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131-8848 PUMP & MTG GP-HYDRAULIC FAN S/N 2NW1-UP PART OF 146-2633 HYDRAULIC AR 345B EXCAVATOR




HYDRAULIC SYSTEM

PUMP GP
 

#SEBP28250360
 

131-8848: PUMP & MTG GP-HYDRAULIC FAN

131-8848 PUMP & MTG GP-HYDRAULIC FAN
S/N 2NW1-UP
PART OF 146-2633 HYDRAULIC AR
i00664475 SEBP2825
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Parts for your 345B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 222-8283 [1] GEAR AS (42-TEETH)  
  147-7131 [1] GEAR (42-TEETH)  
  222-8288 [1] BALL BEARING  
2. 147-7059 [1] FLANGE  
3. 6V-8467 [1] SEAL-O-RING  
4. 8T-4139 M [2] BOLT (M12X1.75X30-MM)  
5. 8T-4223 [5] WASHER-HARD (13.5X25.5X3-MM THK)  
6. 155-9248 Y [1] PUMP GP-PISTON  
7. 8T-4183 M [3] BOLT (M12X1.75X40-MM)  
8. 2K-4821 [1] LOCKNUT (5/8-18-THD)  
9. 8T-4122 [1] WASHER-HARD (17X32X3.5-MM THK)  
10. 117-0219 [1] GASKET  
11. 8T-4137 M [2] BOLT (M10X1.5X20-MM)  
12. 7X-7729 [4] WASHER (11X25X3-MM THK)  
13. 139-8721 [1] SUPPORT  
14. 8T-4196 M [2] BOLT (M10X1.5X35-MM)  
15. 4N-0205 [2] SPACER (0.42X0.75X0.6-IN THK)  
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP28250361
 

141-8462: PUMP & MTG GP-MAIN HYDRAULIC

141-8462 PUMP & MTG GP-MAIN HYDRAULIC
S/N 2NW1-UP
PART OF 146-2633 HYDRAULIC AR
i00502611 SEBP2825
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Parts for your 345B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 123-1993 Y [1] PUMP GP-MAIN HYDRAULIC  
2. 141-8463 Y [1] COUPLING GP-PUMP  
3. 8T-8916 [7] BOLT (7/16-14X1.5-IN)  
4. 8T-5360 [7] WASHER (12X22.5X2.5-MM THK)  
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP28250362
 

133-6912: PUMP GP-GEAR

133-6912 PUMP GP-GEAR
S/N 2NW1-UP
PART OF 126-2146, 176-5072 PUMP GP-MAIN HYDRAULIC
i00503518 SEBP2825
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Parts for your 345B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2H-6184 [1] SEAL-O-RING  
2. 6V-3922 [1] SEAL-O-RING  
3. 7J-9933 [1] SEAL-O-RING  
4. 8T-4136 M [2] BOLT (M10X1.5X25-MM)  
  M   METRIC PART
 

#SEBP28250363
 

149-5905: PUMP GP-GEAR

149-5905 PUMP GP-GEAR
S/N 2NW1-UP
PART OF 150-8345 LINES GP-MATERIAL HANDLING
i05813613 SEBP2825
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Parts for your 345B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 008-3214 J [1] RING-RETAINING (INTERNAL)  
2. 7R-6934 J [1] SEAL (OUTER)  
3. 7R-6933 J [1] SEAL (INNER)  
4. 054-6951 [1] PLATE-WEAR (FRONT)  
5. 054-6949 [1] PLATE-WEAR (REAR)  
6. 5P-8246 [8] WASHER-HARD (15.5X29X3-MM THK)  
7. 5B-3254 [8] NUT-JAM (7/16-20-THD)  
8. 9T-1437 J [1] KIT-PLUG (HYDRAULIC PUMP)  
   
    AVAILABLE REPAIR KIT(S):
  054-6954 J [1] KIT-SEAL (GEAR PUMP)  
    (ALSO INCLUDES GLAND SEAL)
  J   KIT MARKED J INCLUDES PART(S) MARKED J
 

#SEBP28250364
 

123-1993: PUMP GP-MAIN HYDRAULIC

123-1993 PUMP GP-MAIN HYDRAULIC
S/N 2NW1-UP
PART OF 141-8462 PUMP & MTG GP-MAIN HYDRAULIC
Type 1
i00513932 SEBP2825
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Parts for your 345B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 126-2146 Y [1] PUMP GP-MAIN HYDRAULIC  
2. 137-3815 Y [1] HEAD GP-PUMP  
3. 5I-4410 [1] PLATE AS  
4. 2D-8009 [1] SEAL-O-RING  
5. 8T-8441 M [4] BOLT-SOCKET HEAD (M12X1.75X25-MM)  
   
    AVAILABLE REPAIR KIT(S):
  133-6901 [1] KIT-SEAL  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP28250365
 

123-1993: PUMP GP-MAIN HYDRAULIC

123-1993 PUMP GP-MAIN HYDRAULIC
S/N 2NW1-UP
PART OF 141-8462 PUMP & MTG GP-MAIN HYDRAULIC
Type 2
i01282083 SEBP2825
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Parts for your 345B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 176-5072 Y [1] PUMP GP-MAIN HYDRAULIC  
2. 137-3815 Y [1] HEAD GP-PUMP  
3. 5I-4410 [1] PLATE AS  
4. 2D-8009 [1] SEAL-O-RING  
  5I-8455 [1] PLATE  
5. 8T-8441 M [4] BOLT-SOCKET HEAD (M12X1.75X25-MM)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP28250366
 

126-2146: PUMP GP-MAIN HYDRAULIC

126-2146 PUMP GP-MAIN HYDRAULIC
S/N 2NW1-UP
PART OF 123-1993 PUMP GP-MAIN HYDRAULIC
Type 1
i00513944 SEBP2825
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Parts for your 345B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5I-4413 Y [1] ROTATING GP-PUMP  
2. 5I-4471 [1] PLUG  
3. 142-5519 Y [1] ROTATING GP-PUMP  
4. 6E-1572 [1] SEAL-LIP TYPE  
5. 5I-4468 [1] COVER  
6. 6V-5202 [1] RING  
7. 5H-6734 [1] SEAL-O-RING  
8. 126-2148 [1] HOUSING  
9. 133-6912 Y [1] PUMP GP-GEAR  
10. 5I-4470 [1] SHAFT  
11. 5I-4472 [2] BEARING AS  
12. 7Y-5270 [1] KEY  
13. 5I-4469 [1] GEAR  
14. 081-3801 [2] PLUG AS  
15. 9T-3931 [1] PLUG  
  Y   SEPARATE ILLUSTRATION
 

#SEBP28250367
 

126-2146: PUMP GP-MAIN HYDRAULIC

126-2146 PUMP GP-MAIN HYDRAULIC
S/N 2NW1-UP
PART OF 123-1993 PUMP GP-MAIN HYDRAULIC
Type 2
i01021884 SEBP2825
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Parts for your 345B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 159-7670 CY [1] ROTATING GP-PUMP  
2. 5I-4471 [1] PLUG  
3. 142-5519 Y [1] ROTATING GP-PUMP  
4. 6E-1572 [1] SEAL-LIP TYPE  
5. 5I-4468 [1] COVER  
6. 6V-5202 [1] RING  
7. 5H-6734 [1] SEAL-O-RING  
8. 126-2148 [1] HOUSING  
9. 133-6912 Y [1] PUMP GP-GEAR  
10. 5I-4470 [1] SHAFT  
11. 5I-4472 [2] BEARING AS  
12. 7Y-5270 [1] KEY  
13. 5I-4469 [1] GEAR  
14. 081-3801 C [3] PLUG AS  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBP28250368
 

176-5072: PUMP GP-MAIN HYDRAULIC

176-5072 PUMP GP-MAIN HYDRAULIC
S/N 2NW1-UP
PART OF 123-1993 PUMP GP-MAIN HYDRAULIC
i01517830 SEBP2825
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Parts for your 345B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 176-5070 Y [1] ROTATING GP-PUMP  
2. 5I-4471 [1] PLUG  
3. 176-5069 Y [1] ROTATING GP-PUMP  
4. 6E-1572 [1] SEAL-LIP TYPE  
5. 5I-4468 [1] COVER  
6. 9X-6574 [1] RING-RETAINING  
7. 5H-6734 [1] SEAL-O-RING  
8. 126-2148 [1] HOUSING  
9. 133-6912 Y [1] PUMP GP-GEAR  
10. 5I-4470 [1] SHAFT  
11. 5I-4472 [2] BEARING AS  
12. 7Y-5270 [1] KEY  
13. 5I-4469 [1] GEAR  
14. 081-3801 [3] PLUG AS  
  Y   SEPARATE ILLUSTRATION
 

#SEBP28250369
 

155-9128: PUMP GP-PISTON

155-9128 PUMP GP-PISTON
S/N 2NW1-UP
PART OF 155-9248 PUMP GP-PISTON
i00937358 SEBP2825
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Parts for your 345B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8T-9597 [1] RING-RETAINING  
2. 155-9125 [1] BEARING AS-ROLLER  
3. 155-9141 [1] PISTON  
4. 155-9142 [1] GUIDE  
5. 155-9143 [1] SPRING  
6. 155-9124 [1] SHIM  
7. 155-9126 [1] BEARING  
8. 155-9133 [1] KEY  
9. 095-1750 [2] SEAL-O-RING  
10. 155-9144 [1] PIN  
11. 099-3047 [1] DOWEL  
12. 155-9140 [1] GUIDE  
13. 155-9139 [1] PISTON  
14. 155-9131 [1] SWASHPLATE  
15. 155-9127 [1] SEAL  
16. 155-9134 [2] PLATE  
17. 155-9129 [1] HOUSING  
18. 155-9135 Y [1] ROTATING GP-PUMP  
19. 155-9132 [1] SHAFT  
20. 155-9150 [1] SEAL-O-RING  
21. 155-9151 [4] SEAL-O-RING  
22. 9X-6032 M [4] BOLT-SOCKET HEAD (M10X1.5X30-MM)  
23. 155-9130 [1] COVER  
24. 9S-8005 [1] PLUG (3/4-16-THD)  
25. 155-9138 [1] CAP  
26. 155-9145 [1] NUT  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

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}
Service Letter-NACD
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN HYDRAULIC PUMP DUE TO MAIN SHAFT BEARING FAILURE ON CERTAIN 330, 330L, 330N, 330B, 330B L, 330B LN, 345B AND 345B L EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN HYDRAULIC PUMP DUE TO MAIN SHAFT BEARING FAILURE ON CERTAIN 330, 330L, 330N, 330B, 330B L, 330B LN, 345B AND 345B L EXCAVATORS
Service Letter-Australia
Service Letter-CFEL
Service Letter-CSARL
Service Letter-Americas
Technical Information Bulletin
Hydraulic Horsepower Testing
Hydraulic Horsepower Testing
A More Complete Installation Procedure for the Main Hydraulic Pump and Pump Drive Coupling Is Needed
A More Complete Installation Procedure for the Main Hydraulic Pump and Pump Drive Coupling Is Needed
Specifications
Main Hydraulic Pump
345B Excavator and 345B Material Handler Machine System Specifications
Fan Drive Pump - Performance Test
345B Excavator and 345B Material Handler 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}
Service Letter-China
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN HYDRAULIC PUMP DUE TO MAIN SHAFT BEARING FAILURE ON CERTAIN 330, 330L, 330N, 330B, 330B L, 330B LN, 345B AND 345B L EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN HYDRAULIC PUMP DUE TO MAIN SHAFT BEARING FAILURE ON CERTAIN 330, 330L, 330N, 330B, 330B L, 330B LN, 345B AND 345B L EXCAVATORS
Service Letter-Asia
Systems Operation
Pump Control (Main Hydraulic)
345B Excavator Hydraulic System
Gear Pump (Pilot)
345B Excavator Hydraulic System
Solenoid Valve (Proportional Reducing)
345B Excavator Hydraulic System
Main Hydraulic Pump
345B Excavator Hydraulic System
Fan Pump (Hydraulic and Radiator Cooling)
345B Excavator 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}
Service Letter-APD
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN HYDRAULIC PUMP DUE TO MAIN SHAFT BEARING FAILURE ON CERTAIN 330, 330L, 330N, 330B, 330B L, 330B LN, 345B AND 345B L EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE MAIN HYDRAULIC PUMP DUE TO MAIN SHAFT BEARING FAILURE ON CERTAIN 330, 330L, 330N, 330B, 330B L, 330B LN, 345B AND 345B L EXCAVATORS
Testing and Adjusting
Pump Control (Negative Flow) - Adjust
345B Excavator Hydraulic System
Gear Pump (Pilot) - Test
345B Excavator Hydraulic System
Pump Control (Negative Flow) - Test
345B Excavator Hydraulic System
Main Pump (Flow) - Test
345B Excavator Hydraulic System
Pump Control (Output Flow) - Adjust
345B Excavator 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 Hydraulic Piston Pumps{5070}
Bench Test Procedure for Hydraulic Piston Pumps{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
Auxiliary Hydraulic Pump - Remove
345B Excavator Supplement for Material Handler Systems
Auxiliary Hydraulic Pump - Install
345B Excavator Supplement for Material Handler Systems
Auxiliary Hydraulic Pump - Disassemble
345B Excavator Supplement for Material Handler Systems
Auxiliary Hydraulic Pump - Assemble
345B Excavator Supplement for Material Handler Systems
Main Hydraulic Pump - Assemble - Series I
345B, 345B Series II and W345B Series II Excavators Machine Systems
Main Hydraulic Pump - Disassemble - Series I
345B, 345B Series II and W345B Series II Excavators Machine Systems
Engine and Main Hydraulic Pump - Remove
345B, 345B Series II and W345B Series II Excavators Engine Supplement
Engine and Main Hydraulic Pump - Install
345B, 345B Series II and W345B Series II Excavators Engine Supplement
Main Hydraulic Pump and Pump Drive Coupling - Remove
345B, 345B Series II and W345B Series II Excavators Machine Systems
Main Hydraulic Pump and Pump Drive Coupling - Install
345B, 345B Series II and W345B Series II Excavators Machine Systems
Pump Control - Remove
345B, 345B Series II and W345B Series II Excavators Machine Systems
Pump Control - Install
345B, 345B Series II and W345B Series II Excavators Machine Systems
Pump Control - Disassemble
345B, 345B Series II and W345B Series II Excavators Machine Systems
Pump Control - Assemble
345B, 345B Series II and W345B Series II Excavators Machine Systems
Fan Pump - Disassemble
345B, 345B Series II and W345B Series II Excavators Machine Systems
Fan Pump - Assemble
345B, 345B Series II and W345B Series II Excavators Machine Systems
Fan Pump - Remove
345B, 345B Series II and W345B Series II Excavators Machine Systems
Fan Pump - Install
345B, 345B Series II and W345B Series II Excavators Machine Systems
Service Magazine

Caterpillar Parts SIS Catalog 345B :

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