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259-0917 PUMP & MTG GP-AUXILIARY -MEDIUM PRESSURE S/N KCD1-UP; HJX1-UP PART OF 270-5856, 310-0205 CONTROL AR-AUXILIARY, 260-7125, 301-2540, 301-2572 INSTALLATION AR-BLADE AN ATTACHMENT 312D


HYDRAULIC SYSTEM
PUMP GP
FILTER GP
VALVE GP-CONTROL

EXCAVATOR 312D EXCAVATOR HJX
 312D Excavator HJX00001-UP (MACHINE) POWERED BY C4.2 Engine SEBP4946 312D HJX   (2008)

HYDRAULIC SYSTEM

PUMP GP
COUPLING GP-PUMP
255-3027 COUPLING GP-PUMP
HEAD GP-PUMP
282-9155 HEAD GP-PUMP
PUMP & MTG GP-AUXILIARY
259-0917 PUMP & MTG GP-AUXILIARY
PUMP & MTG GP-MAIN HYDRAULIC
279-7721 PUMP & MTG GP-MAIN HYDRAULIC
PUMP GP-MAIN HYDRAULIC
311-7404 PUMP GP-MAIN HYDRAULIC
 

#SEBP49460430
 

259-0917: PUMP & MTG GP-AUXILIARY

259-0917 PUMP & MTG GP-AUXILIARY -MEDIUM PRESSURE
S/N KCD1-UP; HJX1-UP
PART OF 270-5856, 310-0205 CONTROL AR-AUXILIARY, 260-7125, 301-2540, 301-2572 INSTALLATION AR-BLADE
AN ATTACHMENT
i02747800 SEBP4946
2590917 PUMP & MTG GP-AUXILIARY Parts scheme
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Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 170-6738 [1] SPACER  
2. 218-0557 [1] PUMP GP-GEAR  
3. 222-2062 [1] COUPLING  
4. 273-8315 [2] SEAL-O-RING  
5. 8T-4121 [2] WASHER-HARD (11X21X2.5-MM THK)  
6. 8T-6466 M [2] BOLT (M10X1.5X60-MM)  
  M   METRIC PART
 

#SEBP49460431
 

279-7721: PUMP & MTG GP-MAIN HYDRAULIC

279-7721 PUMP & MTG GP-MAIN HYDRAULIC
S/N KCD1-UP; HJX1-UP
PART OF 270-5864, 270-5865 HYDRAULIC AR
i02877604 SEBP4946
2797721 PUMP & MTG GP-MAIN HYDRAULIC Parts scheme
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Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 255-3027 Y [1] COUPLING GP-PUMP  
2. 311-7404 Y [1] PUMP GP-MAIN HYDRAULIC  
3. 8T-4121 [12] WASHER-HARD (11X21X2.5-MM THK)  
4. 8T-4195 M [12] BOLT (M10X1.5X30-MM)  
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP49460432
 

311-7404: PUMP GP-MAIN HYDRAULIC

311-7404 PUMP GP-MAIN HYDRAULIC
S/N KCD1-UP; HJX1-UP
PART OF 279-7721 PUMP & MTG GP-MAIN HYDRAULIC
i02877627 SEBP4946
3117404 PUMP GP-MAIN HYDRAULIC Parts scheme 3117404 PUMP GP-MAIN HYDRAULIC Parts scheme 3117404 PUMP GP-MAIN HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 111-9916 Y [1] VALVE GP-SOLENOID (PRESSURE REDUCING)(PRESSURE REDUCING)  
2. 165-2793 [2] RETAINER  
3. 165-2801 [2] BEARING-ROLLER  
4. 353-5837 [1] SEAL-LIP TYPE  
5. 165-2804 [1] FLANGE  
6. 165-2805 [2] BLOCK  
7. 165-3838 [1] BARREL AS  
8. 165-3839 [1] BARREL AS  
9. 165-3847 [18] PISTON AS  
10. 165-3853 [1] COVER  
11. 173-1203 J [1] PUMP GP-GEAR  
12. 176-8131 [2] SPACER-SPECIAL  
13. 176-8132 [2] BEARING  
14. 190-4896 [2] PLUG  
15. 192-0573 [4] PIN-DOWEL  
16. 199-0518 [2] SEAL-O-RING  
17. 207-2985 [2] ORIFICE  
18. 225-6216 [1] GASKET  
19. 267-1628 [1] SHAFT-DRIVE  
20. 267-1629 [1] SHAFT-DRIVEN  
21. 267-8084 [2] BEARING-NEEDLE  
22. 268-6263 [2] CAM  
23. 268-6265 [1] PLATE  
24. 269-2433 [4] BEARING-CRADLE  
25. 282-9155 Y [2] HEAD GP-PUMP  
26. 282-9192 [1] CASE-FLANGE  
27. 298-5732 [2] RETAINER-BALL  
28. 311-7407 [1] BLOCK-PORT  
30. 094-1875 [6] DOWEL  
31. 094-1882 [12] PLUG  
32. 095-1663 [1] SEAL-O-RING  
34. 165-2799 [12] SPRING  
35. 189-9763 [4] SEAL-O-RING  
36. 1H-7339 [1] SEAL-O-RING  
37. 1J-6472 [2] RING-RETAINING  
38. 273-8320 [1] SEAL-O-RING  
39. 3J-1907 [3] SEAL-O-RING  
40. 6V-8144 [2] RING-RETAINING  
41. 7I-2272 M [2] BOLT (M5X0.8X12-MM)  
42. 7X-2553 M [5] BOLT (M16X2X40-MM)  
43. 7X-2556 M [1] BOLT (M16X2X100-MM)  
44. 8C-3338 [4] DOWEL  
45. 8T-4121 [2] WASHER-HARD (11X21X2.5-MM THK)  
46. 8T-4136 M [2] BOLT (M10X1.5X25-MM)  
47. 8T-4137 M [2] BOLT (M10X1.5X20-MM)  
48. 8T-4139 M [8] BOLT (M12X1.75X30-MM)  
49. 8T-4140 M [2] BOLT (M16X2X60-MM)  
50. 8T-4185 M [4] BOLT (M10X1.5X50-MM)  
51. 8T-7547 M [4] BOLT (M8X1.25X30-MM)  
52. 8T-9599 [1] RING-RETAINING  
53. 9S-4191 [3] PLUG (9/16-18-THD)  
   
    AVAILABLE REPAIR KIT(S):
  327-8740 J [1] KIT-SEAL (GEAR PUMP)  
    (INCLUDES GASKETS, SEAL, LIP SEAL & RETAINING RING)
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP49460433
 

274-2726: SCREEN GP-HYDRAULIC

274-2726 SCREEN GP-HYDRAULIC
S/N KCD1-UP; HJX1-UP
PART OF 278-6662 TANK & FILTER GP-HYDRAULIC
i02877034 SEBP4946
2742726 SCREEN GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 087-5317 [1] ROD  
2. 209-6002 [1] SCREEN AS (HYDRAULIC TANK)(HYDRAULIC TANK)  
3. 259-0918 [1] GUIDE  
4. 095-1552 [1] SEAL-O-RING  
5. 095-6639 [1] SPRING  
6. 8T-4133 M [2] NUT (M10X1.5-THD)  
  M   METRIC PART
 

#SEBP49460434
 

197-0173: SPOOL GP-CONTROL VALVE

197-0173 SPOOL GP-CONTROL VALVE -WORK TOOL
S/N KCD1-UP; HJX1-UP
PART OF 270-5988 VALVE GP-CONTROL, 270-5866 VALVE GP-MAIN CONTROL
ALSO AN ATTACHMENT
i01945867 SEBP4946
1970173 SPOOL GP-CONTROL VALVE Parts scheme
  For full view, you need register

Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 197-0148 [1] BOLT-SPECIAL  
2. 7I-7203 [2] SEAT  
3. 197-0151 [1] SPRING  
4. 197-0150 [1] SPRING  
5. 197-0149 [1] STOP  
6. 197-0156 [1] SPOOL  
 

#SEBP49460435
 

197-0211: SPOOL GP-CONTROL VALVE

197-0211 SPOOL GP-CONTROL VALVE -STICK I
S/N KCD1-UP; HJX1-UP
PART OF 270-5866 VALVE GP-MAIN CONTROL
ALSO AN ATTACHMENT
i01945933 SEBP4946
1970211 SPOOL GP-CONTROL VALVE Parts scheme
  For full view, you need register

Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 197-0148 [1] BOLT-SPECIAL  
2. 7I-7203 [2] SEAT  
3. 197-0151 [1] SPRING  
4. 197-0150 [1] SPRING  
5. 197-0149 [1] STOP  
6. 197-0212 [1] SPOOL  
 

#SEBP49460436
 

197-0213: SPOOL GP-CONTROL VALVE

197-0213 SPOOL GP-CONTROL VALVE -BUCKET
S/N KCD1-UP; HJX1-UP
PART OF 270-5866 VALVE GP-MAIN CONTROL
ALSO AN ATTACHMENT
i01945849 SEBP4946
1970213 SPOOL GP-CONTROL VALVE Parts scheme
  For full view, you need register

Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 197-0148 [1] BOLT-SPECIAL  
2. 7I-7203 [2] SEAT  
3. 197-0152 [1] SPRING  
4. 197-0150 [1] SPRING  
5. 197-0149 [1] STOP  
6. 197-0214 [1] SPOOL  
 

#SEBP49460437
 

197-0217: SPOOL GP-CONTROL VALVE

197-0217 SPOOL GP-CONTROL VALVE -STICK
S/N KCD1-UP; HJX1-UP
PART OF 270-5866 VALVE GP-MAIN CONTROL
ALSO AN ATTACHMENT
i01945905 SEBP4946
1970217 SPOOL GP-CONTROL VALVE Parts scheme
  For full view, you need register

Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 197-0148 [1] BOLT-SPECIAL  
2. 7I-7203 [2] SEAT  
3. 197-0151 [1] SPRING  
4. 197-0150 [1] SPRING  
5. 197-0149 [1] STOP  
6. 197-0218 [1] SPOOL AS  
 

#SEBP49460438
 

285-1504: SPOOL GP-CONTROL VALVE

285-1504 SPOOL GP-CONTROL VALVE -COMBINED FLOW
S/N KCD1-UP; HJX1-UP
PART OF 270-5866 VALVE GP-MAIN CONTROL
ALSO AN ATTACHMENT
i02857398 SEBP4946
2851504 SPOOL GP-CONTROL VALVE Parts scheme
  For full view, you need register

Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 297-0366 [1] STOP  
2. 197-0148 [1] BOLT-SPECIAL  
3. 7I-7203 [2] SEAT  
4. 197-0151 [1] SPRING  
5. 197-0150 [1] SPRING  
 

#SEBP49460439
 

285-1505: SPOOL GP-CONTROL VALVE

285-1505 SPOOL GP-CONTROL VALVE -SWING PRIORITY
S/N KCD1-UP; HJX1-UP
PART OF 270-5866 VALVE GP-MAIN CONTROL
ALSO AN ATTACHMENT
i02860368 SEBP4946
2851505 SPOOL GP-CONTROL VALVE Parts scheme
  For full view, you need register

Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 297-0366 [1] STOP  
2. 197-0148 [1] BOLT-SPECIAL  
3. 7I-7203 [2] SEAT  
4. 197-0151 [1] SPRING  
5. 197-0150 [1] SPRING  
 

Information:

Special Instruction
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}
Specifications
Main Hydraulic Pump
312D Excavator Machine System Specifications
Pump Head (Main)
312D Excavator Machine System Specifications
Tool Operating Manual
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
Systems Operation
Solenoid Valve (Proportional Reducing) - Power Shift System
312D and 313D Excavators Hydraulic System
Main Hydraulic Pump
312D and 313D Excavators Hydraulic System
Pump Control (Main Hydraulic) - Main Pump Regulator
312D and 313D Excavators Hydraulic System
Negative Flow Control System
312D and 313D Excavators Hydraulic System
Gear Pump (Pilot)
312D and 313D Excavators Hydraulic System
Reuse And Salvage Guidelines
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Vane Type Hydraulic Pumps {5055}
Vane Type Hydraulic Pumps {5055}
Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
Testing and Adjusting
Main Hydraulic Pump Air - Purge
312D and 313D Excavators Hydraulic System
Swing Speed and Overswing on Level Ground - Check
312D and 313D Excavators Hydraulic System
Swing Speed and Swing Drift on a Slope - Check
312D and 313D Excavators Hydraulic System
Main Pump (Flow) - Test - Constant Horsepower Flow Control
312D and 313D Excavators Hydraulic System
Pump Control (Output Flow) - Adjust
312D and 313D Excavators Hydraulic System
Pump Control (Negative Flow) - Test
312D and 313D Excavators Hydraulic System
Pump Control (Negative Flow) - Adjust
312D and 313D Excavators Hydraulic System
Gear Pump (Pilot) - Test
312D and 313D Excavators Hydraulic System
Gear Pump (Blade) - Test
312D and 313D Excavators Hydraulic System
Main Pump (Flow) - Test - Hydraulic Power
312D and 313D Excavators Hydraulic System
Bench Test Procedures
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Bench Test Procedure for Gear Pumps {5073}
Bench Test Procedure for Gear Pumps {5073}
Bench Test Procedure for Vane Pumps {5055}
Bench Test Procedure for Vane Pumps {5055}
Bench Test Procedure for Hydraulic Piston Pumps {5070}
Bench Test Procedure for Hydraulic Piston Pumps {5070}
Disassembly and Assembly
Gear Pump (Pilot) - Remove and Install
312D and 313D Excavators Machine Systems
Main Hydraulic Pump - Remove
312D and 313D Excavators Machine Systems
Main Hydraulic Pump - Install
312D and 313D Excavators Machine Systems
Main Hydraulic Pump - Disassemble
312D and 313D Excavators Machine Systems
Main Hydraulic Pump - Assemble
312D and 313D Excavators Machine Systems
Service Magazine
An Improved Main Pump Shaft Seal is Now Used on Certain Excavators {5070}
2011/10/24

Caterpillar Parts SIS Catalog 312D :

MOUNTING GP-MAIN CONTROL VALVE
278-6664 MOUNTING GP-MAIN CONTROL VALVE
MOTOR GP-TRAVEL
277-6697 MOTOR GP-TRAVEL
MOTOR GP-SWING
170-9893 MOTOR GP-SWING
MANIFOLD GP-CONTROL
239-8998 MANIFOLD GP-CONTROL
MANIFOLD GP-CONTROL
239-8697 MANIFOLD GP-CONTROL
215-5037 MANIFOLD GP-CONTROL
LINES GP-TRAVEL MOTOR
278-6512 LINES GP-TRAVEL MOTOR
LINES GP-TRAVEL MOTOR
278-6511 LINES GP-TRAVEL MOTOR
PUMP & MTG GP-MAIN HYDRAULIC
279-7721 PUMP & MTG GP-MAIN HYDRAULIC
PUMP GP-MAIN HYDRAULIC
311-7404 PUMP GP-MAIN HYDRAULIC
SCREEN GP-HYDRAULIC
274-2726 SCREEN GP-HYDRAULIC
SPOOL GP-CONTROL VALVE
197-0173 SPOOL GP-CONTROL VALVE
SPOOL GP-CONTROL VALVE
197-0211 SPOOL GP-CONTROL VALVE
SPOOL GP-CONTROL VALVE
197-0213 SPOOL GP-CONTROL VALVE
SPOOL GP-CONTROL VALVE
197-0217 SPOOL GP-CONTROL VALVE
SPOOL GP-CONTROL VALVE
285-1504 SPOOL GP-CONTROL VALVE
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