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123-1993 PUMP GP-MAIN HYDRAULIC S/N 4SS1-UP; 9GS1-UP PART OF 141-8462 PUMP & MTG GP-MAIN HYDRAULIC Type 1 345B L




HYDRAULIC SYSTEM

PUMP GP
 

#SEBP26930440
 

123-1993: PUMP GP-MAIN HYDRAULIC

123-1993 PUMP GP-MAIN HYDRAULIC
S/N 4SS1-UP; 9GS1-UP
PART OF 141-8462 PUMP & MTG GP-MAIN HYDRAULIC
Type 1
i00513932 SEBP2693
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Parts for your 345B L 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
 

#SEBP26930441
 

123-1993: PUMP GP-MAIN HYDRAULIC

123-1993 PUMP GP-MAIN HYDRAULIC
S/N 4SS1-UP; 9GS1-UP
PART OF 141-8462 PUMP & MTG GP-MAIN HYDRAULIC
Type 2
i01282083 SEBP2693
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Parts for your 345B L 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
 

#SEBP26930442
 

126-2146: PUMP GP-MAIN HYDRAULIC

126-2146 PUMP GP-MAIN HYDRAULIC
S/N 4SS1-UP; 9GS1-UP
PART OF 123-1993 PUMP GP-MAIN HYDRAULIC
Type 1
i00513944 SEBP2693
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Parts for your 345B L 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
 

#SEBP26930443
 

126-2146: PUMP GP-MAIN HYDRAULIC

126-2146 PUMP GP-MAIN HYDRAULIC
S/N 4SS1-UP; 9GS1-UP
PART OF 123-1993 PUMP GP-MAIN HYDRAULIC
Type 2
i01021884 SEBP2693
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Parts for your 345B L 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
 

#SEBP26930444
 

176-5072: PUMP GP-MAIN HYDRAULIC

176-5072 PUMP GP-MAIN HYDRAULIC
S/N 4SS1-UP; 9GS1-UP
PART OF 123-1993 PUMP GP-MAIN HYDRAULIC
i01517830 SEBP2693
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Parts for your 345B L 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
 

#SEBP26930445
 

155-9128: PUMP GP-PISTON

155-9128 PUMP GP-PISTON
S/N 4SS438-UP; 9GS173-UP
PART OF 155-9248 PUMP GP-PISTON
i00937358 SEBP2693
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Parts for your 345B L 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
 

#SEBP26930446
 

155-9248: PUMP GP-PISTON

155-9248 PUMP GP-PISTON
S/N 4SS438-UP; 9GS173-UP
PART OF 131-8848 PUMP & MTG GP-HYDRAULIC FAN
i01009322 SEBP2693
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Parts for your 345B L 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
 

#SEBP26930447
 

126-2045: ROTATING GP-MOTOR

126-2045 ROTATING GP-MOTOR
S/N 4SS1-UP; 9GS1-UP
PART OF 137-3791 MOTOR GP-TRAVEL
i00513774 SEBP2693
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Parts for your 345B L 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
 

#SEBP26930448
 

142-5519: ROTATING GP-PUMP

142-5519 ROTATING GP-PUMP
S/N 4SS1-UP; 9GS1-UP
PART OF 126-2146 PUMP GP-MAIN HYDRAULIC
i00906098 SEBP2693
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Parts for your 345B L 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
 

#SEBP26930449
 

142-5520: ROTATING GP-PUMP

142-5520 ROTATING GP-PUMP
S/N 4SS1-UP; 9GS1-UP
PART OF 142-5519, 159-7670, 176-5069, 176-5070 ROTATING GP-PUMP
i00906126 SEBP2693
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Parts for your 345B L 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
 

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
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
Piston Pump (Main) - Purge
345B Excavator Attachment Hydraulic System
Main Hydraulic Pump Air - Purge
320B, 322B, 325B, 330B, 345B and 345B Series II Excavators Auxiliary 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
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

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