278-6671 LINES GP-PUMP -PUMP SUPPLY S/N KLE1-UP; MGJ1-UP PART OF 383-5072, 383-5073 HYDRAULIC AR 312D2





HYDRAULIC SYSTEM

LINES GP-PUMP
 

#SEBP62330390
 

278-6671: LINES GP-PUMP

278-6671 LINES GP-PUMP -PUMP SUPPLY
S/N KLE1-UP; MGJ1-UP
PART OF 383-5072, 383-5073 HYDRAULIC AR
i04906061 SEBP6233
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Parts for your 312D2 EXCAVATOR:

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. 451-2175 [4] WASHER-HARD (17.5X30X3.5-MM THK)  
8. 148-8411 [1] PLUG AS  
  3K-0360 [1] SEAL-O-RING  
  9S-4185 [1] PLUG (3/4-16-THD)  
9. 148-8339 C [1] CONNECTOR AS  
  6V-8716 [1] CONNECTOR (STRAIGHT)  
  6V-9746 [1] SEAL-O-RING  
  7M-8485 [1] SEAL-O-RING  
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. 447-1711 M [4] BOLT (M16X2X50-MM)  
15. 8T-4223 [4] WASHER-HARD (13.5X25.5X3-MM THK)  
  C   CHANGE FROM PREVIOUS TYPE
  M   METRIC PART
 

#SEBP62330391
 

387-3697: LINES GP-PUMP

387-3697 LINES GP-PUMP -MEDIUM PRESSURE, WITH BLADE
S/N KLE1-UP; MGJ1-UP
PART OF 385-4066, 385-4074, 433-7972, 433-7973 INSTALLATION AR-BLADE
AN ATTACHMENT
i04892046 SEBP6233
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Parts for your 312D2 EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 6V-0852 [1] CAP-DUST  
2. 7K-1181 [7] STRAP-CABLE  
3. 134-6838 [1] GUARD  
4. 319-9775 I [1] HOSE AS  
5. 199-2046 [1] GUARD  
6. 278-6424 [1] TEE AS  
  3D-2824 [1] SEAL-O-RING  
  7J-9108 [1] SEAL-O-RING  
  278-6425 [1] TEE-ORP TO ORFS  
7. 285-2444 I [1] HOSE AS  
8. 387-3666 I [1] HOSE AS  
9. 148-8315 [1] CONNECTOR AS  
  2M-9780 [1] SEAL-O-RING  
  6V-8642 [1] CONNECTOR  
  7J-9108 [1] SEAL-O-RING  
10. 148-8352 [1] ELBOW AS  
  5K-9090 [1] SEAL-O-RING  
  6V-9854 [1] ELBOW (SWIVEL)  
11. 148-8357 [1] ELBOW AS  
    (EACH INCLUDES)
  5K-9090 [1] SEAL-O-RING  
  6V-9008 [1] ELBOW  
  7M-8485 [1] SEAL-O-RING  
12. 148-8360 [1] ELBOW AS  
  6V-9182 [1] ELBOW  
  6V-9746 [1] SEAL-O-RING  
  7M-8485 [1] SEAL-O-RING  
13. 148-8392 [1] ELBOW AS  
  6V-9746 [1] SEAL-O-RING  
  6V-9853 [1] ELBOW  
14. 148-8393 [1] ELBOW AS  
  6V-9852 [1] ELBOW (SWIVEL)  
  7J-9108 [1] SEAL-O-RING  
15. 150-4041 [1] CONNECTOR AS  
  2M-9780 [1] SEAL-O-RING  
  3E-7420 [1] CONNECTOR  
  6V-9746 [1] SEAL-O-RING  
16. 153-6236 [1] REDUCER AS  
  6V-8946 [1] REDUCER  
  6V-9746 [1] SEAL-O-RING  
17. 164-5567 [1] COUPLER AS-QUICK DISCONNECT (MALE)  
  214-7568 [1] SEAL-O-RING  
  6V-3965 [1] FITTING (QUICK DISCONNECT)  
18. 164-6858 [1] TEE AS  
  5K-9090 [2] SEAL-O-RING  
  6V-8778 [1] TEE-FACE SEAL  
  7M-8485 [1] SEAL-O-RING  
19. 5P-7464 [1] CLIP (SLOT)  
20. 5P-7465 [1] CLIP (TAB)  
21. 7X-7729 [1] WASHER (11X25X3-MM THK)  
22. 8T-2920 [1] GROMMET (27-MM ID)  
23. 8T-4136 M [1] BOLT (M10X1.5X25-MM)  
24. 148-8335 [1] CONNECTOR AS  
  5K-9090 [1] SEAL-O-RING  
  6V-8635 [1] CONNECTOR  
  7M-8485 SEAL-O-RING  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
 

#SEBP62330392
 

179-7600: LINES GP-STICK

179-7600 LINES GP-STICK
S/N KLE1-UP; MGJ1-UP
PART OF 283-9014 STICK AR-HOE
FOR USE WITH 3-M (9.8-FT) STICK
AN ATTACHMENT
i01423960 SEBP6233
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Parts for your 312D2 EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 124-1305 I [1] HOSE AS  
2. 123-2729 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
 

#SEBP62330393
 

179-7601: LINES GP-STICK

179-7601 LINES GP-STICK
S/N KLE1-UP; MGJ1-UP
PART OF 283-9016 STICK AR-HOE
FOR USE WITH 2.5-M (8.2-FT) STICK
AN ATTACHMENT
i01423979 SEBP6233
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Parts for your 312D2 EXCAVATOR:

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
 

#SEBP62330394
 

173-4907: LINES GP-STICK CYLINDER

173-4907 LINES GP-STICK CYLINDER
S/N KLE1-UP; MGJ1-UP
PART OF 155-9069 CYLINDER & LINES GP-STICK
AN ATTACHMENT
i01612998 SEBP6233
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Parts for your 312D2 EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 7Y-5187 [1] TUBE AS  
2. 7X-2556 M [4] BOLT (M16X2X100-MM)  
3. 1P-3706 [1] SEAL-RECTANGULAR  
4. 9X-8257 [12] WASHER (17.5X30X3.5-MM THK)  
5. 8T-4140 M [12] BOLT (M16X2X60-MM)  
6. 173-4769 [2] SUPPORT AS  
7. 173-4770 [2] SUPPORT AS  
8. 138-5709 [2] GROMMET  
9. 138-5708 [4] CLIP-HALF  
10. 6W-3731 [4] SPACER (19.07X26.99X14-MM THK)  
  M   METRIC PART
 

#SEBP62330395
 

385-2830: LINES GP-STICK CYLINDER

385-2830 LINES GP-STICK CYLINDER
S/N KLE1-UP; MGJ1-UP
PART OF 385-2829 CYLINDER & LINES GP-STICK
AN ATTACHMENT
i04888777 SEBP6233
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Parts for your 312D2 EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 385-2967 [1] CLAMP  
2. 422-9132 [1] SUPPORT AS  
3. 8T-0271 M [4] BOLT-SOCKET HEAD (M10X1.5X35-MM)  
4. 385-2970 [1] TUBE AS  
5. 6V-0357 [2] SEAL-O-RING  
6. 7X-0796 [3] LOCKWASHER (10.2X18.4X2.5-MM THK)  
7. 6V-5842 M [2] BOLT (M10X1.5X40-MM)  
8. 6V-4249 M [1] BOLT (M10X1.5X50-MM)  
9. 6V-9832 [2] CAP (ORFS)  
10. 393-7944 [1] FLANGE-ELBOW  
11. 8T-1160 M [4] BOLT-SOCKET HEAD (M10X1.5X50-MM)  
12. 6V-9746 [2] SEAL-O-RING  
  M   METRIC PART
 

#SEBP62330396
 

278-6511: LINES GP-TRAVEL MOTOR

278-6511 LINES GP-TRAVEL MOTOR
S/N KLE1-UP
PART OF 383-5072 HYDRAULIC AR
i02796644 SEBP6233
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Parts for your 312D2 EXCAVATOR:

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
 

#SEBP62330397
 

278-6512: LINES GP-TRAVEL MOTOR

278-6512 LINES GP-TRAVEL MOTOR
S/N MGJ1-UP
PART OF 383-5073 HYDRAULIC AR
i02807807 SEBP6233
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Parts for your 312D2 EXCAVATOR:

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. 179-7778 I [2] HOSE AS  
6. 179-7779 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)  
   
  1U-8846 BF SEALANT-GASKET  
  B   USE AS REQUIRED
  F   NOT SHOWN
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP62330398
 

215-5037: MANIFOLD GP-CONTROL

215-5037 MANIFOLD GP-CONTROL -PILOT OIL SUPPLY
S/N KLE1-UP; MGJ1-UP
PART OF 391-7820 LINES GP-PILOT
i02092079 SEBP6233
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Parts for your 312D2 EXCAVATOR:

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
 

#SEBP62330399
 

239-8697: MANIFOLD GP-CONTROL

239-8697 MANIFOLD GP-CONTROL -PILOT OIL SUPPLY
S/N KLE1-UP; MGJ1-UP
ALUMINUM BODY
PART OF 215-5037 MANIFOLD GP-CONTROL
i02092727 SEBP6233
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Parts for your 312D2 EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 121-1491 Y [1] VALVE GP-SOLENOID (SWING BRAKE RELEASE)  
1A. 121-1491 Y [1] VALVE GP-SOLENOID (HYDRAULIC LOCKOUT)  
1B. 121-1491 Y [1] VALVE GP-SOLENOID (TRAVEL SPEED)  
4. 197-0196 [1] VALVE-CHECK  
5. 197-0199 [1] SPRING  
6. 197-0273 [1] SPRING  
7. 9S-8005 [4] PLUG (3/4-16-THD)  
8. 3J-1907 [1] SEAL-O-RING  
9. 3K-0360 [4] SEAL-O-RING  
11. 7I-2272 M [6] BOLT (M5X0.8X12-MM)  
12. 225-4818 [6] PLUG AS  
    (EACH INCLUDES)
  4J-7533 [1] SEAL-O-RING  
  225-4804 [1] PLUG  
13. 9S-8004 [1] PLUG (9/16-18-THD)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

Information:

Caterpillar Parts SIS Catalog 312D2 :