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1231998 MOTOR GP-SWING LEFT HAND PART OF 1261915-Page 368 1373717-Page 372,1373715-Page 374, 1373713-Page 431 345B L


HYDRAULIC SYSTEM
MOTOR GP
VALVE GP-RELIEF
MOTOR GP
PUMP GP
BRAKE GP

EXCAVATOR 345B L EXCAVATOR 5WS
 345B 345BL TRACK-TYPE EXCAVATORS 5WS00001-UP (MACHINE) POWERED BY 3176C ENGINE XEBP7734 345B L 5WS   (1998)

HYDRAULIC SYSTEM

MOTOR GP
MOTOR & MTG GP-SWING
126-1915 MOTOR & MTG GP-SWING
MOTOR & MTG GP-SWING
126-1916 MOTOR & MTG GP-SWING
MOTOR GP-SWING
123-1998 MOTOR GP-SWING
MOTOR GP-SWING
147-5789 MOTOR GP-SWING
MOTOR GP-SWING
137-3717 MOTOR GP-SWING
MOTOR GP-SWING
137-3717 MOTOR GP-SWING
 

#XEBP77340500
 

123-1998: MOTOR GP-SWING

1231998 MOTOR GP-SWING
LEFT HAND
PART OF 1261915-Page 368
1373717-Page 372,1373715-Page 374, 1373713-Page 431
h74895e XEBP7734
1231998 MOTOR GP-SWING Parts scheme
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Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 137-3717 Y [1] MOTOR GP  
2. 5B-9304 [2] SCREW  
3. 137-3715 Y [2] VALVE GP  
4. 095-1573 [2] SEAL-O-RING (ID=5.80mm)  
5. 9X-8256 [6] WASHER  
6. 8T-6974 [3] BOLT (L=80mm)  
7. 137-3713 Y [1] VALVE GP  
  Y   SEE SEPARATE ILLUSTRATION
 

#XEBP77340501
 

147-5789: MOTOR GP-SWING

1475789 MOTOR GP-SWING
RIGHT HAND
PART OF 1261916-Page 369
1373717-Page 372, 1475777-Page 375
h74896e XEBP7734
1475789 MOTOR GP-SWING Parts scheme
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Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 137-3717 Y [1] MOTOR GP  
2. 5B-9304 [2] SCREW  
3. 147-5777 Y [2] VALVE GP  
4. 095-1573 [2] SEAL-O-RING (ID=5.80mm)  
5. 9X-8256 [6] WASHER  
6. 7X-2533 [3] BOLT (L=35mm)  
7. 137-3716 Y [1] BODY  
8. 8T-6759 [1] PLUG  
  Y   SEE SEPARATE ILLUSTRATION
 

#XEBP77340502
 

137-3717: MOTOR GP-SWING

1373717 MOTOR GP-SWING-PART 1 OF 2
PART OF 1231998-Page 370, 1475789-Page 371
h84582e XEBP7734
1373717 MOTOR GP-SWING Parts scheme
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Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 137-3712 [1] BODY  
2. 5I-8630 [3] PLATE  
3. 5I-8629 [4] PLATE  
4. 5I-8426 J [1] SEAL-O-RING  
5. 5I-8417 J [1] SEAL-O-RING  
6. 7Y-4274 [1] PLUG  
7. 095-1579 J [1] SEAL-O-RING (ID=10.80mm)  
8. 5I-8623 J [1] SEAL-O-RING  
9. 126-2055 [24] SPRING  
10. 5I-8632 [1] PISTON  
11. 5I-8420 [12] PIN  
12. 110-5525 [2] PLUG  
13. 3J-1907 J [2] SEAL-O-RING (ID=11.89mm)  
14. 5I-8625 [1] BEARING  
15. 7Y-5267 [1] RING  
16. 126-2026 [1] HEAD GP  
  095-0882 [2] PIN  
17. 5I-8634 [1] BUSHING  
18. 5I-8422 [1] SPRING  
19. 5I-8628 [1] PLATE  
20. 5I-8631 [1] BARREL  
21. 177-2584 [1] PISTON  
22. 5I-8421 [2] SPACER  
23. 5I-8633 [1] SPACER  
24. 5I-8636 [1] PLATE  
25. 5I-8637 [1] PLATE  
26. 122-5318 [1] BEARING  
27. 5I-8640 [1] SHAFT  
28. 5I-8418 [1] PLATE  
29. 085-5593 [1] RING  
30. 122-5319 J [1] SEAL  
 

#XEBP77340503
 

137-3717: MOTOR GP-SWING

1373717 MOTOR GP-SWING-PART 2 OF 2
PART OF 1231998-Page 370, 1475789-Page 371
h84583e XEBP7734
1373717 MOTOR GP-SWING Parts scheme
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Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7Y-4268 [2] SPRING  
2. 095-1593 J [2] SEAL-O-RING (ID=24.70mm)  
3. 094-1900 [2] PLUG  
4. 7Y-4267 [2] VALVE  
5. 7Y-5221 [4] BOLT (L=45mm)  
    THE FOLLOWING REPAIR KIT IS AVAILABLE:
  126-2029 [1] SEAL KIT (INCLUDES PARTS MARKED J)  
 

#XEBP77340504
 

137-3715: VALVE GP-RELIEF

1373715 VALVE GP-RELIEF
DIRECT OPERATED
PART OF 1231998-Page 370
h57971e XEBP7734
1373715 VALVE GP-RELIEF Parts scheme
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Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 095-1698 [1] SEAL-O-RING (ID=29.40mm)  
2. 7Y-4278 [1] RING-BACK UP  
3. 7I-0967 [1] SEAL-O-RING  
4. 7I-0966 [1] RING-BACK UP  
5. 095-1785 [1] RING-BACK UP  
6. 095-1586 [1] SEAL-O-RING (ID=19.80mm)  
 

#XEBP77340505
 

147-5777: VALVE GP-RELIEF

1475777 VALVE GP-RELIEF
DIRECT OPERATED
PART OF 1475789-Page 371
h57983e XEBP7734
1475777 VALVE GP-RELIEF Parts scheme
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Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 095-1698 [1] SEAL-O-RING (ID=29.40mm)  
2. 7Y-4278 [1] RING-BACK UP  
3. 7I-0967 [1] SEAL-O-RING  
4. 7I-0966 [1] RING-BACK UP  
5. 095-1785 [1] RING-BACK UP  
6. 095-1586 [1] SEAL-O-RING (ID=19.80mm)  
 

#XEBP77340506
 

137-3790: MOTOR & MTG GP-TRAVEL

1373790 MOTOR & MTG GP-TRAVEL
PART OF 1362808-Page 212
1373791-Page 378
h57974e XEBP7734
1373790 MOTOR & MTG GP-TRAVEL Parts scheme
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Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 137-3791 Y [1] MOTOR GP  
2. 8T-6430 [4] BOLT (L=50mm)  
3. 8T-4123 [4] WASHER  
4. 2D-9572 [1] SEAL-O-RING (ID=240.89mm)  
  Y   SEE SEPARATE ILLUSTRATION
 

#XEBP77340507
 

137-3791: MOTOR & MTG GP-TRAVEL

1373791 MOTOR & MTG GP-TRAVEL
PART OF 1373790-Page 377
1262045-Page 283, 7I0034, 1358852-Page 380
h74900e XEBP7734
1373791 MOTOR & MTG GP-TRAVEL Parts scheme
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Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6I-6988 [1] ROD  
2. 8T-4133 M [2] NUT (M10X1.5-THD)  
3. 095-1514 J [1] SEAL-O-RING (ID=9.80mm)  
4. 9T-3941 [3] PLUG-BREAK OFF  
5. 6I-6982 [2] PISTON  
6. 107-6548 [1] ROD  
7. 107-6549 [1] PLATE  
8. 6I-6986 [1] ROD  
9. 126-2045 Y [1] ROTATING GP-MOTOR  
10. 7I-7556 [1] RING  
11. 095-1513 J [2] SEAL-O-RING (ID=8.80mm)  
12. 087-4785 [2] PLUG-BREAK OFF  
13. 6I-6987 [1] BUSHING  
14. 6V-8398 J [1] SEAL-O-RING (OD=16.03mm)  
15. 107-6582 [1] STOP  
16. 6V-5683 [2] BOLT (M6X1X16-MM)  
17. 7I-7555 [2] PLUG AS  
18. 7I-7557 [2] VALVE GP-CHECK  
19. 087-4774 [1] NOZZLE  
20. 7I-7554 J [1] SEAL-O-RING  
21. 135-8852 Y [1] BRAKE GP-PARKING  
22. 135-8853 [1] PLUG  
23. 095-0658 [12] BOLT-SOCKET HEAD (M10X1.5X70-M)  
24. 095-0924 [2] RING-RETAINING  
25. 7I-0033 J [1] SEAL-LIP TYPE  
26. 8T-5042 M [4] BOLT (M20X2.5X50-MM)  
27. 6I-6985 [1] HEAD  
28. 7I-7553 J [1] SEAL-O-RING  
29. 9S-8008 [2] PLUG  
30. 6I-6984 [1] HOUSING  
31. 9T-3928 M [5] PLUG AS  
32. 7I-0034 Y [1] VALVE GP-MOTOR CONTROL  
33. 9T-3940 [2] PLUG-BREAK OFF  
34. 5W-9411 [1] SEAL-O-RING  
   
  7I-0036 F [1] TUBE AS  
    AVAILABLE REPAIR KIT(S):
  7I-7326 J [1] KIT-SEAL (TRAVEL MOTOR)  
  F   NOT SHOWN
  J   KIT MARKED J INCLUDES PART(S) MARKED J
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#XEBP77340508
 

7I-0034: VALVE GP-PRESS & FLOW CMPNSTR

7I0034 VALVE GP-PRESS & FLOW CMPNSTR
PART OF 1373791-Page 379
h57849e XEBP7734
7I0034 VALVE GP-PRESS & FLOW CMPNSTR Parts scheme
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Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3E-6769 [1] SEAL-O-RING (ID=17.00mm)  
2. 7I-7559 [1] RING  
3. 7I-7560 [1] SEAL-O-RING  
4. 7I-7561 [1] RING  
5. 7I-7562 [1] SEAL-O-RING  
 

#XEBP77340509
 

135-8852: BRAKE GP-PARKING

1358852 BRAKE GP-PARKING
PART OF 1373791-Page 379
h57820e XEBP7734
1358852 BRAKE GP-PARKING Parts scheme
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Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 135-8855 [1] SEAL-PISTON AS (INCLUDES SEALS)  
2. 135-8856 [1] KIT-SCREW  
3. 122-5333 [3] RING  
4. 135-8860 [1] KIT-SEAL (INCLUDES 2 SEALS)  
5. 135-8859 [1] PLATE AS  
6. 135-8854 Y [1] PLUG  
7. 247-8970 [2] SCREW KIT  
8. 247-8971 [1] KIT-SPRING  
  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}
Specifications
Travel Counterbalance Valve
345B Excavator Machine System Specifications
Swing Motor - Left
345B Excavator Machine System Specifications
Swing Motor - Right
345B Excavator Machine System Specifications
Travel Motor
345B Excavator Machine System Specifications
Check Valve (Fan Drive Motor)
345B Excavator Machine System Specifications
Fan Drive Motor - Performance Test
345B 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}
Systems Operation
Travel Motor
345B Excavator Hydraulic System
Relief Valve (Crossover)
345B Excavator Hydraulic System
Travel Counterbalance Valve
345B Excavator Hydraulic System
Swing Hydraulic System
345B Excavator Hydraulic System
Swing Motor
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}
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}
Testing and Adjusting
Swing Motor - Test - Measurement of Case Drain Oil
345B Excavator Hydraulic System
Travel Motor - Test - Measurement of Case Drain Oil
345B Excavator Hydraulic System
Relief Valve (Crossover) - Test and 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}
Troubleshooting
Cooling Fan Control - Test
3176C Engine for Caterpillar Built Machines
Disassembly and Assembly
Final Drive and Travel Motor - Remove
345B, 345B Series II and W345B Series II Excavators Machine Systems
Final Drive and Travel Motor - Install
345B, 345B Series II and W345B Series II Excavators Machine Systems
Travel Motor - Remove - Series I
345B, 345B Series II and W345B Series II Excavators Machine Systems
Travel Motor - Install - Series I
345B, 345B Series II and W345B Series II Excavators Machine Systems
Travel Motor - Disassemble - Series I
345B, 345B Series II and W345B Series II Excavators Machine Systems
Travel Motor - Assemble - Series I
345B, 345B Series II and W345B Series II Excavators Machine Systems
Swing Motor - Remove - Left Motor for Series I
345B, 345B Series II and W345B Series II Excavators Machine Systems
Swing Motor - Install - Left Motor for Series I
345B, 345B Series II and W345B Series II Excavators Machine Systems
Swing Motor - Remove - Right Motor for Series I
345B, 345B Series II and W345B Series II Excavators Machine Systems
Swing Motor - Install - Right Motor for Series I
345B, 345B Series II and W345B Series II Excavators Machine Systems
Swing Motor - Disassemble - Series I
345B, 345B Series II and W345B Series II Excavators Machine Systems
Swing Motor - Assemble - Series I
345B, 345B Series II and W345B Series II Excavators Machine Systems
Fan Drive Motor - Remove and Install
345B, 345B Series II and W345B Series II Excavators Machine Systems
Service Magazine
Procedure for the Measurement of the Movement of the Swing Bearing {5459, 7063}
2004/10/18
Procedure to Identify Correct Rotational Direction of Hydraulic Fan Motor Group {1386, 5058}
2004/12/20

Caterpillar Parts SIS Catalog 345B L :

MOTOR & MTG GP-SWING
126-1916 MOTOR & MTG GP-SWING
MOTOR & MTG GP-SWING
126-1915 MOTOR & MTG GP-SWING
DRIVE GP-SWING
148-4596 DRIVE GP-SWING
DRIVE GP-SWING
148-4596 DRIVE GP-SWING
DRIVE GP-SWING
114-1409 DRIVE GP-SWING
DRIVE GP-SWING
114-1409 DRIVE GP-SWING
DRIVE GP-SWING
114-1415 DRIVE GP-SWING
DRIVE GP-SWING
114-1415 DRIVE GP-SWING
MOTOR GP-SWING
147-5789 MOTOR GP-SWING
MOTOR GP-SWING
137-3717 MOTOR GP-SWING
MOTOR GP-SWING
137-3717 MOTOR GP-SWING
VALVE GP-RELIEF
137-3715 VALVE GP-RELIEF
VALVE GP-RELIEF
147-5777 VALVE GP-RELIEF
MOTOR & MTG GP-TRAVEL
137-3790 MOTOR & MTG GP-TRAVEL
MOTOR & MTG GP-TRAVEL
137-3791 MOTOR & MTG GP-TRAVEL
VALVE GP-PRESS & FLOW CMPNSTR
7I-0034 VALVE GP-PRESS & FLOW CMPNSTR

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