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155-9248 PUMP GP-PISTON S/N 2NW1-UP PART OF 131-8848 PUMP & MTG GP-HYDRAULIC FAN 345B EXCAVATOR


HYDRAULIC SYSTEM
PUMP GP
MOTOR GP
PUMP GP

EXCAVATOR 345B EXCAVATOR 2NW
 345B Excavator 2NW00001-UP (MACHINE) POWERED BY 3176C Engine SEBP2825 345B 2NW   (1998)

HYDRAULIC SYSTEM

PUMP GP
PUMP GP-MAIN HYDRAULIC
176-5072 PUMP GP-MAIN HYDRAULIC
PUMP GP-PISTON
155-9128 PUMP GP-PISTON
PUMP GP-PISTON
155-9248 PUMP GP-PISTON
ROTATING GP-PUMP
142-5519 ROTATING GP-PUMP
ROTATING GP-PUMP
142-5520 ROTATING GP-PUMP
ROTATING GP-PUMP
155-9111 ROTATING GP-PUMP
 

#SEBP28250370
 

155-9248: PUMP GP-PISTON

155-9248 PUMP GP-PISTON
S/N 2NW1-UP
PART OF 131-8848 PUMP & MTG GP-HYDRAULIC FAN
i01009322 SEBP2825
1559248 PUMP GP-PISTON Parts scheme
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Parts for your 345B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 155-9128 Y [1] PUMP GP-PISTON (HYDRAULIC FAN)  
2. 155-9146 Y [1] VALVE GP-PUMP CONTROL (PRESSURE, FLOW COMPENSATOR)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP28250371
 

126-2045: ROTATING GP-MOTOR

126-2045 ROTATING GP-MOTOR
S/N 2NW1-UP
PART OF 137-3791 MOTOR GP-TRAVEL
i00513774 SEBP2825
1262045 ROTATING GP-MOTOR Parts scheme
  For full view, you need register

Parts for your 345B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6I-6998 [1] COVER  
2. 7I-0041 [1] SEAL-LIP TYPE  
3. 095-0929 [1] RING-RETAINING  
4. 118-4140 M [2] SCREW (M5X0.8X19-MM)  
5. 107-6547 [1] PLATE  
6. 7I-0004 [1] SPRING  
7. 7I-0037 B [1] SHIM (0.6-MM THK)  
8. 7I-0038 B [2] SHIM (0.8-MM THK)  
9. 7I-0039 B [1] SHIM (1-MM THK)  
10. 7I-0040 B [1] SHIM (1.2-MM THK)  
11. 7I-0003 [1] BEARING-ROLLER  
12. 200-3570 [3] PIN  
13. 6I-6994 [1] SHAFT  
14. 7I-7558 [1] BARREL AS  
  [1] PLATE-VALVE  
15. 111-9915 [1] PISTON AS  
16. 6I-6997 [1] GUIDE  
17. 126-2044 [1] RETAINER  
18. 7I-0001 [1] PLATE  
19. 116-3576 [2] PLATE  
20. 7I-0002 [1] BEARING-ROLLER  
21. 5H-6734 [1] SEAL-O-RING  
22. 6V-5202 [1] RING  
23. 122-5331 B [1] SHIM (1-MM THK)  
  B   USE AS REQUIRED
  M   METRIC PART
 

#SEBP28250372
 

142-5519: ROTATING GP-PUMP

142-5519 ROTATING GP-PUMP
S/N 2NW1-UP
PART OF 126-2146 PUMP GP-MAIN HYDRAULIC
i00906098 SEBP2825
1425519 ROTATING GP-PUMP Parts scheme
  For full view, you need register

Parts for your 345B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5I-4479 [1] NUT  
2. 5I-4478 [1] BEARING AS  
3. 5I-4480 B [1] SHIM (6.2-MM THK)  
  5I-4481 B [1] SHIM (6.3-MM)  
  5I-4482 B [1] SHIM (6.4-MM THK)  
  5I-4483 B [1] SHIM (6.5-MM THK)  
  5I-4484 B [1] SHIM (6.6-MM THK)  
4. 5I-4477 [1] BEARING AS  
5. 5I-4475 [1] SHAFT-DRIVE  
6. 142-5520 Y [1] ROTATING GP-PUMP  
7. 5I-4476 [1] PLATE-VALVE  
  B   USE AS REQUIRED
  Y   SEPARATE ILLUSTRATION
 

#SEBP28250373
 

142-5520: ROTATING GP-PUMP

142-5520 ROTATING GP-PUMP
S/N 2NW1-UP
PART OF 142-5519, 159-7670, 176-5069, 176-5070 ROTATING GP-PUMP
i00906126 SEBP2825
1425520 ROTATING GP-PUMP Parts scheme
  For full view, you need register

Parts for your 345B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5I-8403 [4] WASHER-SPRING  
2. 5I-4311 [1] CYLINDER  
3. 5I-8404 [1] PLATE-RETAINING  
4. 113-4420 M [14] SCREW (M6X20-MM)  
5. 5I-4403 [1] PIN-CENTER  
6. 5I-8401 [7] PISTON  
7. 5I-8402 [14] RING  
8. 5I-8405 B [1] SPACER (9.75-MM THK)  
  5I-8406 B [1] SPACER (9.85-MM THK)  
  5I-8407 B [1] SPACER (9.95-MM THK)  
  5I-8408 B [1] SPACER (10.05-MM THK)  
  5I-8409 B [1] SPACER (10.15-MM THK)  
  5I-8410 B [1] SPACER (10.25-MM THK)  
  5I-8411 B [1] SPACER (10.35-MM THK)  
  5I-8412 B [1] SPACER (10.45-MM THK)  
  5I-8413 B [1] SPACER (10.55-MM THK)  
  B   USE AS REQUIRED
  M   METRIC PART
 

#SEBP28250374
 

155-9111: ROTATING GP-PUMP

155-9111 ROTATING GP-PUMP -HYDRAULIC FAN
S/N 2NW1-UP
PART OF 155-9107 MOTOR GP-PISTON
i00854886 SEBP2825
1559111 ROTATING GP-PUMP Parts scheme
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Parts for your 345B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 155-9114 [1] PLATE  
2. 155-9149 [1] RING-RETAINING  
3. 155-9113 [1] BARREL  
4. 155-9117 [1] SPRING  
5. 155-9119 [1] PLATE  
6. 155-9118 [3] PIN  
7. 155-9112 [9] PISTON AS  
8. 155-9115 [1] PLATE  
9. 155-9116 [1] GUIDE-BALL  
 

#SEBP28250375
 

155-9135: ROTATING GP-PUMP

155-9135 ROTATING GP-PUMP
S/N 2NW1-UP
PART OF 155-9128 PUMP GP-PISTON
i00952115 SEBP2825
1559135 ROTATING GP-PUMP Parts scheme
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Parts for your 345B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 155-9137 [2] PLATE  
2. 155-9149 [1] RING-RETAINING  
3. 155-9136 [1] BARREL  
4. 155-9117 [1] SPRING  
5. 155-9119 [1] PLATE  
6. 155-9118 [3] PIN  
7. 155-9112 [9] PISTON AS  
8. 155-9115 [1] PLATE  
9. 155-9116 [1] GUIDE-BALL  
 

#SEBP28250376
 

159-7670: ROTATING GP-PUMP

159-7670 ROTATING GP-PUMP
S/N 2NW1-UP
PART OF 126-2146 PUMP GP-MAIN HYDRAULIC
i01021887 SEBP2825
1597670 ROTATING GP-PUMP Parts scheme
  For full view, you need register

Parts for your 345B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5I-4479 [1] NUT  
2. 5I-4478 [1] BEARING AS  
3. 5I-4480 B [1] SHIM (6.2-MM THK)  
  5I-4481 B [1] SHIM (6.3-MM)  
  5I-4482 B [1] SHIM (6.4-MM THK)  
  5I-4483 B [1] SHIM (6.5-MM THK)  
  5I-4484 B [1] SHIM (6.6-MM THK)  
4. 5I-4477 [1] BEARING AS  
5. 5I-4485 [1] SHAFT-PINION  
6. 142-5520 Y [1] ROTATING GP-PUMP  
7. 5I-4486 [1] PLATE-VALVE  
  B   USE AS REQUIRED
  Y   SEPARATE ILLUSTRATION
 

#SEBP28250377
 

176-5069: ROTATING GP-PUMP

176-5069 ROTATING GP-PUMP
S/N 2NW1-UP
PART OF 176-5072 PUMP GP-MAIN HYDRAULIC
i01517859 SEBP2825
1765069 ROTATING GP-PUMP Parts scheme
  For full view, you need register

Parts for your 345B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 176-5068 [1] NUT  
2. 5I-4478 [1] BEARING AS  
3. 5I-4480 B [1] SHIM (6.2-MM THK)  
4. 5I-4477 [1] BEARING AS  
5. 5I-4475 [1] SHAFT-DRIVE  
6. 142-5520 Y [1] ROTATING GP-PUMP  
7. 5I-4476 [1] PLATE-VALVE  
8. 5I-4481 B [1] SHIM (6.3-MM)  
9. 5I-4482 B [1] SHIM (6.4-MM THK)  
10. 5I-4483 B [1] SHIM (6.5-MM THK)  
11. 5I-4484 B [1] SHIM (6.6-MM THK)  
  B   USE AS REQUIRED
  Y   SEPARATE ILLUSTRATION
 

#SEBP28250378
 

176-5070: ROTATING GP-PUMP

176-5070 ROTATING GP-PUMP
S/N 2NW1-UP
PART OF 176-5072 PUMP GP-MAIN HYDRAULIC
i01517723 SEBP2825
1765070 ROTATING GP-PUMP Parts scheme
  For full view, you need register

Parts for your 345B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 176-5068 [1] NUT  
2. 5I-4478 [1] BEARING AS  
3. 5I-4480 B [1] SHIM (6.2-MM THK)  
4. 5I-4477 [1] BEARING AS  
5. 5I-4485 [1] SHAFT-PINION  
6. 142-5520 Y [1] ROTATING GP-PUMP  
7. 5I-4486 [1] PLATE-VALVE  
8. 5I-4481 B [1] SHIM (6.3-MM)  
9. 5I-4482 B [1] SHIM (6.4-MM THK)  
10. 5I-4483 B [1] SHIM (6.5-MM THK)  
11. 5I-4484 B [1] SHIM (6.6-MM THK)  
  B   USE AS REQUIRED
  Y   SEPARATE ILLUSTRATION
 

#SEBP28250379
 

5I-4406: ROTATING GP-PUMP

5I-4406 ROTATING GP-PUMP
S/N 2NW1-UP
PART OF 5I-4413 ROTATING GP-PUMP
i00383591 SEBP2825
5I4406 ROTATING GP-PUMP Parts scheme
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Parts for your 345B EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5I-8405 B [1] SPACER (9.75-MM THK)  
2. 5I-8402 [14] RING  
3. 5I-8403 [4] WASHER-SPRING  
4. 5I-4311 [1] CYLINDER  
5. 5I-8404 [1] PLATE-RETAINING  
6. 9T-2967 M [14] SCREW-MACHINE  
7. 5I-4403 [1] PIN-CENTER  
8. 5I-8401 [7] PISTON  
9. 5I-8406 B [1] SPACER (9.85-MM THK)  
10. 5I-8407 B [1] SPACER (9.95-MM THK)  
11. 5I-8408 B [1] SPACER (10.05-MM THK)  
12. 5I-8409 B [1] SPACER (10.15-MM THK)  
13. 5I-8410 B [1] SPACER (10.25-MM THK)  
14. 5I-8411 B [1] SPACER (10.35-MM THK)  
15. 5I-8412 B [1] SPACER (10.45-MM THK)  
16. 5I-8413 B [1] SPACER (10.55-MM THK)  
  B   USE AS REQUIRED
  M   METRIC PART
 

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
Correct the Flow Meter Tool Layout in Systems Operation/Testing and Adjusting, RENR1020 {5050}
1999/12/06
The Rotating Group of the Main Hydraulic Pump Is Improved {5070}
2000/07/10
The Main Hydraulic Pump Regulator Is Improved {3222}
2000/11/06
Correction of the Disassembly and Assembly Manual for the Installation of the Main Hydraulic Pump and Pump Drive Coupling {5062, 5070}
2000/11/06
New Seal Kits Are Available for the Hydraulic Pumps on Material Handlers {5073}
2001/02/26
The Rotating Group of the Remanufactured Main Hydraulic Pump Is Improved {5070}
2004/12/06
Cover Plate, Flange are Available for Use During Flow Tests on the Main Hydraulic Pumps {0738, 5070, 5084}
2005/04/25

Caterpillar Parts SIS Catalog 345B :

PUMP GP-PISTON
155-9128 PUMP GP-PISTON
PUMP GP-MAIN HYDRAULIC
176-5072 PUMP GP-MAIN HYDRAULIC
PUMP GP-MAIN HYDRAULIC
126-2146 PUMP GP-MAIN HYDRAULIC
PUMP GP-MAIN HYDRAULIC
126-2146 PUMP GP-MAIN HYDRAULIC
PUMP GP-MAIN HYDRAULIC
123-1993 PUMP GP-MAIN HYDRAULIC
PUMP GP-MAIN HYDRAULIC
123-1993 PUMP GP-MAIN HYDRAULIC
PUMP GP-GEAR
149-5905 PUMP GP-GEAR
PUMP GP-GEAR
133-6912 PUMP GP-GEAR
ROTATING GP-MOTOR
126-2045 ROTATING GP-MOTOR
ROTATING GP-PUMP
142-5519 ROTATING GP-PUMP
ROTATING GP-PUMP
142-5520 ROTATING GP-PUMP
ROTATING GP-PUMP
155-9111 ROTATING GP-PUMP
ROTATING GP-PUMP
155-9135 ROTATING GP-PUMP
ROTATING GP-PUMP
159-7670 ROTATING GP-PUMP
ROTATING GP-PUMP
176-5069 ROTATING GP-PUMP
ROTATING GP-PUMP
176-5070 ROTATING GP-PUMP

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