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278-6672 LINES GP-PILOT -JOYSTICK, PEDALS S/N LRK1-UP PART OF 270-5864 HYDRAULIC AR Type 2 312D EXCAVATOR


HYDRAULIC SYSTEM
LINES GP-PILOT
LINES GP-PUMP
LINES GP-STICK
LINES GP-CYLINDER
LINES GP-TRAVEL MOTOR
MANIFOLD GP

EXCAVATOR 312D EXCAVATOR LRK
 312D Excavator LRK00001-UP (MACHINE) POWERED BY C4.2 Engine SEBP5229 312D LRK   (2010)

HYDRAULIC SYSTEM

LINES GP-PILOT
LINES GP-PILOT
278-6672 LINES GP-PILOT
LINES GP-PILOT
278-6672 LINES GP-PILOT
LINES GP-PILOT
278-6673 LINES GP-PILOT
LINES GP-PILOT
278-6673 LINES GP-PILOT
LINES GP-PILOT
278-6674 LINES GP-PILOT
LINES GP-PILOT
278-6675 LINES GP-PILOT
 

#SEBP52290240
 

278-6672: LINES GP-PILOT

278-6672 LINES GP-PILOT -JOYSTICK, PEDALS
S/N LRK1-UP
PART OF 270-5864 HYDRAULIC AR
Type 2
i04393701 SEBP5229
2786672 LINES GP-PILOT Parts scheme 2786672 LINES GP-PILOT Parts scheme
  For full view, you need register

Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4I-9521 [2] BAND-MARKER (RED, L1)  
2. 4I-9522 [2] BAND-MARKER (YELLOW, L2)  
3. 4I-9523 [2] BAND-MARKER (BLUE, L3)  
4. 4I-9524 [2] BAND-MARKER (BROWN, L4)  
5. 4I-9525 [2] BAND-MARKER (ORANGE, R1)  
6. 4I-9526 [2] BAND-MARKER (WHITE, R2)  
7. 4I-9527 [2] BAND-MARKER (GREEN, R3)  
8. 4I-9528 [2] BAND-MARKER (PURPLE, R4)  
9. 7K-1181 [2] STRAP-CABLE  
10. 087-4402 I [2] HOSE AS  
11. 133-5813 [4] BAND-MARKER (GRAY, P)  
12. 310-0415 CY [1] VALVE GP-PILOT (WITHOUT SHUTTLE)  
13. 168-9759 [1] BLOCK  
14. 184-9336 [3] SUPPORT  
15. 236-2838 [1] PLATE  
16. 236-2843 [1] HOSE AS  
17. 236-2844 [1] HOSE AS  
18. 354-3834 [1] HOSE AS  
19. 354-3825 [1] HOSE AS  
20. 282-7206 [1] HOSE AS  
21. 292-7423 I [1] HOSE AS  
22. 292-7424 I [1] HOSE AS  
23. 292-7425 I [1] HOSE AS  
24. 292-7427 I [1] HOSE AS  
25. 292-7428 I [1] HOSE AS  
26. 354-3833 [1] HOSE AS  
27. 292-7431 [1] SUPPORT AS  
28. 292-7513 [1] SUPPORT  
29. 148-8336 [11] CONNECTOR AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-8636 [1] CONNECTOR  
30. 164-5624 [2] ELBOW AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  6V-8398 [1] SEAL-O-RING  
  9X-2085 [1] ELBOW  
31. 148-8363 [2] ELBOW AS  
    (EACH INCLUDES)
  3K-0360 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-9876 [1] ELBOW  
32. 148-8366 [8] ELBOW AS  
    (EACH INCLUDES)
  6V-8397 [2] SEAL-O-RING  
  6V-8987 [1] ELBOW  
33. 148-8378 [8] ELBOW AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-8724 [1] ELBOW  
34. 148-8407 [4] PLUG AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  9S-4191 [1] PLUG (9/16-18-THD)  
35. 164-5628 [3] CONNECTOR AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  107-6631 [1] CONNECTOR-FILTER  
36. 6V-9168 [8] NUT (11/16-16-THD)  
37. 8T-4121 [18] WASHER-HARD (11X21X2.5-MM THK)  
38. 8T-4136 M [4] BOLT (M10X1.5X25-MM)  
39. 8T-4137 M [12] BOLT (M10X1.5X20-MM)  
40. 8T-4178 M [2] BOLT (M10X1.5X90-MM)  
41. 9X-8257 [8] WASHER (17.5X30X3.5-MM THK)  
42. 272-4514 [1] HOSE AS  
  C   CHANGE FROM PREVIOUS TYPE
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP52290241
 

278-6673: LINES GP-PILOT

278-6673 LINES GP-PILOT
S/N LRK1-436
PART OF 270-5864 HYDRAULIC AR
i03879422 SEBP5229
2786673 LINES GP-PILOT Parts scheme
  For full view, you need register

Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 087-5777 I [1] HOSE AS  
2. 4I-3941 [2] FITTING AS  
    (EACH INCLUDES)
  6V-8553 [1] NUT (11/16-16-THD)  
3. 4I-3988 I [3] HOSE AS  
4. 4I-5933 I [1] HOSE AS  
5. 4I-9521 [6] BAND-MARKER (RED, L1)  
6. 4I-9522 [6] BAND-MARKER (YELLOW, L2)  
7. 4I-9523 [2] BAND-MARKER (BLUE, L3)  
8. 4I-9524 [2] BAND-MARKER (BROWN, L4)  
9. 4I-9525 [6] BAND-MARKER (ORANGE, R1)  
10. 4I-9526 [6] BAND-MARKER (WHITE, R2)  
11. 4I-9527 [2] BAND-MARKER (GREEN, R3)  
12. 4I-9528 [2] BAND-MARKER (PURPLE, R4)  
13. 7I-8252 I [2] HOSE AS  
14. 7K-1181 [17] STRAP-CABLE  
15. 7Y-4199 I [2] HOSE AS  
16. 4I-1037 I [1] HOSE AS  
17. 104-8973 I [1] HOSE AS  
18. 108-7360 I [1] HOSE AS  
19. 111-6752 I [1] HOSE AS  
20. 115-8645 [4] GUARD  
21. 133-5813 [2] BAND-MARKER (GRAY, P)  
22. 309-5768 [1] SWITCH AS-PRESSURE (TRAVEL)  
22A. 309-5768 [1] SWITCH AS-PRESSURE (IMPLEMENT, SWING)  
    (EACH SWITCH AS INCLUDES)
  9X-3402 [2] SOCKET-CONNECTOR (16-GA TO 18-GA)  
    -OR-
  126-1768 [2] SOCKET-CONNECTOR (14-GA TO 16-GA)  
  331-4226 [1] KIT-CONNECTING PLUG (2-PIN)  
    (INLCUDES PLUG AS, WEDGE & INTERFACE SEAL)
24. 292-7180 [1] GROMMET  
25. 148-8336 [1] CONNECTOR AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-8636 [1] CONNECTOR  
26. 148-8353 [4] ELBOW AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-9001 [1] ELBOW  
27. 148-8378 [3] ELBOW AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-8724 [1] ELBOW  
28. 148-8407 [2] PLUG AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  9S-4191 [1] PLUG (9/16-18-THD)  
29. 148-8435 [5] TEE AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [2] SEAL-O-RING  
  6V-8781 [1] TEE  
30. 150-3036 [1] ELBOW AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  8T-1905 [1] ELBOW  
31. 150-4027 [1] TEE AS  
  3E-2310 [1] TEE  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
32. 148-8338 [1] CONNECTOR AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  8T-0075 [1] CONNECTOR  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
 

#SEBP52290242
 

278-6673: LINES GP-PILOT

278-6673 LINES GP-PILOT
S/N LRK437-UP
PART OF 270-5864 HYDRAULIC AR
i04381718 SEBP5229
2786673 LINES GP-PILOT Parts scheme
  For full view, you need register

Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 087-5777 I [1] HOSE AS  
2. 4I-3941 [2] FITTING AS  
3. 4I-3988 I [3] HOSE AS  
4. 4I-5933 I [1] HOSE AS  
5. 4I-9521 [6] BAND-MARKER (RED, L1)  
6. 4I-9522 [6] BAND-MARKER (YELLOW, L2)  
7. 4I-9523 [2] BAND-MARKER (BLUE, L3)  
8. 4I-9524 [2] BAND-MARKER (BROWN, L4)  
9. 4I-9525 [6] BAND-MARKER (ORANGE, R1)  
10. 4I-9526 [6] BAND-MARKER (WHITE, R2)  
11. 4I-9527 [2] BAND-MARKER (GREEN, R3)  
12. 4I-9528 [2] BAND-MARKER (PURPLE, R4)  
13. 7I-8252 I [2] HOSE AS  
14. 7K-1181 [17] STRAP-CABLE  
15. 7Y-4199 I [2] HOSE AS  
16. 4I-1037 I [1] HOSE AS  
17. 104-8973 I [1] HOSE AS  
18. 108-7360 I [1] HOSE AS  
19. 363-6187 CI [1] HOSE AS  
20. 115-8645 [4] GUARD  
21. 133-5813 [2] BAND-MARKER (GRAY, P)  
22. 309-5768 [1] SWITCH AS-PRESSURE (TRAVEL)  
22A. 309-5768 [1] SWITCH AS-PRESSURE (IMPLEMENT, SWING)  
    (EACH SWITCH AS INCLUDES)
  9X-3402 [2] SOCKET-CONNECTOR (16-GA TO 18-GA)  
    -OR-
  126-1768 [2] SOCKET-CONNECTOR (14-GA TO 16-GA)  
  331-4226 [1] KIT-CONNECTING PLUG (2-PIN)  
    (INCLUDES PLUG AS, WEDGE & INTERFACE SEAL)
24. 292-7180 [1] GROMMET  
25. 148-8336 [1] CONNECTOR AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-8636 [1] CONNECTOR  
26. 148-8353 [4] ELBOW AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-9001 [1] ELBOW  
27. 148-8378 [3] ELBOW AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-8724 [1] ELBOW  
28. 148-8407 [2] PLUG AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  9S-4191 [1] PLUG (9/16-18-THD)  
29. 148-8435 [5] TEE AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [2] SEAL-O-RING  
  6V-8781 [1] TEE  
30. 150-3036 [1] ELBOW AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  8T-1905 [1] ELBOW  
31. 150-4027 [1] TEE AS  
  3E-2310 [1] TEE  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
32. 148-8338 [1] CONNECTOR AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  8T-0075 [1] CONNECTOR  
  C   CHANGE FROM PREVIOUS TYPE
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
 

#SEBP52290243
 

278-6674: LINES GP-PILOT

278-6674 LINES GP-PILOT -MAIN CONTROL VALVE, MANIFOLD
S/N LRK1-UP
PART OF 270-5864 HYDRAULIC AR
i03879420 SEBP5229
2786674 LINES GP-PILOT Parts scheme 2786674 LINES GP-PILOT Parts scheme 2786674 LINES GP-PILOT Parts scheme 2786674 LINES GP-PILOT Parts scheme
  For full view, you need register

Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4I-3994 I [1] HOSE AS  
2. 4I-5795 I [2] HOSE AS  
3. 4I-5900 I [1] HOSE AS  
4. 4I-6039 [1] GROMMET  
5. 4I-9521 [4] BAND-MARKER (RED, L1)  
6. 4I-9522 [4] BAND-MARKER (YELLOW, L2)  
7. 4I-9523 [12] BAND-MARKER (BLUE, L3)  
8. 4I-9524 [4] BAND-MARKER (BROWN, L4)  
9. 4I-9525 [4] BAND-MARKER (ORANGE, R1)  
10. 4I-9527 [8] BAND-MARKER (GREEN, R3)  
11. 4I-9528 [4] BAND-MARKER (PURPLE, R4)  
12. 5I-4076 I [1] HOSE AS  
13. 5I-8708 I [1] HOSE AS  
14. 5I-8853 I [1] HOSE AS  
15. 7K-1181 [14] STRAP-CABLE  
16. I [1] HOSE AS  
17. 7Y-5088 I [1] HOSE AS  
18. 087-5767 I [1] HOSE AS  
19. 087-5775 I [1] HOSE AS  
20. 087-5777 I [1] HOSE AS  
21. 320-0153 I [1] HOSE AS  
22. 4I-1671 I [1] HOSE AS  
23. 108-7375 I [1] HOSE AS  
24. 115-8645 [4] GUARD  
25. 164-6979 CY [1] VALVE GP-SHUTTLE  
26. 129-5959 I [1] HOSE AS  
27. 133-5813 [2] BAND-MARKER (GRAY, P)  
28. 148-8443 [1] TEE AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  7X-2459 [1] ADAPTER-TEE  
29. 150-4027 [1] TEE AS  
  3E-2310 [1] TEE  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
30. 164-5546 [1] TEE AS  
  3E-7410 [1] TEE  
  3J-1907 [1] SEAL-O-RING  
31. 164-5628 [1] CONNECTOR AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  107-6631 [1] CONNECTOR-FILTER  
32. 164-6874 [1] FITTING AS-ELBOW (QUICK DISCONNECT, MALE)  
  3J-1907 [1] SEAL-O-RING  
  085-7356 [1] FITTING  
33. 164-6981 Y [1] ACCUMULATOR GP-HYDRAULIC (CHARGED)  
34. 176-4791 [1] BLOCK  
35. 184-9420 I [1] HOSE AS  
36. 187-5741 I [1] HOSE AS  
37. 187-7028 [1] SUPPORT AS  
38. 192-6775 I [1] HOSE AS  
39. 199-1914 I [1] HOSE AS  
40. 207-6418 I [1] HOSE AS  
41. 215-5037 Y [1] MANIFOLD GP-CONTROL (PILOT OIL SUPPLY)  
42. 218-1183 I [1] HOSE AS  
43. 310-0210 CY [1] VALVE GP-PRESSURE REDUCING (BOOM, SWING PRIORITY)  
44. 238-0751 Y [1] VALVE GP-SOLENOID & PRESS REDC  
45. 257-3023 I [1] HOSE AS  
46. 418-6282 [2] CLAMP GP-HYDRAULIC LINES  
    (EACH INCLUDES)
  275-1442 [1] CLIP (TAB)  
  275-1443 [1] CLIP (SLOT)  
  275-1444 J [1] GROMMET  
    -OR-
  275-1442 [1] CLIP (TAB)  
  275-1443 [1] CLIP (SLOT)  
  333-4609 J [1] GROMMET  
49. 285-2663 [1] FITTING AS (QUICK DISCONNECT, MALE)  
  3J-1907 [1] SEAL-O-RING  
  285-2664 [1] FITTING  
50. 286-6769 I [1] HOSE AS  
51. 292-7183 I [1] HOSE AS  
52. 292-7446 I [1] HOSE AS  
53. 296-7059 [2] FITTING AS  
    (EACH INCLUDES)
  3K-0360 [1] SEAL-O-RING  
  178-5883 [1] FITTING  
54. 320-0007 I [1] HOSE AS  
55. 307-4837 [1] PLATE  
56. 307-4969 I [1] HOSE AS  
57. 309-5769 [1] SWITCH AS-PRESSURE (PILOT, BOOM LOWER)  
  102-8802 [1] KIT-RECEPTACLE (2-PIN)  
  151-9272 [1] KIT-RECEPTACLE (2-PIN)  
    (EACH RECEPTACLE KIT INCLUDES RECEPTACLE AS & WEDGE)
  9X-3401 [2] PIN-CONNECTOR (16-GA TO 18-GA)  
    -OR-
  126-1767 [2] PIN-CONNECTOR (14-GA TO 16-GA)  
58. 317-4749 [1] SUPPORT AS  
59. 320-0156 I [1] HOSE AS  
60. 317-4846 I [1] HOSE AS  
61. 148-8336 [8] CONNECTOR AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-8636 [1] CONNECTOR  
62. 148-8338 [2] CONNECTOR AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  8T-0075 [1] CONNECTOR  
63. 148-8340 [3] CONNECTOR AS  
    (EACH INCLUDES)
  3K-0360 [1] SEAL-O-RING  
  6V-8398 [1] SEAL-O-RING  
  6V-8639 [1] CONNECTOR  
64. 148-8353 [5] ELBOW AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-9001 [1] ELBOW  
65. 148-8365 [1] ELBOW AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8398 [1] SEAL-O-RING  
  8T-6876 [1] ELBOW  
66. 148-8367 [1] ELBOW AS  
  6V-8397 [1] SEAL-O-RING  
  6V-9850 [1] ELBOW  
67. 148-8370 [1] ELBOW AS  
  6V-8398 [1] SEAL-O-RING  
  6V-9851 [1] ELBOW  
68. 148-8378 [10] ELBOW AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-8724 [1] ELBOW  
69. 148-8407 [10] PLUG AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  9S-4191 [1] PLUG (9/16-18-THD)  
70. 148-8411 [1] PLUG AS  
  3K-0360 [1] SEAL-O-RING  
  9S-4185 [1] PLUG (3/4-16-THD)  
71. 148-8428 [1] TEE AS  
  3K-0360 [1] SEAL-O-RING  
  6V-8398 [2] SEAL-O-RING  
  6V-8782 [1] TEE  
72. 148-8433 [1] TEE AS  
  6V-8397 [2] SEAL-O-RING  
  6V-9836 [1] TEE-SWIVEL  
73. 148-8435 [4] TEE AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [2] SEAL-O-RING  
  6V-8781 [1] TEE  
74. 150-3036 [4] ELBOW AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  8T-1905 [1] ELBOW  
75. 164-5567 [1] COUPLER AS-QUICK DISCONNECT (MALE)  
  214-7568 [1] SEAL-O-RING  
  6V-3965 [1] FITTING (QUICK DISCONNECT)  
76. 363-6137 [1] CONNECTOR AS  
  3K-0360 [1] SEAL-O-RING  
  6V-8398 [1] SEAL-O-RING  
  363-6119 [1] ADAPTER-FILTER  
77. 418-6286 [1] CLAMP GP-HYDRAULIC LINES  
  5P-7462 [1] CLIP (SLOT)  
  5P-7463 [1] CLIP (TAB)  
  6V-0683 J [1] GROMMET  
    -OR-
  5P-7464 [1] CLIP (SLOT)  
  5P-7465 [1] CLIP (TAB)  
  6V-1249 J [1] GROMMET (22-MM ID)  
80. 6V-0852 [1] CAP-DUST  
82. 7X-0818 M [2] BOLT (M8X1.25X45-MM)  
83. 8T-4121 [7] WASHER-HARD (11X21X2.5-MM THK)  
84. 8T-4136 M [1] BOLT (M10X1.5X25-MM)  
85. 8T-4137 M [6] BOLT (M10X1.5X20-MM)  
86. 8T-4139 M [3] BOLT (M12X1.75X30-MM)  
87. 8T-4192 M [2] BOLT (M12X1.75X25-MM)  
88. 8T-4200 M [2] BOLT (M8X1.25X16-MM)  
89. 8T-4223 [5] WASHER-HARD (13.5X25.5X3-MM THK)  
90. 8T-4224 [2] WASHER-HARD (8.8X16X2-MM THK)  
91. 8T-5005 M [2] BOLT (M10X1.5X70-MM)  
92. 8T-6869 M [2] BOLT (M8X1.25X60-MM)  
93. 164-5629 [1] FITTING AS  
  3J-1907 [1] SEAL-O-RING  
  108-7516 [1] FITTING  
  C   CHANGE FROM PREVIOUS TYPE
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  J   SELECT CORRECT GROMMET SIZE TO FIT HOSE OD
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP52290244
 

278-6675: LINES GP-PILOT

278-6675 LINES GP-PILOT
S/N LRK1-UP
PART OF 270-5864 HYDRAULIC AR
i03881264 SEBP5229
2786675 LINES GP-PILOT Parts scheme
  For full view, you need register

Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6V-0852 [4] CAP-DUST  
2. 131-9869 I [1] HOSE AS  
3. 164-6874 [1] FITTING AS-ELBOW (QUICK DISCONNECT, MALE)  
  3J-1907 [1] SEAL-O-RING  
  085-7356 [1] FITTING  
4. 168-1968 [1] TEE AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  126-6872 [1] TEE  
5. 178-5955 I [1] HOSE AS  
6. 221-8912 [2] FLANGE  
7. 260-2180 [2] SENSOR AS-PRESSURE  
    (EACH INCLUDES)
  095-1777 [1] RING-BACKUP  
  260-2191 [1] SEAL-O-RING  
8. 281-5898 [1] TEE AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8398 [2] SEAL-O-RING  
  153-6270 [1] TEE  
9. 292-7176 I [1] HOSE AS  
10. 314-8236 I [2] HOSE AS  
11. 148-8327 [2] CONNECTOR AS  
    (EACH INCLUDES)
  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. 148-8367 [1] ELBOW AS  
  6V-8397 [1] SEAL-O-RING  
  6V-9850 [1] ELBOW  
14. 148-8370 [1] ELBOW AS  
  6V-8398 [1] SEAL-O-RING  
  6V-9851 [1] ELBOW  
15. 148-8378 [1] ELBOW AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-8724 [1] ELBOW  
16. 150-3036 [2] ELBOW AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  8T-1905 [1] ELBOW  
17. 164-5567 [4] COUPLER AS-QUICK DISCONNECT (MALE)  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  6V-3965 [1] FITTING (QUICK DISCONNECT)  
18. 164-8908 [1] CONNECTOR AS  
  3K-0360 [1] SEAL-O-RING  
  6V-8398 [1] SEAL-O-RING  
  8T-0077 [1] CONNECTOR  
19. 8T-4189 M [4] BOLT (M8X1.25X20-MM)  
20. 8T-4224 [4] WASHER-HARD (8.8X16X2-MM THK)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
 

#SEBP52290245
 

278-6671: LINES GP-PUMP

278-6671 LINES GP-PUMP -PUMP SUPPLY
S/N LRK1-UP
PART OF 270-5864 HYDRAULIC AR
i03877882 SEBP5229
2786671 LINES GP-PUMP Parts scheme
  For full view, you need register

Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 144-0367 [4] CLAMP-HOSE  
2. 111-6716 [1] HOSE  
3. 194-0097 [1] PIPE AS  
4. 192-6840 [1] PIPE AS  
5. 108-1781 M [4] BOLT-SOCKET HEAD (M12X1.75X35-MM)  
6. 148-8360 [1] ELBOW AS  
  6V-9182 [1] ELBOW  
  6V-9746 [1] SEAL-O-RING  
  7M-8485 [1] SEAL-O-RING  
7. 148-8392 [1] ELBOW AS  
  6V-9746 [1] SEAL-O-RING  
  6V-9853 [1] ELBOW  
8. 148-8411 [1] PLUG AS  
  3K-0360 [1] SEAL-O-RING  
  9S-4185 [1] PLUG (3/4-16-THD)  
9. 153-6242 [1] CONNECTOR AS  
  6V-9746 [1] SEAL-O-RING  
  7M-8485 [1] SEAL-O-RING  
  8T-0197 [1] CONNECTOR  
10. 155-3624 [1] PLUG AS  
  3J-7354 [1] SEAL-O-RING  
  9S-4182 [1] PLUG (7/16-20-THD)  
11. 164-4180 [1] PLUG AS  
  7M-8485 [1] SEAL-O-RING  
  9S-4181 [1] PLUG (1-5/16-12-THD)  
12. 5H-8624 [1] SEAL-O-RING  
13. 6J-2680 [1] SEAL-O-RING  
14. 8T-4193 M [4] BOLT (M16X2X50-MM)  
15. 8T-4223 [4] WASHER-HARD (13.5X25.5X3-MM THK)  
16. 9X-8257 [4] WASHER (17.5X30X3.5-MM THK)  
  M   METRIC PART
 

#SEBP52290246
 

179-7601: LINES GP-STICK

179-7601 LINES GP-STICK
S/N LRK1-UP
PART OF 301-2544 STICK AR-HOE
FOR USE WITH 2.5-M (8.2-FT) STICK
AN ATTACHMENT
i03839281 SEBP5229
1797601 LINES GP-STICK Parts scheme
  For full view, you need register

Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 104-8999 I [1] HOSE AS  
2. 124-0838 I [1] HOSE AS  
3. 8C-3205 [2] FLANGE-HALF  
4. 4J-5267 [2] SEAL-O-RING  
5. 131-9850 [1] BLOCK  
6. 8T-5005 M [4] BOLT (M10X1.5X70-MM)  
7. 8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
8. 7J-9108 [1] SEAL-O-RING  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
 

#SEBP52290247
 

194-8989: LINES GP-STICK CYLINDER

194-8989 LINES GP-STICK CYLINDER
S/N LRK1-UP
PART OF 289-7711 CYLINDER & LINES GP-STICK
AN ATTACHMENT
i03837011 SEBP5229
1948989 LINES GP-STICK CYLINDER Parts scheme
  For full view, you need register

Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6V-9746 [2] SEAL-O-RING  
2. 4J-5267 [2] SEAL-O-RING  
3. 109-5816 [1] ELBOW  
4. 8T-4185 M [8] BOLT (M10X1.5X50-MM)  
5. 194-9124 [1] TUBE AS  
6. 8T-4910 M [1] BOLT (M12X1.75X60-MM)  
7. 8T-4223 [1] WASHER-HARD (13.5X25.5X3-MM THK)  
8. 093-1292 [1] CLAMP  
9. 121-6219 [1] SUPPORT AS  
10. 8T-4121 [2] WASHER-HARD (11X21X2.5-MM THK)  
11. 8T-4196 M [2] BOLT (M10X1.5X35-MM)  
12. 121-6220 [1] SUPPORT AS  
  M   METRIC PART
 

#SEBP52290248
 

278-6511: LINES GP-TRAVEL MOTOR

278-6511 LINES GP-TRAVEL MOTOR
S/N LRK1-UP
PART OF 270-5864 HYDRAULIC AR
i03877828 SEBP5229
2786511 LINES GP-TRAVEL MOTOR Parts scheme
  For full view, you need register

Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5I-4365 [2] GROMMET  
2. 4I-6039 [2] GROMMET  
3. 7I-1303 I [4] HOSE AS  
4. 162-4696 Y [1] SWIVEL GP  
5. 307-5096 I [2] HOSE AS  
6. 179-7771 I [2] HOSE AS  
7. 267-4063 [2] CONNECTOR AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
  156-8801 [1] CONNECTOR  
8. 148-8325 [2] CONNECTOR AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
  6V-8641 [1] CONNECTOR  
9. 148-8327 [8] CONNECTOR AS  
    (EACH INCLUDES)
  3D-2824 [1] SEAL-O-RING  
  6V-8637 [1] CONNECTOR  
  6V-9746 [1] SEAL-O-RING  
10. 148-8340 [2] CONNECTOR AS  
    (EACH INCLUDES)
  3K-0360 [1] SEAL-O-RING  
  6V-8398 [1] SEAL-O-RING  
  6V-8639 [1] CONNECTOR  
11. 148-8436 [1] TEE AS  
  3K-0360 [1] SEAL-O-RING  
  6V-8398 [2] SEAL-O-RING  
  6V-8775 [1] TEE-FACE SEAL  
12. 7K-1181 [4] STRAP-CABLE  
13. 8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
14. 8T-4137 M [4] BOLT (M10X1.5X20-MM)  
15. 1U-8846 B SEALANT-GASKET  
  B   USE AS REQUIRED
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP52290249
 

215-5037: MANIFOLD GP-CONTROL

215-5037 MANIFOLD GP-CONTROL -PILOT OIL
S/N LRK1-UP
PART OF 278-6674 LINES GP-PILOT
i02205444 SEBP5229
  For full view, you need register

Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  239-8998 Y [1] MANIFOLD GP-CONTROL (PILOT OIL SUPPLY)(STEEL BODY)  
    -OR-
  239-8697 Y [1] MANIFOLD GP-CONTROL (PILOT OIL SUPPLY)(ALUMINUM BODY)  
  Y   SEPARATE ILLUSTRATION
 

Information:

Caterpillar Parts SIS Catalog 312D :

LINES GP-PILOT
278-6672 LINES GP-PILOT
LINES GP-HYDRAULIC OIL COOLER
278-6670 LINES GP-HYDRAULIC OIL COOLER
LINES GP-HYDRAULIC OIL COOLER
278-6667 LINES GP-HYDRAULIC OIL COOLER
LINES GP-HYDRAULIC
278-6661 LINES GP-HYDRAULIC
LINES GP-FRONT
278-6665 LINES GP-FRONT
LINES GP-BUCKET CYLINDER
179-7598 LINES GP-BUCKET CYLINDER
LINES GP-BOOM CYLINDER
278-6677 LINES GP-BOOM CYLINDER
LINES GP-BOOM CYLINDER
278-6676 LINES GP-BOOM CYLINDER
LINES GP-PILOT
278-6673 LINES GP-PILOT
LINES GP-PILOT
278-6673 LINES GP-PILOT
LINES GP-PILOT
278-6674 LINES GP-PILOT
LINES GP-PILOT
278-6675 LINES GP-PILOT
LINES GP-PUMP
278-6671 LINES GP-PUMP
LINES GP-STICK
179-7601 LINES GP-STICK
LINES GP-STICK CYLINDER
194-8989 LINES GP-STICK CYLINDER
LINES GP-TRAVEL MOTOR
278-6511 LINES GP-TRAVEL MOTOR
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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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