349-1892 HYDRAULIC AR S/N GAC1-UP PART OF 338-7871 COMMON AR ALSO AN ATTACHMENT 312E EXCAVATOR





HYDRAULIC SYSTEM

HYDRAULIC GP
 

#SEBP56770670
 

349-1892: HYDRAULIC AR

349-1892 HYDRAULIC AR
S/N GAC1-UP
PART OF 338-7871 COMMON AR
ALSO AN ATTACHMENT
i05914683 SEBP5677
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Parts for your 312E EXCAVATOR:

Pos. Part No Qty Parts name Comments
  353-0741 Y [1] LINES GP-BOOM CYLINDER  
    S/N GAC1-339
  428-8234 Y [1] LINES GP-CYLINDER  
    S/N GAC340-UP
  353-0740 Y [1] LINES GP-CONTROL (REAR)  
  353-0742 Y [1] LINES GP-FRONT  
    S/N GAC1-339
  396-3556 Y [1] LINES GP-FRONT  
    S/N GAC340-UP
  428-8235 Y [1] LINES GP-FRONT  
    S/N GAC340-UP
  353-0754 Y [1] LINES GP-HYDRAULIC OIL COOLER  
  353-0744 Y [1] LINES GP-PILOT (CAB)  
  353-0745 Y [1] LINES GP-PILOT (JOYSTICK, MAIN CONTROL VALVE)  
  353-0747 Y [1] LINES GP-PILOT (PUMP)  
  353-0746 Y [1] LINES GP-PILOT (CONTROL VALVE)  
    S/N GAC1-339
  396-3561 Y [1] LINES GP-PILOT (BLADE)  
    S/N GAC340-UP
  428-8238 Y [1] LINES GP-PILOT (CONTROL VALVE)  
    S/N GAC340-UP
  353-0743 Y [1] LINES GP-PUMP  
  353-0748 Y [1] LINES GP-TRAVEL MOTOR  
  353-0750 Y [1] MOUNTING GP-MAIN CONTROL VALVE  
  349-4068 Y [1] PUMP & MTG GP-MAIN HYDRAULIC  
  353-0751 Y [1] TANK & MTG GP-HYDRAULIC  
    S/N GAC1-339
  441-6855 Y [1] TANK & MTG GP-HYDRAULIC  
    S/N GAC340-UP
  Y   SEPARATE ILLUSTRATION
 

#SEBP56770671
 

391-5263: KIT-AUXILIARY LINES

391-5263 KIT-AUXILIARY LINES -FRONT
S/N GAC1-UP
FOR USE WITH @@@@@391-5264@@@@@
AN ATTACHMENT
i06126145 SEBP5677
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Parts for your 312E EXCAVATOR:

Pos. Part No Qty Parts name Comments
  [2] PLATE  
   
    (ABOVE PARTS ARE PART OF THE 350-6563 BOOM AS)
   
  4I-0507 [4] PLATE  
  [2] PLATE  
   
    (ABOVE PARTS ARE PART OF THE 357-5663 STICK AS-HOE)
   
  372-9665 Y [1] LINES GP-AUXILIARY HYDRAULIC (BOOM, HIGH PRESSURE)  
  374-0071 Y [1] LINES GP-AUXILIARY HYDRAULIC (STICK, HIGH PRESSURE)  
  316-3791 Y [1] SUPPORT GP-LINES  
  Y   SEPARATE ILLUSTRATION
 

#SEBP56770672
 

391-5264: KIT-AUXILIARY LINES

391-5264 KIT-AUXILIARY LINES -FRONT
S/N GAC1-UP
FOR USE WITH @@@@@391-5263@@@@@
AN ATTACHMENT
i06126131 SEBP5677
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Parts for your 312E EXCAVATOR:

Pos. Part No Qty Parts name Comments
  323-7631 Y [1] CONTROL GP-HYDRAULIC PEDAL (LH)  
  323-7779 Y [1] CONTROL GP-HYDRAULIC PEDAL (RH)  
  Y [1] FILM GP (OPERATOR CONTROLS, NOTICE)  
  353-0759 Y [1] LINES GP-FRONT (CMB FCTN, WITHOUT VALVE)  
  353-0760 Y [1] LINES GP-FRONT (VALVE MOUNTING)  
  353-0761 Y [1] LINES GP-PILOT (CMB FCTN, HYD CONT, ELEC RLF)  
  353-0762 Y [1] LINES GP-PILOT (CMB FCTN, HYD CONT, ELEC RLF)  
  327-9961 Y [1] WIRING GP-CAB (CMB FCTN, 1-WAY FLOW, HAMMER)  
  350-8163 Y [1] WIRING GP-CHASSIS  
   
    (ABOVE PARTS ARE PART OF THE 349-1896 AUXILIARY CONTROL AR)
   
  358-7384 Y [1] LINES GP-PILOT (PUMP)  
  358-7386 Y [1] LINES GP-PILOT (SWING PRIORITY)  
  358-7388 Y [1] LINES GP-PILOT (TOOL CONTROL SYSTEM)  
  270-5988 Y [1] VALVE GP-CONTROL (AUXILIARY)  
  350-8451 Y [1] WIRING GP-CHASSIS (NEGATIVE FLOW CONTROL, AUX)  
   
    (ABOVE PARTS ARE PART OF THE 349-2003 MAIN CONTROL VALVE AR)
   
  330-2033 M [5] BOLT (M14X2X105-MM)  
   
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP56770673
 

343-8342: KIT-HYDRAULIC LINES

343-8342 KIT-HYDRAULIC LINES -QUICK COUPLER
S/N GAC1-UP
PART OF 450-9741 CONTROL AR-COUPLER
AN ATTACHMENT
i03947529 SEBP5677
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Parts for your 312E EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 4I-9521 [4] BAND-MARKER (RED, L1)  
2. 4I-9522 [4] BAND-MARKER (YELLOW, L2)  
3. 4V-0611 [8] CLAMP  
4. 4V-0612 [4] PLATE  
5. 4V-0969 [4] PLATE AS  
6. 7K-1181 [20] STRAP-CABLE  
7. 196-9994 [3] UNION AS  
    (EACH INCLUDES)
  4J-5477 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  6V-8736 [1] UNION  
8. 343-8343 I [2] HOSE AS  
9. 344-6276 I [2] HOSE AS  
10. 323-6157 [2] COUPLING AS-PERMANENT  
11. 164-5570 [5] UNION AS  
    (EACH INCLUDES)
  6V-8397 [2] SEAL-O-RING  
  6V-8730 [1] UNION (FACE SEAL)  
12. 1B-9575 [4] BOLT (5/16-18X1.56-IN)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
 

#SEBP56770674
 

323-0744: LINES GP-AUXILIARY HYDRAULIC

323-0744 LINES GP-AUXILIARY HYDRAULIC -STICK, MEDIUM PRESS, DIRECT RETURN
S/N GAC1-UP
AN ATTACHMENT
i04439602 SEBP5677
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Parts for your 312E EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 173-8093 Y [3] VALVE AS-MANUAL  
2. 323-0745 [1] SUPPORT AS  
3. 323-0746 [1] SUPPORT AS  
4. 6V-8337 M [2] BOLT-SOCKET HEAD (M8X1.25X35-MM)  
5. 7I-8935 M [2] BOLT-SOCKET HEAD (M8X1.25X75-MM)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP56770675
 

372-9665: LINES GP-AUXILIARY HYDRAULIC

372-9665 LINES GP-AUXILIARY HYDRAULIC -BOOM, HIGH PRESSURE
S/N GAC1-UP
PART OF 391-5263 KIT-AUXILIARY LINES, 381-1248, 381-1250 OPTION AR-HYDRAULIC
AN ATTACHMENT
i04500212 SEBP5677
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Parts for your 312E EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 153-8798 [2] PLATE  
2. 321-0276 I [1] HOSE AS  
3. 321-0280 I [1] HOSE AS  
4. 366-0785 J [1] TUBE GP-HYDRAULIC (BOOM)  
4A. 6V-9746 L [1] SEAL-O-RING  
5. 366-0790 J [1] TUBE GP-HYDRAULIC (BOOM)  
5A. 1P-3703 L [1] SEAL-RECTANGULAR  
5B. 8T-4139 LM [4] BOLT (M12X1.75X30-MM)  
6. 1P-3703 [2] SEAL-RECTANGULAR  
7. 6V-0400 [4] FLANGE-HALF  
8. 6V-9746 [2] SEAL-O-RING  
9. 7Y-3732 [8] CLIP  
10. 7Y-4868 [8] CLIP  
11. 8T-4184 M [16] BOLT (M12X1.75X45-MM)  
12. 8T-4223 [28] WASHER-HARD (13.5X25.5X3-MM THK)  
13. 8T-4956 M [12] BOLT (M12X1.75X35-MM)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  J   TUBE MAY BE 1-PIECE OR 2-PIECE DESIGN
  L   PARTS REQUIRED ONLY WITH 2-PIECE TUBE DESIGN
  M   METRIC PART
 

#SEBP56770676
 

372-9666: LINES GP-AUXILIARY HYDRAULIC

372-9666 LINES GP-AUXILIARY HYDRAULIC -BOOM, MEDIUM PRESSURE
S/N GAC1-UP
PART OF 381-1252, 381-1254 OPTION AR-HYDRAULIC
AN ATTACHMENT
i04500114 SEBP5677
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Parts for your 312E EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 093-1295 [1] CLAMP  
2. 149-1738 [5] CLIP  
3. 153-8867 [4] CLIP  
4. 193-6606 [2] PLATE  
5. 247-9294 [2] SUPPORT AS  
6. 282-5530 [1] TUBE AS  
7. 372-9700 [1] TUBE AS  
8. 372-9701 [1] TUBE AS  
9. 372-9702 [1] TUBE AS  
10. 372-9709 [1] CLIP AS  
11. 372-9710 [1] CLIP AS  
12. 093-1291 [2] CLAMP  
13. 096-9986 M [1] BOLT (M12X1.75X55-MM)  
14. 6V-8398 [4] SEAL-O-RING  
15. 7J-9108 [2] SEAL-O-RING  
16. 7X-2549 M [4] BOLT (M12X1.75X100-MM)  
17. 7Y-4868 [1] CLIP  
18. 8T-4121 [2] WASHER-HARD (11X21X2.5-MM THK)  
19. 8T-4139 M [8] BOLT (M12X1.75X30-MM)  
20. 8T-4185 M [2] BOLT (M10X1.5X50-MM)  
21. 8T-4223 [13] WASHER-HARD (13.5X25.5X3-MM THK)  
22. 8T-4184 JM [4] BOLT (M12X1.75X45-MM)  
23. 8T-4223 J [4] WASHER-HARD (13.5X25.5X3-MM THK)  
24. 8T-4244 JM [4] NUT (M12X1.75-THD)  
  J   WHEN USED WITHOUT AUXILIARY HYDRAULIC LINES GROUP (HIGH PRESSURE)
  M   METRIC PART
 

#SEBP56770677
 

372-9668: LINES GP-AUXILIARY HYDRAULIC

372-9668 LINES GP-AUXILIARY HYDRAULIC -STICK, HIGH PRESSURE
S/N GAC1-UP
PART OF 381-1250, 396-2664 OPTION AR-HYDRAULIC
FOR USE WITH 3-M (9.8-FT) STICK
AN ATTACHMENT
i04500089 SEBP5677
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Parts for your 312E EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 101-7403 M [4] BOLT-SOCKET HEAD (M10X1.5X80-MM)  
2. 241-5149 I [1] HOSE AS  
3. 087-6643 I [1] HOSE AS  
4. 282-5894 Y [2] VALVE GP-MANUAL (AUXILIARY, SHUTOFF)  
5. 288-7688 [1] TUBE AS  
6. 288-7689 [1] TUBE AS  
7. 288-7690 [2] CLIP AS  
8. 288-7691 [2] CLIP AS  
9. 1P-3703 [4] SEAL-RECTANGULAR  
10. 6V-0400 [4] FLANGE-HALF  
11. 6V-9746 [1] SEAL-O-RING  
12. 7Y-3732 [2] CLIP  
13. 7Y-4868 [2] CLIP  
14. 8T-4139 M [4] BOLT (M12X1.75X30-MM)  
15. 8T-4184 M [8] BOLT (M12X1.75X45-MM)  
16. 8T-4195 M [4] BOLT (M10X1.5X30-MM)  
17. 8T-4223 [16] WASHER-HARD (13.5X25.5X3-MM THK)  
18. 8T-4896 [4] WASHER-HARD (10.2X18.5X2.5-MM THK)  
19. 8T-4910 M [8] BOLT (M12X1.75X60-MM)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP56770678
 

372-9807: LINES GP-AUXILIARY HYDRAULIC

372-9807 LINES GP-AUXILIARY HYDRAULIC -STICK, MEDIUM PRESSURE
S/N GAC1-UP
PART OF 381-1254, 396-2668 OPTION AR-HYDRAULIC
FOR USE WITH 3-M (9.8-FT) STICK
AN ATTACHMENT
i04500010 SEBP5677
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Parts for your 312E EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 6C-6760 [2] MANIFOLD  
2. 149-1738 [8] CLIP  
3. 250-1440 [2] ADAPTER AS  
    (EACH INCLUDES)
  3K-0360 [1] SEAL-O-RING  
  7X-3164 [1] ADAPTER-SWIVEL  
4. 288-7693 [2] PLATE  
5. 372-9754 [2] SUPPORT AS  
6. 372-9756 [2] SUPPORT AS  
7. 372-9808 [2] TUBE AS  
8. 372-9809 I [2] HOSE AS  
9. 105-3479 M [4] BOLT-SOCKET HEAD (M10X1.5X90-MM)  
10. 6V-8398 [4] SEAL-O-RING  
11. 8T-4185 M [4] BOLT (M10X1.5X50-MM)  
12. 8T-4223 [16] WASHER-HARD (13.5X25.5X3-MM THK)  
13. 8T-4648 M [8] BOLT (M12X1.75X70-MM)  
14. 8T-4896 [4] WASHER-HARD (10.2X18.5X2.5-MM THK)  
15. 8T-4956 M [8] BOLT (M12X1.75X35-MM)  
16. 8T-4121 J [4] WASHER-HARD (11X21X2.5-MM THK)  
17. 8T-4136 JM [4] BOLT (M10X1.5X25-MM)  
18. 8T-4192 JM [8] BOLT (M12X1.75X25-MM)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  J   WHEN USED WITHOUT HIGH PRESSURE LINES
  M   METRIC PART
 

#SEBP56770679
 

372-9829: LINES GP-AUXILIARY HYDRAULIC

372-9829 LINES GP-AUXILIARY HYDRAULIC -STICK, MEDIUM PRESSURE
S/N GAC1-UP
PART OF 381-1252 OPTION AR-HYDRAULIC
FOR USE WITH 2.5-M (8.2-FT) STICK
AN ATTACHMENT
i04499976 SEBP5677
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Parts for your 312E EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 6C-6760 [2] MANIFOLD  
2. 105-3479 M [4] BOLT-SOCKET HEAD (M10X1.5X90-MM)  
3. 149-1738 [8] CLIP  
4. 250-1440 [2] ADAPTER AS  
    (EACH INCLUDES)
  3K-0360 [1] SEAL-O-RING  
  7X-3164 [1] ADAPTER-SWIVEL  
5. 288-7693 [2] PLATE  
6. 372-9754 [2] SUPPORT AS  
7. 372-9756 [2] SUPPORT AS  
8. 372-9830 I [2] HOSE AS  
9. 372-9833 [2] TUBE AS  
10. 6V-8398 [4] SEAL-O-RING  
11. 8T-4185 M [4] BOLT (M10X1.5X50-MM)  
12. 8T-4223 [8] WASHER-HARD (13.5X25.5X3-MM THK)  
13. 8T-4648 M [8] BOLT (M12X1.75X70-MM)  
14. 8T-4956 M [8] BOLT (M12X1.75X35-MM)  
15. 8T-7971 [8] WASHER-HARD (13.5X25.5X5-MM THK)  
16. 8T-4121 J [4] WASHER-HARD (11X21X2.5-MM THK)  
17. 8T-4136 JM [4] BOLT (M10X1.5X25-MM)  
18. 8T-4192 JM [8] BOLT (M12X1.75X25-MM)  
19. 8T-4223 J [8] WASHER-HARD (13.5X25.5X3-MM THK)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  J   WHEN USED WITHOUT HIGH PRESSURE LINES
  M   METRIC PART
 

Information:

Caterpillar Parts SIS Catalog 312E :