LIP TYPE  
  2M-1672 [1] BEARING AS-NEEDLE (LARGE)  
  5M-6228 [1] BEARING AS-NEEDLE (SMALL)  
15. 3T-5819 [1] COVER  
  3T-5821 [1] GASKET  
16. 2B-2695 [4] BOLT (5/16-18X0.875-IN)  
17. 7T-1112 [4] SPRING  
18. 5M-3492 B [16] SPACER (3.18X19.05X0.25-MM THK)  
  7M-1397 B [12] SPACER (3.18X19.05X0.9-MM THK)  
  7M-1396 B [8] SPACER (1.6-MM THK)  
19. 7T-1114 [2] SPOOL AS (BRAKE)  
    (EACH INCLUDES)
  7T-1115 [1] SPOOL  
20. 1S-1638 [1] RING-RETAINING  
21. 6T-1310 [1] SEAT  
22. 4M-2381 [1] SPRING  
23. 4B-9880 [1] BALL  
24. 3T-0678 [2] SPRING (OUTER)  
25. 7M-5813 [2] SPRING (INNER)  
26. 3T-0646 [2] PLUNGER  
27. 6T-0442 [2] PLUNGER  
28. 6L-8598 [4] RING-RETAINING  
29. 6T-8248 [4] WASHER  
30. 7T-1542 [2] SPRING (INNER)  
31. 7G-3046 B [16] SHIM (0.25-MM THK)  
  7G-3177 B [8] SHIM (0.8-MM THK)  
  3T-6822 B [10] SPACER (10X17.5X1.8-MM THK)  
32. 7T-1116 [2] SPOOL AS (CLUTCH)  
    (EACH INCLUDES)
  7T-1117 [1] SPOOL  
33. 1S-1638 [1] RING-RETAINING  
34. 6T-1310 [1] SEAT  
35. 4M-2381 [1] SPRING  
36. 4B-9880 [1] BALL  
37. 7T-1111 [4] PLUG  
  7M-8485 [4] SEAL-O-RING  
38. 9G-2068 [2] SPRING (OUTER)  
39. 9H-0223 [4] SEAL-LIP TYPE  
40. 7G-3036 [4] SHAFT  
41. 8B-4132 [8] BEARING AS-NEEDLE  
42. 3B-0623 [2] PLUG-CUP  
43. 5B-5620 [1] BOLT (5/16-18X2.125-IN)  
  6T-0861 [1] RETAINER  
44. 2A-4639 [4] BOLT (3/8-16X1.625-IN)  
45. 5M-2894 [4] WASHER-HARD (10.2X18.5X2.5-MM THK)  
46. 9M-8186 [4] WASHER (0.906X1.75X0.14-IN THK)  
47. 3S-7005 [4] RING-LOCK  
48. 3T-6519 [4] ROLLER  
49. 3P-3547 [4] RING-RETAINING  
50. 1A-9579 [2] BOLT (5/16-18X1.5-IN)  
  1Y-0462 [2] WASHER (0.328X0.81X0.125-IN THK)  
51. 3T-6523 [4] LEVER (CLUTCH & BRAKE)  
52. 3T-6522 [4] PIN  
53. 3T-5681 [1] SEAT  
54. 3K-0360 [1] SEAL-O-RING  
55. 8M-5127 [1] SEAL-O-RING  
56. 1J-8497 [1] VALVE (CHECK)  
57. 4J-6555 [1] SPRING  
58. 6T-7067 [1] SEAT  
59. 6T-7066 [1] VALVE (CHECK)  
60. 3T-6687 [1] LEVER (PARKING BRAKE)  
61. 1T-0414 [1] BOLT-12 POINT HEAD (5/16-18X1-IN)  
  9M-1974 [1] WASHER-HARD (8.8X16X2-MM THK)  
  B   USE AS REQUIRED
 

#SEBP18870317
 

6T-1170: VALVE GP-STEERING & BRAKE CONT

6T-1170 VALVE GP-STEERING & BRAKE CONT
S/N 8HB483-UP
CLUTCH AND BRAKE OIL FLOW
PART OF 7G-1164 CONTROL GP-STEER CLUTCH & BRK
i00401671 SEBP1887
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Parts for your 578 PIPELAYER:

Pos. Part No Qty Parts name Comments
1. 9S-8004 [3] PLUG (9/16-18-THD)  
2. 3J-1907 [7] SEAL-O-RING  
3. 3T-6502 [1] BODY-CLUTCH & BRAKE CONTROL  
4. 9S-8008 [1] PLUG (1-1/16-12-THD)  
  3D-2824 [1] SEAL-O-RING  
5. 6V-3965 [4] FITTING (QUICK DISCONNECT)  
  6V-0852 [4] CAP-DUST  
6. 5P-6944 [2] ADAPTER  
7. 3K-0360 [3] SEAL-O-RING  
8. 3T-6466 [1] GASKET  
9. 5S-7379 [10] BOLT (3/8-16X0.875-IN)  
10. 3T-6465 [1] COVER  
11. 3T-5819 [1] COVER  
  3T-5821 [1] GASKET  
12. 8T-9043 [4] BOLT (5/16-18X0.875-IN)  
13. 9S-8005 [1] PLUG (3/4-16-THD)  
14. 6T-7130 [1] SHAFT  
  2M-2489 [1] SEAL-LIP TYPE  
  2M-1672 [1] BEARING AS-NEEDLE (LARGE)  
  5M-6228 [1] BEARING AS-NEEDLE (SMALL)  
15. 7T-1112 [4] SPRING  
16. 9G-2068 [2] SPRING  
17. 7T-1114 [2] SPOOL AS (BRAKE)  
    (EACH INCLUDES)
  7T-1115 [1] SPOOL  
18. 1S-1638 [1] RING-RETAINING  
19. 6T-1310 [1] SEAT  
20. 4M-2381 [1] SPRING  
21. 4B-9880 [1] BALL  
22. 3T-0678 [2] SPRING (OUTER)  
23. 7M-5813 [2] SPRING (INNER)  
24. 3T-0646 [2] PLUNGER  
25. 6T-0442 [2] PLUNGER  
26. 6L-8598 [4] RING-RETAINING  
27. 6T-8248 [4] WASHER  
28. 7T-1542 [2] SPRING (INNER)  
29. 7G-3046 B [16] SHIM (0.25-MM THK)  
  7G-3177 B [8] SHIM (0.8-MM THK)  
  3T-6822 B [10] SPACER (10X17.5X1.8-MM THK)(1.8MM THK)  
30. 7T-1116 [2] SPOOL AS (CLUTCH)  
    (EACH INCLUDES)
  7T-1117 [1] SPOOL  
31. 1S-1638 [1] RING-RETAINING  
32. 6T-1310 [1] SEAT  
33. 4M-2381 [1] SPRING  
34. 4B-9880 [1] BALL  
35. 6I-9417 C [4] PLUG AS  
    (EACH INCLUDES)
  7M-8485 [4] SEAL-O-RING  
  3J-1907 C [4] SEAL-O-RING  
  8E-8853 C [4] NUT  
36. 8E-8854 [4] SPACER (21.25X3.55-MM THK)  
37. 9H-0223 [4] SEAL-LIP TYPE  
38. 7G-3036 [4] SHAFT  
39. 8B-4132 [8] BEARING AS-NEEDLE  
40. 3B-0623 [2] PLUG-CUP  
41. 5B-5620 [1] BOLT (5/16-18X2.125-IN)  
  6T-0861 [1] RETAINER  
42. 7X-0288 [4] BOLT (3/8-16X1.625-IN)  
43. 8T-4896 [8] WASHER-HARD (10.2X18.5X2.5-MM THK)  
44. 9M-8186 [4] WASHER (0.906X1.75X0.14-IN THK)  
45. 3S-7005 [4] RING-LOCK  
46. 3T-6519 [4] ROLLER  
47. 3P-3547 [4] RING-RETAINING  
48. 8C-3121 [2] BOLT (5/16-18X1.5-IN)  
  1Y-0462 [2] WASHER (0.328X0.81X0.125-IN THK)  
49. 3T-6523 [4] LEVER (CLUTCH & BRAKE)  
50. 3T-6522 [4] PIN  
51. 3T-5681 [1] SEAT  
52. 3K-0360 [1] SEAL-O-RING  
53. 8M-5127 [1] SEAL-O-RING  
54. 1J-8497 [1] VALVE (CHECK)  
55. 4J-6555 [1] SPRING  
56. 6T-7067 [1] SEAT  
57. 6T-7066 [1] VALVE (CHECK)  
58. 3T-6687 [1] LEVER (PARKING BRAKE)  
59. 1T-0414 [1] BOLT-12 POINT HEAD (5/16-18X1-IN)  
  8T-4224 [1] WASHER-HARD (8.8X16X2-MM THK)  
60. 4L-9337 [2] BOLT (3/8-16X1.5-IN)  
  6V-8801 [2] NUT (3/8-16-THD)  
61. 7T-7120 [2] PLATE  
  8M-5249 [2] SEAL-O-RING (34.52MM ID)  
  8M-8157 [2] SEAL-O-RING  
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP18870318
 

6T-1840: ACCUMULATOR GP

6T-1840 ACCUMULATOR GP
S/N 9CA1-UP
PART OF 9P-7433 WINCH AR-PIPELAYER
i00402186 SEBP1887
  For full view, you need register

Parts for your 578 PIPELAYER:

Pos. Part No Qty Parts name Comments
1. 6Y-1070 [1] RING  
2. 6Y-1068 [1] CLAMP AS-U-BOLT  
3. 9T-1117 [1] ACCUMULATOR AS  
  5P-3779 [1] TAG-NOTICE (SHIPPING INSTRUCTIONS)  
4. 6Y-1069 [1] BRACKET  
 

#SEBP18870319
 

9T-1404: ACCUMULATOR GP

9T-1404 ACCUMULATOR GP
S/N 8HB1-9999
PART OF 7G-0132 VALVE & LINES GP
i00454024 SEBP1887
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Parts for your 578 PIPELAYER:

Pos. Part No Qty Parts name Comments
1. 8T-6376 [1] PLATE-INSTRUCTION (HYDRAULIC ACCUMULATOR)  
2. 9J-9870 [6] RETAINER  
3. 9J-9871 [2] RING-RETAINING  
4. 9T-2238 [1] VALVE AS  
  175-3185 [1] CORE-VALVE  
5. 6J-0368 [1] CAP  
6. 5M-6708 [1] WASHER (0.609X1.25X0.219-IN THK)  
7. 2K-6830 [2] RING-BACKUP  
  1H-8128 [2] SEAL-O-RING  
8. 9J-9867 [1] HEAD  
9. 9J-9869 [1] PISTON  
10. 9J-9872 [1] SEAL AS  
11. 5J-7154 [1] RING-WEAR  
12. 9J-9868 [1] HEAD  
13. 7J-5311 [1] PLATE-WARNING (HIGH PRESSURE CYLINDER)  
 

Information:

Tool Operating Manual
Idler/Roller Assembly Machine{0374, 0599, 0729, 4159, 4180}
Idler/Roller Assembly Machine{0374, 0599, 0729, 4159, 4180}
168-7720 Ultrasonic Wear Indicator III Group{0374, 0599, 0729, 0787}
168-7720 Ultrasonic Wear Indicator III Group{0374, 0599, 0729, 0787}

Caterpillar Parts SIS Catalog 578 :

Truck sale:

USD $150,000 
1994 CAT 578

Whelen Heavy Equipment Ltd.
Hefei, ANHUI, China