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344-4405 CONTROL AR-COUPLER S/N JBC1-UP; HCW1-UP PART OF 354-1084, 354-1086, 354-1088, 354-1092, 354-1094, 396-6734, 396-6735, 396-6736, 396-6739, 396-6740 OPTION AR-LINKAGE AN ATTACHMENT 312D


OPERATOR STATION
CONTROL GP-HYDRAULIC
HYDRAULIC SYSTEM
COUPLING GP
CYLINDER GP

EXCAVATOR 312D EXCAVATOR HCW
 312D & 312D L Excavators HCW00001-UP (MACHINE) POWERED BY C4.2 Engine SEBP4949 312D HCW   (2008)

OPERATOR STATION

CONTROL GP-HYDRAULIC
277-1173 CONTROL AR-COUPLER
344-4405 CONTROL AR-COUPLER
460-5487 CONTROL AR-COUPLER
260-7117 CONTROL AR-FINE SWING
LEVER GP-CONTROL
234-6613 LEVER GP-CONTROL
 

#SEBP49490570
 

344-4405: CONTROL AR-COUPLER

344-4405 CONTROL AR-COUPLER
S/N JBC1-UP; HCW1-UP
PART OF 354-1084, 354-1086, 354-1088, 354-1092, 354-1094, 396-6734, 396-6735, 396-6736, 396-6739, 396-6740 OPTION AR-LINKAGE
AN ATTACHMENT
i03973485 SEBP4949
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Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  282-5705 Y [1] FILM GP (QUICK COUPLER)  
  337-1272 Y [1] LINES GP-FRONT  
  238-2485 Y [1] SWITCH GP-TOGGLE (QUICK COUPLER LOCK)  
  275-7053 Y [1] WIRING GP-QUICK COUPLER  
  Y   SEPARATE ILLUSTRATION
 

#SEBP49490571
 

460-5487: CONTROL AR-COUPLER

460-5487 CONTROL AR-COUPLER
S/N JBC1-UP
AN ATTACHMENT
i06264084 SEBP4949
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Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  Y [1] FILM GP (COUPLER)  
  445-2020 Y [1] LINES GP-AUXILIARY HYDRAULIC (QUICK COUPLER)  
  451-9080 Y [1] LINES GP-FRONT  
  238-2485 Y [1] SWITCH GP-TOGGLE (QUICK COUPLER LOCK)  
  238-1565 Y [1] WIRING GP-QUICK COUPLER  
  Y   SEPARATE ILLUSTRATION
 

#SEBP49490572
 

260-7117: CONTROL AR-FINE SWING

260-7117 CONTROL AR-FINE SWING
S/N JBC1-UP; HCW1-UP
AN ATTACHMENT
i05294127 SEBP4949
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Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  267-6837 Y [1] DRIVE GP-SWING  
    -OR-
  333-3075 Y [1] DRIVE GP-SWING  
  278-6725 Y [1] LINES GP-SWING MOTOR  
  275-7067 Y [1] WIRING GP-FINE SWING  
  Y   SEPARATE ILLUSTRATION
 

#SEBP49490573
 

266-6280: COUPLING GP-FLEXIBLE

266-6280 COUPLING GP-FLEXIBLE
S/N JBC1-UP; HCW1-UP
PART OF 255-3027 COUPLING GP-PUMP
i02747795 SEBP4949
2666280 COUPLING GP-FLEXIBLE Parts scheme
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Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7Y-1900 [4] INSERT-COUPLING  
2. 7Y-1901 [1] ELEMENT-COUPLING  
3. 7Y-1902 [4] INSERT-COUPLING  
4. 7Y-1904 M [4] BOLT-SOCKET HEAD (M16X2X50-MM)  
5. 248-7284 [1] HUB  
6. 7Y-0466 M [2] SETSCREW-SOCKET (M16X2X22-MM)  
7. 7Y-0468 [12] PIN-SPRING  
  M   METRIC PART
 

#SEBP49490574
 

351-3869: COUPLING GP-FLEXIBLE

351-3869 COUPLING GP-FLEXIBLE
S/N JBC1-UP; HCW1-UP
PART OF 255-3027 COUPLING GP-PUMP
i04407839 SEBP4949
3513869 COUPLING GP-FLEXIBLE Parts scheme
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Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 351-4126 [4] INSERT-COUPLING  
2. 7Y-1901 [1] ELEMENT-COUPLING  
3. 7Y-1902 [4] INSERT-COUPLING  
4. 7Y-1904 M [4] BOLT-SOCKET HEAD (M16X2X50-MM)  
5. 248-7284 [1] HUB  
6. 7Y-0466 M [2] SETSCREW-SOCKET (M16X2X22-MM)  
7. 7Y-0468 [8] PIN-SPRING  
  M   METRIC PART
 

#SEBP49490575
 

255-3027: COUPLING GP-PUMP

255-3027 COUPLING GP-PUMP
S/N JBC1-UP; HCW1-UP
PART OF 279-7721 PUMP & MTG GP-MAIN HYDRAULIC
Type 1
i02600127 SEBP4949
2553027 COUPLING GP-PUMP Parts scheme
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Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 266-6280 Y [1] COUPLING GP-FLEXIBLE  
2. 324-4118 M [4] BOLT-SOCKET HEAD (M16X2X55-MM)  
3. 7Y-0468 [4] PIN-SPRING  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP49490576
 

255-3027: COUPLING GP-PUMP

255-3027 COUPLING GP-PUMP
S/N JBC1-UP; HCW1-UP
PART OF 279-7721 PUMP & MTG GP-MAIN HYDRAULIC
Type 2
i04797536 SEBP4949
2553027 COUPLING GP-PUMP Parts scheme
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Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 351-3869 CY [1] COUPLING GP-FLEXIBLE  
2. 324-4118 M [4] BOLT-SOCKET HEAD (M16X2X55-MM)  
3. 7Y-0468 [4] PIN-SPRING  
  C   CHANGE FROM PREVIOUS TYPE
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP49490577
 

274-2678: CYLINDER & LINES GP-BLADE

274-2678 CYLINDER & LINES GP-BLADE -LH
S/N JBC1-UP; HCW1-UP
PART OF 260-7124, 260-7125, 301-2453, 301-2454 INSTALLATION AR-BLADE
AN ATTACHMENT
i02810007 SEBP4949
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Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  274-2680 Y [1] CYLINDER & SEAL GP-BLADE (LH)  
  179-7602 Y [1] LINES GP-BLADE CYLINDER (LH)(LH)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP49490578
 

274-2679: CYLINDER & LINES GP-BLADE

274-2679 CYLINDER & LINES GP-BLADE -RH
S/N JBC1-UP; HCW1-UP
PART OF 260-7124, 260-7125, 301-2453, 301-2454 INSTALLATION AR-BLADE
AN ATTACHMENT
i02810001 SEBP4949
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Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  274-2681 Y [1] CYLINDER & SEAL GP-BLADE (RH)  
  179-7604 Y [1] LINES GP-BLADE CYLINDER (RH)(RH)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP49490579
 

326-4443: CYLINDER & LINES GP-BLADE

326-4443 CYLINDER & LINES GP-BLADE -LH
S/N JBC1-UP; HCW1-UP
PART OF 260-7124, 260-7125, 301-2453, 301-2454 INSTALLATION AR-BLADE
AN ATTACHMENT
i03331963 SEBP4949
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Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  326-4444 Y [1] CYLINDER & SEAL GP-BLADE  
  179-7602 Y [1] LINES GP-BLADE CYLINDER (LH)  
  Y   SEPARATE ILLUSTRATION
 

Information:

Operation and Maintenance Manual
Joystick Controls
312D and 313D Excavators
Joystick Controls - Medium Pressure (If Equipped)
312D and 313D Excavators
Blade Control - If Equipped
312D and 313D Excavators
Special Instruction
Installation Procedure for the 221-8884 Pedal Control and Mounting Gp {5462}
Installation Procedure for the 221-8884 Pedal Control and Mounting Gp {5462}
Installation Procedure for the <NOBR>316-8842</NOBR> Hydraulic Pedal Control Gp on Certain Hydraulic Excavators {5059, 5063}
Installation Procedure for the 316-8842 Hydraulic Pedal Control Gp on Certain Hydraulic Excavators {5059, 5063}
Specifications
Handle Control (Travel)
312D and 313D Excavators Machine System Specifications
Hydraulic Pedal Control (Auxiliary)
312D and 313D Excavators Machine System Specifications
Systems Operation
Blade Hydraulic System
312D and 313D Excavators Hydraulic System
Testing and Adjusting
System 24: Joystick Slide Control - Calibrate
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Tool Control System
System 20: Joystick Slide Control - Calibrate
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Tool Control System
System 23: Joystick Slide Control - Calibrate
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Tool Control System
Medium Pressure: Joystick Slide Control - Calibrate
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Tool Control System
System 22: Joystick Slide Control - Calibrate
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Tool Control System
Troubleshooting
MID 039 - CID 1130 - FMI 03
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Machine Electronic Control System
MID 039 - CID 1130 - FMI 04
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Machine Electronic Control System
MID 039 - CID 1130 - FMI 08
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Machine Electronic Control System
Disassembly and Assembly
Pilot Valve (Travel) - Remove
312D and 313D Excavators Machine Systems
Pilot Valve (Travel) - Install
312D and 313D Excavators Machine Systems
Hydraulic Lockout Control - Remove
312D and 313D Excavators Machine Systems
Hydraulic Lockout Control - Install
312D and 313D Excavators Machine Systems
Hydraulic Lockout Control - Disassemble
312D and 313D Excavators Machine Systems
Hydraulic Lockout Control - Assemble
312D and 313D Excavators Machine Systems
Pilot Valve (Travel) - Disassemble
312D and 313D Excavators Machine Systems
Pilot Valve (Travel) - Assemble
312D and 313D Excavators Machine Systems

Caterpillar Parts SIS Catalog 312D :

277-1173 CONTROL AR-COUPLER
457-9316 CONTROL AR-AUXILIARY
389-2466 CONTROL AR-AUXILIARY
389-2433 CONTROL AR-AUXILIARY
270-6119 CONTROL AR-AUXILIARY
270-6106 CONTROL AR-AUXILIARY
270-5859 CONTROL AR-AUXILIARY
270-5853 CONTROL AR-AUXILIARY
460-5487 CONTROL AR-COUPLER
260-7117 CONTROL AR-FINE SWING
COUPLING GP-FLEXIBLE
266-6280 COUPLING GP-FLEXIBLE
COUPLING GP-FLEXIBLE
351-3869 COUPLING GP-FLEXIBLE
COUPLING GP-PUMP
255-3027 COUPLING GP-PUMP
COUPLING GP-PUMP
255-3027 COUPLING GP-PUMP
274-2678 CYLINDER & LINES GP-BLADE
274-2679 CYLINDER & LINES GP-BLADE
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