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1U-1785 VALVE GP-RELIEF S/N 8HB1-UP PART OF 3G-6880 VALVE GP-CONTROL 578 PIPELAYER


HYDRAULIC SYSTEM
VALVE GP-RELIEF
VALVE GP-SHUTTLE
OPERATOR STATION
SEAT GP
CONTROL GP-HYDRAULIC
CONTROL GP-HYDRAULIC LOCKOUT

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

HYDRAULIC SYSTEM

VALVE GP-RELIEF
VALVE GP-RELIEF
1U-1784 VALVE GP-RELIEF
VALVE GP-RELIEF
1U-1785 VALVE GP-RELIEF
VALVE GP-RELIEF
1U-1786 VALVE GP-RELIEF
VALVE GP-RELIEF
3G-9895 VALVE GP-RELIEF
 

#SEBP18870340
 

1U-1785: VALVE GP-RELIEF

1U-1785 VALVE GP-RELIEF
S/N 8HB1-UP
PART OF 3G-6880 VALVE GP-CONTROL
i00353853 SEBP1887
1U1785 VALVE GP-RELIEF Parts scheme
  For full view, you need register

Parts for your 578 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6V-1941 [1] RING-BACKUP  
2. 5P-8066 [1] SEAL-O-RING  
3. 3G-3726 [1] NUT (3/8-40-THD)  
4. 3G-3854 [1] CAP  
5. 3G-3857 [2] GASKET  
6. 5P-7530 [1] SEAL-O-RING  
 

#SEBP18870341
 

1U-1786: VALVE GP-RELIEF

1U-1786 VALVE GP-RELIEF
S/N 8HB1-UP
PART OF 3G-6880 VALVE GP-CONTROL
i00353855 SEBP1887
1U1786 VALVE GP-RELIEF Parts scheme
  For full view, you need register

Parts for your 578 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6V-1941 [1] RING-BACKUP  
2. 5P-8066 [1] SEAL-O-RING  
3. 3G-3726 [1] NUT (3/8-40-THD)  
4. 3G-3854 [1] CAP  
5. 3G-3857 [2] GASKET  
6. 5P-7530 [1] SEAL-O-RING  
 

#SEBP18870342
 

3G-9895: VALVE GP-RELIEF

3G-9895 VALVE GP-RELIEF
S/N 8HB1-UP
BREAKER
PART OF 7G-0133 VALVE & LINES GP
i00365838 SEBP1887
3G9895 VALVE GP-RELIEF Parts scheme
  For full view, you need register

Parts for your 578 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2S-4663 [2] SEAL-O-RING  
2. 5P-8132 [1] RING-RETAINING  
   
    AVAILABLE REPAIR KIT(S):
  1U-0367 [1] KIT-SEAL (BREAKER RELIEF VALVE)  
    (INCLUDES SEAL-POPPET, SEAL-SLEEVE, LOCKRING & 2 SEAL-FILTERS)
 

#SEBP18870343
 

4T-4073: VALVE GP-SHUTTLE

4T-4073 VALVE GP-SHUTTLE
S/N 8HB1-UP
PART OF 9T-5767 VALVE GP-WINCH CONTROL
i00376546 SEBP1887
4T4073 VALVE GP-SHUTTLE Parts scheme
  For full view, you need register

Parts for your 578 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 033-6039 [1] SEAL-O-RING  
2. 8L-2777 [1] SEAL-O-RING  
3. 6E-0382 [2] RING-BACKUP  
4. 6E-0381 [2] RING-BACKUP  
 

#SEBP18870344
 

6W-8505: ADJUSTER GP-SEAT

6W-8505 ADJUSTER GP-SEAT
S/N 8HB1-UP
PART OF 6W-8502 SUSPENSION GP-SEAT
i00091596 SEBP1887
6W8505 ADJUSTER GP-SEAT Parts scheme
  For full view, you need register

Parts for your 578 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8V-4881 [4] ROLLER  
2. 4V-7860 [1] LEVER  
3. 6W-8506 [1] HOUSING AS (LOWER)  
4. 4V-7850 [1] PLATE-SLIDE TRACK  
5. 4V-7855 [1] LATCH AS  
6. 4V-7881 [1] ROD-LATCH  
7. 4V-8256 [2] SPRING  
8. 013-8289 [1] BOLT (1/2-13X0.75-IN)  
9. 4V-7859 [1] ROD-LATCH  
10. 4V-7857 [1] LATCH AS  
11. 5V-1497 [7] RETAINER  
12. 1B-6182 [1] SPACER (13.11X19.05X1.18-MM THK)  
13. 4V-7865 [1] CAP  
 

#SEBP18870345
 

6T-9924: CONTROL GP-HYDRAULIC

6T-9924 CONTROL GP-HYDRAULIC
S/N 8HB1-UP
PART OF 9P-7402 HYDRAULIC AR
i00407016 SEBP1887
6T9924 CONTROL GP-HYDRAULIC Parts scheme 6T9924 CONTROL GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 578 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6V-8183 [3] NUT-FULL (3/8-24-THD)  
2. 4L-6454 [4] BOLT (3/8-16X1-IN)  
  8T-4896 [4] WASHER-HARD (10.2X18.5X2.5-MM THK)  
3. 7X-2896 [2] ROD END  
4. 2L-6267 [1] LOCKNUT (3/8-24-THD)  
5. 7D-5743 [1] ROD-CONTROL  
6. 7T-1723 [1] LEVER AS  
7. 5S-7382 [2] BOLT (3/8-16X1.375-IN)  
8. 1B-8706 [2] KEY-WOODRUFF  
9. 7T-1733 [1] LEVER AS  
10. 6D-3787 [4] BEARING-ROLLER  
11. 1L-3047 [2] WASHER (20.6X38.1X1.6-MM THK)  
12. 7T-1736 [1] SHAFT  
13. 7T-1738 [1] PLATE AS  
14. 9G-8503 [1] SHAFT  
15. 7T-5970 [1] LEVER AS  
16. 2L-1699 [1] PIN-SPRING  
17. 9G-8781 [4] WASHER (2-MM THK)  
18. 7X-7477 [1] BOLT (3/8-24X1.75-IN)  
19. 054-4984 [1] SPACER (10X15X8.5-MM THK)  
20. 8T-6393 [1] ROD END  
21. 6V-8183 [3] NUT-FULL (3/8-24-THD)  
22. 4B-1281 [4] SCREW-MACHINE (1/4-20X0.625-IN)  
23. 7T-1742 [1] GUIDE  
24. 2A-1736 [1] HANDLE  
25. 7T-1721 [1] PLATE AS  
26. 4L-6454 [7] BOLT (3/8-16X1-IN)  
  8T-4896 [7] WASHER-HARD (10.2X18.5X2.5-MM THK)  
27. 7T-1732 [1] ROD  
28. 7X-2896 [3] ROD END  
29. 2L-6267 [5] LOCKNUT (3/8-24-THD)  
30. 7T-1723 [2] LEVER AS  
31. 5S-7382 [2] BOLT (3/8-16X1.375-IN)  
32. 1B-8706 [2] KEY-WOODRUFF  
33. 1L-3047 [2] WASHER (20.6X38.1X1.6-MM THK)  
34. 8D-8069 [1] ROD  
35. 9W-0474 [1] SHAFT  
36. 2P-9858 [2] BEARING-ROLLER  
37. 7T-1727 [1] PLATE AS  
 

#SEBP18870346
 

6T-9925: CONTROL GP-HYDRAULIC

6T-9925 CONTROL GP-HYDRAULIC
S/N 8HB1-440
HOOK
PART OF 9P-7402 HYDRAULIC AR
i00407017 SEBP1887
6T9925 CONTROL GP-HYDRAULIC Parts scheme 6T9925 CONTROL GP-HYDRAULIC Parts scheme 6T9925 CONTROL GP-HYDRAULIC Parts scheme 6T9925 CONTROL GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 578 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4B-1281 [4] SCREW-MACHINE (1/4-20X0.625-IN)  
2. 6T-1865 [1] GUIDE  
3. 7T-6444 [1] ROD  
4. 3K-1031 [1] ROD-CONTROL  
5. 6V-8183 [9] NUT-FULL (3/8-24-THD)  
6. 5J-5315 [2] ROD END  
7. 2L-6267 [1] LOCKNUT (3/8-24-THD)  
8. 4L-6459 [2] BOLT (3/8-16X2.5-IN)  
  054-4984 [4] SPACER (10X15X8.5-MM THK)  
9. 2K-4973 [5] LOCKNUT (3/8-16-THD)  
10. 4D-4064 [4] ROD END (3/8-24-THD)  
11. 4D-5134 [1] ROD-CONTROL  
12. 7T-6443 [1] ROD  
13. 7T-6447 [1] TUBE  
14. 5S-7379 [4] BOLT (3/8-16X0.875-IN)  
15. 8T-4896 [7] WASHER-HARD (10.2X18.5X2.5-MM THK)  
16. 7T-6448 [1] SUPPORT AS  
17. 6D-3787 [6] BEARING-ROLLER  
18. 1L-3047 [5] WASHER (20.6X38.1X1.6-MM THK)  
19. 4L-9337 [4] BOLT (3/8-16X1.5-IN)  
20. 6V-8801 [1] NUT (3/8-16-THD)  
21. 7T-6450 [1] SHAFT  
22. 7T-6453 [1] LEVER AS  
23. 5H-6799 [1] LEVER-GOVERNOR CONTROL  
24. 1B-8706 [2] KEY-WOODRUFF  
25. 7T-1723 [1] LEVER AS  
26. 5S-7382 [1] BOLT (3/8-16X1.375-IN)  
27. 9G-8503 [1] SHAFT  
28. 9G-8781 [4] WASHER (2-MM THK)  
29. 2L-1699 [1] PIN-SPRING  
30. 9G-8500 [1] BELLCRANK AS  
31. 5S-7383 [1] BOLT (3/8-16X1.75-IN)  
  7X-0503 [1] WASHER-HARD (10.2X28.5X5-MM THK)  
32. 7P-4190 [1] BEARING-ROLLER  
  6P-3343 [1] SLEEVE  
33. 6T-9291 [1] LEVER AS  
34. 2A-1736 [1] HANDLE  
35. 6T-1334 [1] BRACKET AS  
36. 4L-6454 [7] BOLT (3/8-16X1-IN)  
37. 8T-4896 [7] WASHER-HARD (10.2X18.5X2.5-MM THK)  
38. 4D-9588 [2] ROD-CONTROL  
39. 6V-8183 [4] NUT-FULL (3/8-24-THD)  
40. 7T-6452 [1] PLATE AS  
41. 7T-6454 [1] BELLCRANK AS  
42. 5J-5315 [4] ROD END  
43. 2L-6267 [3] LOCKNUT (3/8-24-THD)  
44. 8G-0991 [1] LEVER  
45. 4L-9337 [2] BOLT (3/8-16X1.5-IN)  
46. 6V-8801 [2] NUT (3/8-16-THD)  
47. 5H-6799 [1] LEVER-GOVERNOR CONTROL  
48. 1B-8706 [2] KEY-WOODRUFF  
49. 7T-6449 [1] PLATE AS  
50. 7T-1726 [1] SHAFT  
51. 2P-9858 [2] BEARING-ROLLER  
52. 1L-3047 [2] WASHER (20.6X38.1X1.6-MM THK)  
53. 4D-4064 [2] ROD END (3/8-24-THD)  
54. 054-4984 [2] SPACER (10X15X8.5-MM THK)  
55. 8T-9375 [2] BOLT (3/8-16X1.75-IN)  
56. 2K-4973 [2] LOCKNUT (3/8-16-THD)  
57. 7T-6732 [2] KEEPER  
58. 8T-2501 [1] BOLT (3/8-16X2-IN)  
59. 1B-8705 [1] KEY-WOODRUFF  
60. 7T-6442 [1] LEVER AS  
  2N-6272 [1] DOWEL  
61. 7T-6441 [1] LEVER AS  
  2N-6272 [1] DOWEL  
62. 9B-7237 [3] BOLT (3/8-16X1.25-IN)  
63. 1B-8704 [1] KEY-WOODRUFF  
64. 7X-0292 [3] BOLT (3/8-16X4.5-IN)  
65. 8T-4896 [7] WASHER-HARD (10.2X18.5X2.5-MM THK)  
66. 7T-6736 [1] COVER  
67. 7T-6737 [1] HOUSING  
68. 9S-8006 [2] PLUG (7/8-14-THD)  
  2M-9780 [2] SEAL-O-RING  
69. 7X-0299 [2] BOLT (3/8-16-THD)  
70. 7T-6733 [1] GASKET  
71. 8D-8065 [2] ROD  
72. 6V-8183 [5] NUT-FULL (3/8-24-THD)  
73. 2L-6267 [1] LOCKNUT (3/8-24-THD)  
74. 5J-5315 [1] ROD END  
75. 4D-4064 [4] ROD END (3/8-24-THD)  
76. 7K-2135 [2] BEARING-ROLLER  
77. 7T-6446 [1] LEVER AS  
78. 2K-4973 [2] LOCKNUT (3/8-16-THD)  
79. 7T-6445 [1] LEVER AS  
80. 9S-9302 [2] BEARING-ROLLER  
81. 6J-2419 [2] SEAL-O-RING  
82. 8T-4896 [2] WASHER-HARD (10.2X18.5X2.5-MM THK)  
83. 4L-9337 [2] BOLT (3/8-16X1.5-IN)  
84. 2K-4973 [3] LOCKNUT (3/8-16-THD)  
85. 4D-4064 [4] ROD END (3/8-24-THD)  
86. 6V-8183 [6] NUT-FULL (3/8-24-THD)  
87. 5D-1185 [1] ROD-CONTROL  
88. 7T-6455 [1] BELLCRANK AS  
89. 7P-4190 [3] BEARING-ROLLER  
90. 6P-3343 [3] SLEEVE  
91. 5S-7383 [3] BOLT (3/8-16X1.75-IN)  
92. 9G-8790 [1] ROD  
93. 7T-6434 [2] LEVER AS  
94. 7T-6454 [1] BELLCRANK AS  
95. 5J-5315 [1] ROD END  
96. 2L-6267 [1] LOCKNUT (3/8-24-THD)  
97. 8D-8067 [1] ROD  
98. 2K-0564 [1] LOCKNUT (1/2-20-THD)  
99. 7F-0502 [1] WASHER (13.5X31.8X3-MM THK)  
100. 9G-8781 [4] WASHER (2-MM THK)  
101. 6D-3787 [2] BEARING-ROLLER  
102. 8T-9375 [1] BOLT (3/8-16X1.75-IN)  
  6V-8801 [1] NUT (3/8-16-THD)  
103. 2P-9858 [2] BEARING-ROLLER  
104. 7P-3420 [1] SHAFT  
105. 4L-6459 [1] BOLT (3/8-16X2.5-IN)  
106. 7X-0503 [4] WASHER-HARD (10.2X28.5X5-MM THK)  
 

#SEBP18870347
 

6T-9925: CONTROL GP-HYDRAULIC

6T-9925 CONTROL GP-HYDRAULIC
S/N 8HB441-505
HOOK
PART OF 9P-7402 HYDRAULIC AR
i00407018 SEBP1887
6T9925 CONTROL GP-HYDRAULIC Parts scheme 6T9925 CONTROL GP-HYDRAULIC Parts scheme 6T9925 CONTROL GP-HYDRAULIC Parts scheme 6T9925 CONTROL GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 578 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4B-1281 [4] SCREW-MACHINE (1/4-20X0.625-IN)  
2. 6T-1865 [1] GUIDE  
3. 7T-6444 [1] ROD  
4. 3K-1031 [1] ROD-CONTROL  
5. 6V-8183 [9] NUT-FULL (3/8-24-THD)  
6. 7X-2896 C [2] ROD END  
7. 2L-6267 [1] LOCKNUT (3/8-24-THD)  
8. 4L-6459 C [3] BOLT (3/8-16X2.5-IN)  
  054-4984 [4] SPACER (10X15X8.5-MM THK)  
9. 2K-4973 [5] LOCKNUT (3/8-16-THD)  
10. 8T-6393 C [4] ROD END  
11. 4D-5134 [1] ROD-CONTROL  
12. 7T-6443 [1] ROD  
13. 7T-6447 [1] TUBE  
14. 5S-7379 [4] BOLT (3/8-16X0.875-IN)  
15. 8T-4896 [7] WASHER-HARD (10.2X18.5X2.5-MM THK)  
16. 7T-6448 [1] SUPPORT AS  
17. 6D-3787 [6] BEARING-ROLLER  
18. 1L-3047 [5] WASHER (20.6X38.1X1.6-MM THK)  
19. 4L-9337 [4] BOLT (3/8-16X1.5-IN)  
20. 6V-8801 [1] NUT (3/8-16-THD)  
21. 7T-6450 [1] SHAFT  
22. 7T-6453 [1] LEVER AS  
23. 5H-6799 [1] LEVER-GOVERNOR CONTROL  
24. 1B-8706 [2] KEY-WOODRUFF  
25. 7T-1723 [1] LEVER AS  
26. 5S-7382 [1] BOLT (3/8-16X1.375-IN)  
27. 9G-8503 [1] SHAFT  
28. 9G-8781 [4] WASHER (2-MM THK)  
29. 2L-1699 [1] PIN-SPRING  
30. 9G-8500 [1] BELLCRANK AS  
31. 7X-0503 [1] WASHER-HARD (10.2X28.5X5-MM THK)  
32. 2P-9858 C [2] BEARING-ROLLER  
  7P-3420 C [1] SHAFT  
33. 6T-9291 [1] LEVER AS  
34. 2A-1736 [1] HANDLE  
35. 6T-1334 [1] BRACKET AS  
36. 4L-6454 [7] BOLT (3/8-16X1-IN)  
37. 8T-4896 [7] WASHER-HARD (10.2X18.5X2.5-MM THK)  
38. 4D-9588 [2] ROD-CONTROL  
39. 6V-8183 [4] NUT-FULL (3/8-24-THD)  
40. 7T-6452 [1] PLATE AS  
41. 8E-6343 C [1] BELLCRANK AS  
42. 7X-2896 C [4] ROD END  
43. 2L-6267 [3] LOCKNUT (3/8-24-THD)  
44. 8G-0991 [1] LEVER  
45. 4L-9337 [2] BOLT (3/8-16X1.5-IN)  
46. 6V-8801 [2] NUT (3/8-16-THD)  
47. 5H-6799 [1] LEVER-GOVERNOR CONTROL  
48. 1B-8706 [2] KEY-WOODRUFF  
49. 7T-6449 [1] PLATE AS  
50. 7T-1726 [1] SHAFT  
51. 2P-9858 [2] BEARING-ROLLER  
52. 1L-3047 [2] WASHER (20.6X38.1X1.6-MM THK)  
53. 8T-6393 C [2] ROD END  
54. 054-4984 [2] SPACER (10X15X8.5-MM THK)  
55. 8T-9375 [2] BOLT (3/8-16X1.75-IN)  
56. 2K-4973 [2] LOCKNUT (3/8-16-THD)  
57. 7T-6732 [2] KEEPER  
58. 8T-2501 [1] BOLT (3/8-16X2-IN)  
59. 1B-8705 [1] KEY-WOODRUFF  
60. 7T-6442 [1] LEVER AS  
  2N-6272 [1] DOWEL  
61. 7T-6441 [1] LEVER AS  
  2N-6272 [1] DOWEL  
62. 9B-7237 [3] BOLT (3/8-16X1.25-IN)  
63. 1B-8704 [1] KEY-WOODRUFF  
64. 7X-0292 [3] BOLT (3/8-16X4.5-IN)  
65. 8T-4896 [7] WASHER-HARD (10.2X18.5X2.5-MM THK)  
66. 7T-6736 [1] COVER  
67. 7T-6737 [1] HOUSING  
68. 9S-8006 [2] PLUG (7/8-14-THD)  
  2M-9780 [2] SEAL-O-RING  
69. 7X-0299 [2] BOLT (3/8-16-THD)  
70. 7T-6733 [1] GASKET  
71. 8D-8065 [2] ROD  
72. 6V-8183 [5] NUT-FULL (3/8-24-THD)  
73. 2L-6267 [1] LOCKNUT (3/8-24-THD)  
74. 7X-2896 C [1] ROD END  
75. 8T-6393 C [4] ROD END  
76. 7K-2135 [2] BEARING-ROLLER  
77. 7T-6446 [1] LEVER AS  
78. 2K-4973 [2] LOCKNUT (3/8-16-THD)  
79. 7T-6445 [1] LEVER AS  
80. 9S-9302 [2] BEARING-ROLLER  
81. 6J-2419 [2] SEAL-O-RING  
82. 8T-4896 [2] WASHER-HARD (10.2X18.5X2.5-MM THK)  
83. 4L-9337 [2] BOLT (3/8-16X1.5-IN)  
84. 2K-4973 [3] LOCKNUT (3/8-16-THD)  
85. 8T-6393 C [4] ROD END  
86. 6V-8183 [6] NUT-FULL (3/8-24-THD)  
87. 5D-1185 [1] ROD-CONTROL  
88. 7T-6455 [1] BELLCRANK AS  
89. 2P-9858 C [6] BEARING-ROLLER  
90. 7P-3420 C [4] SHAFT  
91. 4L-6459 C [4] BOLT (3/8-16X2.5-IN)  
  7X-0503 [4] WASHER-HARD (10.2X28.5X5-MM THK)  
92. 9G-8790 [1] ROD  
93. 8E-6344 C [2] LEVER AS  
94. 8E-6343 C [1] BELLCRANK AS  
95. 7X-2896 C [1] ROD END  
96. 2L-6267 [1] LOCKNUT (3/8-24-THD)  
97. 8D-8067 [1] ROD  
98. 2K-0564 [1] LOCKNUT (1/2-20-THD)  
99. 7F-0502 [1] WASHER (13.5X31.8X3-MM THK)  
100. 9G-8781 [4] WASHER (2-MM THK)  
101. 6D-3787 [2] BEARING-ROLLER  
102. 8T-9375 [1] BOLT (3/8-16X1.75-IN)  
  6V-8801 [1] NUT (3/8-16-THD)  
103. 2P-9858 [2] BEARING-ROLLER  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP18870348
 

6T-9925: CONTROL GP-HYDRAULIC

6T-9925 CONTROL GP-HYDRAULIC
S/N 8HB506-UP
HOOK
PART OF 9P-7402 HYDRAULIC AR
i00407019 SEBP1887
6T9925 CONTROL GP-HYDRAULIC Parts scheme 6T9925 CONTROL GP-HYDRAULIC Parts scheme 6T9925 CONTROL GP-HYDRAULIC Parts scheme 6T9925 CONTROL GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 578 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4B-1281 [4] SCREW-MACHINE (1/4-20X0.625-IN)  
2. 6T-1865 [1] GUIDE  
3. 7T-6444 [1] ROD  
4. 3K-1031 [1] ROD-CONTROL  
5. 6V-8183 [9] NUT-FULL (3/8-24-THD)  
6. 7X-2896 [2] ROD END  
7. 2L-6267 [1] LOCKNUT (3/8-24-THD)  
8. 4L-6459 [3] BOLT (3/8-16X2.5-IN)  
  054-4984 [4] SPACER (10X15X8.5-MM THK)  
9. 2K-4973 [5] LOCKNUT (3/8-16-THD)  
10. 8T-6393 [4] ROD END  
11. 4D-5134 [1] ROD-CONTROL  
12. 7T-6443 [1] ROD  
13. 7T-6447 [1] TUBE  
14. 5S-7379 [4] BOLT (3/8-16X0.875-IN)  
15. 8T-4896 [7] WASHER-HARD (10.2X18.5X2.5-MM THK)  
16. 7T-6448 [1] SUPPORT AS  
17. 6D-3787 [6] BEARING-ROLLER  
18. 1L-3047 [5] WASHER (20.6X38.1X1.6-MM THK)  
19. 4L-9337 [4] BOLT (3/8-16X1.5-IN)  
20. 6V-8801 [1] NUT (3/8-16-THD)  
21. 7T-6450 [1] SHAFT  
22. 7T-6453 [1] LEVER AS  
23. 5H-6799 [1] LEVER-GOVERNOR CONTROL  
24. 1B-8706 [2] KEY-WOODRUFF  
25. 7T-1723 [1] LEVER AS  
26. 5S-7382 [1] BOLT (3/8-16X1.375-IN)  
27. 9G-8503 [1] SHAFT  
28. 9G-8781 [4] WASHER (2-MM THK)  
29. 2L-1699 [1] PIN-SPRING  
30. 9G-8500 [1] BELLCRANK AS  
31. 7X-0503 [1] WASHER-HARD (10.2X28.5X5-MM THK)  
32. 2P-9858 [2] BEARING-ROLLER  
  7P-3420 [1] SHAFT  
33. 6T-9291 [1] LEVER AS  
34. 2A-1736 [1] HANDLE  
35. 6T-1334 [1] BRACKET AS  
36. 4L-6454 [7] BOLT (3/8-16X1-IN)  
37. 8T-4896 [7] WASHER-HARD (10.2X18.5X2.5-MM THK)  
38. 4D-9588 [2] ROD-CONTROL  
39. 6V-8183 [4] NUT-FULL (3/8-24-THD)  
40. 7T-6452 [1] PLATE AS  
41. 8E-6343 [1] BELLCRANK AS  
42. 7X-2896 [4] ROD END  
43. 2L-6267 [3] LOCKNUT (3/8-24-THD)  
44. 8G-0991 [1] LEVER  
45. 4L-9337 [2] BOLT (3/8-16X1.5-IN)  
46. 6V-8801 [2] NUT (3/8-16-THD)  
47. 5H-6799 [1] LEVER-GOVERNOR CONTROL  
48. 1B-8706 [2] KEY-WOODRUFF  
49. 7T-6449 [1] PLATE AS  
50. 7T-1726 [1] SHAFT  
51. 2P-9858 [2] BEARING-ROLLER  
52. 1L-3047 [2] WASHER (20.6X38.1X1.6-MM THK)  
53. 8T-6393 [2] ROD END  
54. 054-4984 [2] SPACER (10X15X8.5-MM THK)  
55. 8T-9375 [2] BOLT (3/8-16X1.75-IN)  
56. 2K-4973 [2] LOCKNUT (3/8-16-THD)  
57. 9B-7237 C [1] BOLT (3/8-16X1.25-IN)  
58. 8T-4896 C [2] WASHER-HARD (10.2X18.5X2.5-MM THK)  
59. 4L-6454 C [1] BOLT (3/8-16X1-IN)  
60. 2K-4973 C [1] LOCKNUT (3/8-16-THD)  
61. 8D-8065 [2] ROD  
62. 6V-8183 [5] NUT-FULL (3/8-24-THD)  
63. 2L-6267 [1] LOCKNUT (3/8-24-THD)  
64. 7X-2896 [1] ROD END  
65. 8T-6393 [4] ROD END  
66. 8T-4896 [2] WASHER-HARD (10.2X18.5X2.5-MM THK)  
67. 4L-9337 [2] BOLT (3/8-16X1.5-IN)  
68. 2K-4973 [3] LOCKNUT (3/8-16-THD)  
69. 8T-6393 [4] ROD END  
70. 6V-8183 [6] NUT-FULL (3/8-24-THD)  
71. 5D-1185 [1] ROD-CONTROL  
72. 7T-6455 [1] BELLCRANK AS  
73. 2P-9858 [6] BEARING-ROLLER  
74. 7P-3420 [4] SHAFT  
75. 4L-6459 [4] BOLT (3/8-16X2.5-IN)  
  7X-0503 [4] WASHER-HARD (10.2X28.5X5-MM THK)  
76. 9G-8790 [1] ROD  
77. 8E-6344 [2] LEVER AS  
78. 8E-6343 [1] BELLCRANK AS  
79. 7X-2896 [1] ROD END  
80. 2L-6267 [1] LOCKNUT (3/8-24-THD)  
81. 8D-8067 [1] ROD  
82. 2K-0564 [1] LOCKNUT (1/2-20-THD)  
83. 7F-0502 [1] WASHER (13.5X31.8X3-MM THK)  
84. 9G-8781 [4] WASHER (2-MM THK)  
85. 6D-3787 [2] BEARING-ROLLER  
86. 8T-9375 [1] BOLT (3/8-16X1.75-IN)  
  6V-8801 [1] NUT (3/8-16-THD)  
87. 2P-9858 [2] BEARING-ROLLER  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP18870349
 

6T-9923: CONTROL GP-HYDRAULIC LOCKOUT

6T-9923 CONTROL GP-HYDRAULIC LOCKOUT
S/N 8HB1-UP
PART OF 9P-7402 HYDRAULIC AR
i00407015 SEBP1887
6T9923 CONTROL GP-HYDRAULIC LOCKOUT Parts scheme
  For full view, you need register

Parts for your 578 PIPELAYER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3K-8280 [2] PIN-CLEVIS  
2. 8T-4896 [14] WASHER-HARD (10.2X18.5X2.5-MM THK)  
3. 3B-4615 [3] PIN-COTTER  
4. 8C-3442 [1] SPRING-COIL  
5. 9W-7796 [1] ROD  
6. 3B-4609 [6] PIN-COTTER  
7. 8E-0724 [1] HANDLE AS  
8. 6V-8183 [2] NUT-FULL (3/8-24-THD)  
9. 5M-8500 [2] KNOB  
10. 9W-8196 [1] LATCH  
11. 7G-1251 [1] SPRING  
12. 5P-2955 [1] BOLT (5/16-18X2.5-IN)  
  4M-5280 [1] NUT-PLATED FULL (5/16-18-THD)  
13. 9M-3091 [1] SPRING-PLUNGER  
14. 8P-6099 [1] SPACER (6.83X10.29X18-MM THK)  
  3B-4607 [1] PIN-COTTER  
  8T-4205 [1] WASHER-HARD (7.2X14.5X2-MM THK)  
15. 9W-8310 [1] LATCH AS  
 

Information:

Tool Operating Manual
Repairing Line Relief Valve Seats in Hydraulic Control Valves Using the 229-3612 Hydraulic Valve Seat Repair Kit{0738, 5117}
Repairing Line Relief Valve Seats in Hydraulic Control Valves Using the 229-3612 Hydraulic Valve Seat Repair Kit{0738, 5117}

Caterpillar Parts SIS Catalog 578 :

VALVE GP-RELIEF
1U-1784 VALVE GP-RELIEF
VALVE GP-COUNTERBALANCE
4T-3232 VALVE GP-COUNTERBALANCE
VALVE GP-COUNTERBALANCE
3G-6879 VALVE GP-COUNTERBALANCE
VALVE GP-CONTROL
9T-2103 VALVE GP-CONTROL
VALVE GP-CONTROL
9T-1900 VALVE GP-CONTROL
VALVE GP-CONTROL
4T-0846 VALVE GP-CONTROL
VALVE GP-CONTROL
3G-6880 VALVE GP-CONTROL
VALVE & LINES GP
7G-0133 VALVE & LINES GP
VALVE GP-RELIEF
1U-1786 VALVE GP-RELIEF
VALVE GP-RELIEF
3G-9895 VALVE GP-RELIEF
VALVE GP-SHUTTLE
4T-4073 VALVE GP-SHUTTLE
ADJUSTER GP-SEAT
6W-8505 ADJUSTER GP-SEAT
CONTROL GP-HYDRAULIC
6T-9924 CONTROL GP-HYDRAULIC
CONTROL GP-HYDRAULIC
6T-9925 CONTROL GP-HYDRAULIC
CONTROL GP-HYDRAULIC
6T-9925 CONTROL GP-HYDRAULIC
CONTROL GP-HYDRAULIC
6T-9925 CONTROL GP-HYDRAULIC

Truck sale:

1994 CAT 578
USD $150,000 
1994 CAT 578

Whelen Heavy Equipment Ltd.
Hefei, ANHUI, China
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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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