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374-5964 MOTOR GP-TRAVEL S/N DLP617-617 REFER TO SEDP1376 PART OF 374-5972 DRIVE GP-FINAL FIELD REPLACEMENT ORDER @@@@@357-1821@@@@@ FIELD REPLACEMENT FOR @@@@@277-6697@@@@@ 312D


HYDRAULIC SYSTEM
MOTOR GP
MOUNTING GP
PUMP GP
FILTER GP
VALVE GP-CONTROL

EXCAVATOR 312D EXCAVATOR DLP
 312D Excavator DLP00001-UP (MACHINE) POWERED BY C4.2 Engine SEBP5370 312D DLP   (2008)

HYDRAULIC SYSTEM

MOTOR GP
MOTOR GP-SWING
170-9893 MOTOR GP-SWING
MOTOR GP-TRAVEL
277-6697 MOTOR GP-TRAVEL
MOTOR GP-TRAVEL
374-5964 MOTOR GP-TRAVEL
VALVE GP-TRAVEL COUNTERBALANCE
303-4484 VALVE GP-TRAVEL COUNTERBALANCE
VALVE GP-TRAVEL COUNTERBALANCE
349-9520 VALVE GP-TRAVEL COUNTERBALANCE
 

#SEBP53700530
 

374-5964: MOTOR GP-TRAVEL

374-5964 MOTOR GP-TRAVEL
S/N DLP617-617
REFER TO SEDP1376
PART OF 374-5972 DRIVE GP-FINAL
FIELD REPLACEMENT ORDER @@@@@357-1821@@@@@
FIELD REPLACEMENT FOR @@@@@277-6697@@@@@
i04629713 SEBP5370
3745964 MOTOR GP-TRAVEL Parts scheme 3745964 MOTOR GP-TRAVEL Parts scheme
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Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7Y-4224 [1] ORIFICE  
2. 085-9769 [4] PIN  
3. 087-4742 [1] VALVE  
4. 095-1585 [1] SEAL-O-RING  
5. 095-7380 [1] SPRING  
6. 095-7382 [1] RETAINER  
7. 096-1519 [1] SEAT  
8. 165-2799 [9] SPRING  
9. 165-5803 [1] SHAFT  
10. 165-5804 [1] BEARING-ROLLER  
11. 165-5811 [1] BARREL AS  
12. 165-5814 [4] PLATE-SEPARATOR  
13. 165-5816 [1] GUIDE-PISTON  
14. 165-5817 [1] PISTON-BRAKE  
15. 165-5818 [8] SPRING  
16. 165-5826 [1] SEAL-LIP TYPE  
17. 165-5828 [2] KEY  
18. 165-5831 [2] SPRING  
19. 176-8131 [1] SPACER-SPECIAL  
20. 176-8571 [1] BODY  
21. 176-8573 [4] PLATE-FRICTION  
22. 176-8579 [1] PLATE-CAM  
23. 267-8084 [1] BEARING-NEEDLE  
24. 353-5829 [1] GUIDE-BALL  
25. 349-9520 Y [1] VALVE GP-TRAVEL COUNTERBALANCE  
26. 374-4171 [2] PISTON  
27. 8T-4240 [1] RING-RETAINING  
28. 357-1832 [1] PISTON AS  
29. 094-1875 [1] DOWEL  
30. 094-1882 [7] PLUG  
31. 8T-4944 M [9] BOLT-SOCKET HEAD (M16X2X40-MM)  
32. 165-5819 [1] SEAL-O-RING  
33. 165-5820 [1] RING-BACKUP  
34. 165-5821 [1] SEAL-O-RING  
35. 165-5822 [1] RING-BACKUP  
36. 165-5823 [1] SEAL-O-RING  
37. 165-5824 [1] RING-BACKUP  
38. 1H-8278 [1] SEAL-O-RING  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP53700531
 

278-6664: MOUNTING GP-MAIN CONTROL VALVE

278-6664 MOUNTING GP-MAIN CONTROL VALVE
S/N DLP1-UP
PART OF 270-5864 HYDRAULIC AR
i02807824 SEBP5370
2786664 MOUNTING GP-MAIN CONTROL VALVE Parts scheme
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Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 178-6450 [4] SPACER (17X35X30-MM THK)  
2. 278-6573 [1] SUPPORT AS  
3. 278-6810 [1] SUPPORT AS  
4. 7X-2552 M [3] BOLT (M16X2X30-MM)  
5. 8T-4140 M [4] BOLT (M16X2X60-MM)  
6. 9X-8257 [3] WASHER (17.5X30X3.5-MM THK)  
  M   METRIC PART
 

#SEBP53700532
 

259-0917: PUMP & MTG GP-AUXILIARY

259-0917 PUMP & MTG GP-AUXILIARY -MEDIUM PRESSURE
S/N DLP1-UP
PART OF 270-6119 CONTROL AR-AUXILIARY, 301-2691 INSTALLATION AR-BLADE
AN ATTACHMENT
i02749965 SEBP5370
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 J [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)  
   
    AVAILABLE REPAIR KIT(S):
  353-5511 J [1] KIT-SEAL (GEAR PUMP)  
    (INCLUDES GASKETS, LIPTYPE SEAL & RETAINING RINGS)
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP53700533
 

342-1891: PUMP & MTG GP-AUXILIARY

342-1891 PUMP & MTG GP-AUXILIARY
S/N DLP1-UP
PART OF 389-2433 CONTROL AR-AUXILIARY, 385-4069 INSTALLATION AR-BLADE
AN ATTACHMENT
i04427663 SEBP5370
3421891 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. 342-1905 [1] SPACER  
2. 349-4069 Y [1] PUMP GP-GEAR (AUXILIARY)  
3. 222-2062 [1] COUPLING  
4. 273-8315 [1] SEAL-O-RING  
5. 8T-4121 [2] WASHER-HARD (11X21X2.5-MM THK)  
6. 8T-6466 M [2] BOLT (M10X1.5X60-MM)  
7. 095-1663 [1] SEAL-O-RING  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP53700534
 

279-7721: PUMP & MTG GP-MAIN HYDRAULIC

279-7721 PUMP & MTG GP-MAIN HYDRAULIC
S/N DLP1-UP
PART OF 270-5864 HYDRAULIC AR
i02809006 SEBP5370
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
 

#SEBP53700535
 

349-4069: PUMP GP-GEAR

349-4069 PUMP GP-GEAR
S/N DLP1-UP
PART OF 342-1891 PUMP & MTG GP-AUXILIARY
AN ATTACHMENT
i04428247 SEBP5370
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Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
    (NO BREAKDOWN OF SERVICEABLE PARTS AVAILABLE AT TIME OF PUBLICATION)
 

#SEBP53700536
 

311-7404: PUMP GP-MAIN HYDRAULIC

311-7404 PUMP GP-MAIN HYDRAULIC
S/N DLP1-UP
PART OF 279-7721 PUMP & MTG GP-MAIN HYDRAULIC
i02809005 SEBP5370
3117404 PUMP GP-MAIN HYDRAULIC Parts scheme 3117404 PUMP GP-MAIN HYDRAULIC Parts scheme 3117404 PUMP GP-MAIN HYDRAULIC Parts scheme
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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 [1] PUMP GP-GEAR (BLADE)  
  327-8740 [1] KIT-SEAL (GEAR PUMP)(GEAR PUMP)  
    (INCLUDES RING, GASKET & SEALS)
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)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP53700537
 

274-2726: SCREEN GP-HYDRAULIC

274-2726 SCREEN GP-HYDRAULIC -TANK
S/N DLP1-UP
PART OF 278-6662 TANK & FILTER GP-HYDRAULIC
i02817240 SEBP5370
2742726 SCREEN GP-HYDRAULIC Parts scheme
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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)  
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
 

#SEBP53700538
 

197-0173: SPOOL GP-CONTROL VALVE

197-0173 SPOOL GP-CONTROL VALVE -WORK TOOL
S/N DLP1-UP
PART OF 297-0374 VALVE GP-CONTROL, 270-5866, 420-2241 VALVE GP-MAIN CONTROL
ALSO AN ATTACHMENT
i01463920 SEBP5370
1970173 SPOOL GP-CONTROL VALVE Parts scheme
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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  
 

#SEBP53700539
 

197-0211: SPOOL GP-CONTROL VALVE

197-0211 SPOOL GP-CONTROL VALVE -STICK I
S/N DLP1-UP
PART OF 270-5866 VALVE GP-MAIN CONTROL
ALSO AN ATTACHMENT
i01463949 SEBP5370
1970211 SPOOL GP-CONTROL VALVE Parts scheme
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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  
 

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}
Rework Procedure of the Valve for the Parking Brake Delay Timer for 311D, 312D, 313D and 314D CR Excavators{4351, 5058}
Rework Procedure of the Valve for the Parking Brake Delay Timer for 311D, 312D, 313D and 314D CR Excavators{4351, 5058}
Rework Procedure for the Swing Motor Bushing on Certain 311D through 314D and 312E Excavators{5058}
Rework Procedure for the Swing Motor Bushing on Certain 311D through 314D and 312E Excavators{5058}
Service Letter-NACD
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SWING MOTOR BUSHING ON CERTAIN 312D, 312GC, 312E, AND 313D EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SWING MOTOR BUSHING ON CERTAIN 312D, 312GC, 312E, AND 313D EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE SWING MOTOR DRAIN LINE ON CERTAIN 312D, 312D GC, 312D LC, 312E, 312E L, AND 313D EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE SWING MOTOR DRAIN LINE ON CERTAIN 312D, 312D GC, 312D LC, 312E, 312E L, AND 313D EXCAVATORS
Service Letter-Australia
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SWING MOTOR BUSHING ON CERTAIN 312D, 312GC, 312E, AND 313D EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SWING MOTOR BUSHING ON CERTAIN 312D, 312GC, 312E, AND 313D EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE SWING MOTOR DRAIN LINE ON CERTAIN 312D, 312D GC, 312D LC, 312E, 312E L, AND 313D EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE SWING MOTOR DRAIN LINE ON CERTAIN 312D, 312D GC, 312D LC, 312E, 312E L, AND 313D EXCAVATORS
Service Letter-CFEL
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SWING MOTOR BUSHING ON CERTAIN 312D, 312GC, 312E, AND 313D EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SWING MOTOR BUSHING ON CERTAIN 312D, 312GC, 312E, AND 313D EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE SWING MOTOR DRAIN LINE ON CERTAIN 312D, 312D GC, 312D LC, 312E, 312E L, AND 313D EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE SWING MOTOR DRAIN LINE ON CERTAIN 312D, 312D GC, 312D LC, 312E, 312E L, AND 313D EXCAVATORS
Service Letter-CSARL
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SWING MOTOR BUSHING ON CERTAIN 312D, 312GC, 312E, AND 313D EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SWING MOTOR BUSHING ON CERTAIN 312D, 312GC, 312E, AND 313D EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE SWING MOTOR DRAIN LINE ON CERTAIN 312D, 312D GC, 312D LC, 312E, 312E L, AND 313D EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE SWING MOTOR DRAIN LINE ON CERTAIN 312D, 312D GC, 312D LC, 312E, 312E L, AND 313D EXCAVATORS
Service Letter-Americas
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SWING MOTOR BUSHING ON CERTAIN 312D, 312GC, 312E, AND 313D EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SWING MOTOR BUSHING ON CERTAIN 312D, 312GC, 312E, AND 313D EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE SWING MOTOR DRAIN LINE ON CERTAIN 312D, 312D GC, 312D LC, 312E, 312E L, AND 313D EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE SWING MOTOR DRAIN LINE ON CERTAIN 312D, 312D GC, 312D LC, 312E, 312E L, AND 313D EXCAVATORS
Specifications
Travel Counterbalance Valve
312D and 313D Excavators Machine System Specifications
Swing Motor
312D and 313D Excavators Machine System Specifications
Travel Motor Guard
312D and 313D Excavators Machine System Specifications
Travel Motor
312D and 313D Excavators Machine System Specifications
Fasteners
312D and 313D Excavators Machine System Specifications
Travel Motor
312D and 313D Excavators 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}
Service Letter-China
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SWING MOTOR BUSHING ON CERTAIN 312D, 312GC, 312E, AND 313D EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SWING MOTOR BUSHING ON CERTAIN 312D, 312GC, 312E, AND 313D EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE SWING MOTOR DRAIN LINE ON CERTAIN 312D, 312D GC, 312D LC, 312E, 312E L, AND 313D EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE SWING MOTOR DRAIN LINE ON CERTAIN 312D, 312D GC, 312D LC, 312E, 312E L, AND 313D EXCAVATORS
Service Letter-Asia
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SWING MOTOR BUSHING ON CERTAIN 312D, 312GC, 312E, AND 313D EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SWING MOTOR BUSHING ON CERTAIN 312D, 312GC, 312E, AND 313D EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE SWING MOTOR DRAIN LINE ON CERTAIN 312D, 312D GC, 312D LC, 312E, 312E L, AND 313D EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE SWING MOTOR DRAIN LINE ON CERTAIN 312D, 312D GC, 312D LC, 312E, 312E L, AND 313D EXCAVATORS
Systems Operation
Travel Motor
312D and 313D Excavators Hydraulic System
Displacement Change Valve
312D and 313D Excavators Hydraulic System
Travel Counterbalance Valve
312D and 313D Excavators Hydraulic System
Swing Motor
312D and 313D Excavators Hydraulic System
Swing Hydraulic System
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}
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}
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}
Service Letter-APD
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SWING MOTOR BUSHING ON CERTAIN 312D, 312GC, 312E, AND 313D EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE SWING MOTOR BUSHING ON CERTAIN 312D, 312GC, 312E, AND 313D EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE SWING MOTOR DRAIN LINE ON CERTAIN 312D, 312D GC, 312D LC, 312E, 312E L, AND 313D EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE SWING MOTOR DRAIN LINE ON CERTAIN 312D, 312D GC, 312D LC, 312E, 312E L, AND 313D EXCAVATORS
Testing and Adjusting
Machine Drift on a Slope - Check
312D and 313D Excavators Hydraulic System
Swing Motor - Test - Measurement of Case Drain Oil
312D and 313D Excavators Hydraulic System
Travel on Level Ground - Test
312D and 313D Excavators Hydraulic System
Travel on Level Ground - Test - Optional Test
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
Travel Motor - Test - Measurement of Case Drain Oil
312D and 313D Excavators Hydraulic System
Relief Valve (Crossover) - Test and Adjust
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}
Disassembly and Assembly
Swing Motor - Disassemble
312D and 313D Excavators Machine Systems
Swing Motor - Assemble
312D and 313D Excavators Machine Systems
Final Drive and Travel Motor - Remove
312D and 313D Excavators Machine Systems
Final Drive and Travel Motor - Install
312D and 313D Excavators Machine Systems
Swing Motor - Remove
312D and 313D Excavators Machine Systems
Swing Motor - Install
312D and 313D Excavators Machine Systems
Final Drive and Travel Motor - Disassemble
312D and 313D Excavators Machine Systems
Final Drive and Travel Motor - Assemble
312D and 313D Excavators Machine Systems
Service Magazine
A New Travel Counterbalance Valve Improves the Control of the Downhill Travel Speed on Certain Excavators and Mobile Hydraulic Power Units {4050, 4351, 5051, 5811}
2011/12/23
A New Body for the Travel Motor is Now Used on Certain Excavators and Mobile Hydraulic Power Units {4351, 5058}
2012/05/25
Improvements have been Made to the Valve for the Parking Brake Delay Timer on Certain 311D to 314E Excavators {5058, 5811}
2013/12/06
An Improved Swing Motor is Now Used for Certain Excavators {5058}
2013/10/21

Caterpillar Parts SIS Catalog 312D :

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
278-6511 LINES GP-TRAVEL MOTOR
LINES GP-STICK CYLINDER
385-2830 LINES GP-STICK CYLINDER
LINES GP-STICK CYLINDER
194-8989 LINES GP-STICK CYLINDER
MOUNTING GP-MAIN CONTROL VALVE
278-6664 MOUNTING GP-MAIN CONTROL VALVE
PUMP & MTG GP-AUXILIARY
259-0917 PUMP & MTG GP-AUXILIARY
PUMP & MTG GP-AUXILIARY
342-1891 PUMP & MTG GP-AUXILIARY
PUMP & MTG GP-MAIN HYDRAULIC
279-7721 PUMP & MTG GP-MAIN HYDRAULIC
349-4069 PUMP GP-GEAR
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
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