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137-3717 MOTOR GP-SWING S/N 4SS1-UP; 9GS1-UP PART OF 123-1998, 123-1999, 147-5789 MOTOR GP-SWING 345B L


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

EXCAVATOR 345B L EXCAVATOR 4SS
 345B and 345B L Excavators 4SS00001-UP (MACHINE) SEBP2693 345B L 4SS   (1997)

HYDRAULIC SYSTEM

MOTOR GP
MOTOR GP-SWING
123-1998 MOTOR GP-SWING
MOTOR GP-SWING
123-1999 MOTOR GP-SWING
MOTOR GP-SWING
137-3717 MOTOR GP-SWING
MOTOR GP-SWING
147-5789 MOTOR GP-SWING
MOTOR GP-TRAVEL
137-3791 MOTOR GP-TRAVEL
ROTATING GP-MOTOR
126-2045 ROTATING GP-MOTOR
 

#SEBP26930430
 

137-3717: MOTOR GP-SWING

137-3717 MOTOR GP-SWING
S/N 4SS1-UP; 9GS1-UP
PART OF 123-1998, 123-1999, 147-5789 MOTOR GP-SWING
i00670321 SEBP2693
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-FRICTION  
3. 5I-8629 [4] PLATE-SEPARATOR  
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  
8. 5I-8623 J [1] SEAL-O-RING  
9. 126-2055 [24] SPRING  
10. 5I-8632 [1] PISTON AS  
11. 5I-8420 [12] PIN  
12. 110-5525 [2] PLUG  
13. 3J-1907 J [2] SEAL-O-RING  
14. 5I-8625 [1] BEARING  
15. 7Y-5267 [1] RING-RETAINING  
16. 126-2026 Y [1] HEAD GP-MOTOR  
17. 5I-8422 [1] SPRING  
18. 5I-8628 [1] PLATE-VALVE  
19. 5I-8631 [1] BARREL  
20. 5I-8621 [1] PISTON-BRAKE  
21. 5I-8421 [2] SPACER  
22. 5I-8633 [1] SPACER  
23. 5I-8636 [1] PLATE-RETAINER  
24. 5I-8637 [1] PLATE  
25. 122-5318 [1] BEARING  
26. 5I-8640 [1] SHAFT-DRIVE  
27. 5I-8418 [1] PLATE  
28. 085-5593 [1] RING-RETAINING  
29. 122-5319 J [1] SEAL-OIL  
30. 5I-8634 [1] BUSHING  
31. 7Y-4268 [2] SPRING  
32. 095-1593 J [2] SEAL-O-RING  
33. 094-1900 [2] PLUG  
34. 7Y-4267 [2] VALVE  
35. 7Y-5221 M [4] BOLT-SOCKET HEAD (M20X2.5X45-MM)  
   
    AVAILABLE REPAIR KIT(S):
  126-2029 J [1] KIT-SEAL  
  J   KIT MARKED J INCL PARTS MARKED J
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP26930431
 

147-5789: MOTOR GP-SWING

147-5789 MOTOR GP-SWING
S/N 4SS1-UP; 9GS1-UP
PART OF 126-1916 MOTOR & MTG GP-SWING
i00663006 SEBP2693
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. 8T-6759 [1] PLUG-PIPE  
2. 137-3717 Y [1] MOTOR GP-SWING  
3. 147-5777 Y [2] VALVE GP-RELIEF  
4. 095-1573 [2] SEAL-O-RING  
5. 9X-8256 [6] WASHER (6.6X12X2-MM THK)  
6. 7X-2533 M [3] BOLT (M6X1X35-MM)  
7. 137-3716 [1] BODY  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP26930432
 

137-3791: MOTOR GP-TRAVEL

137-3791 MOTOR GP-TRAVEL
S/N 4SS1-UP; 9GS1-UP
PART OF 137-3790 MOTOR & MTG GP-TRAVEL
i00558272 SEBP2693
1373791 MOTOR 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 [2] SEAL-O-RING  
4. 9T-3941 [3] PLUG-BREAK OFF  
5. 6I-6982 [2] PISTON  
6. 107-6548 [2] 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  
12. 087-4785 [2] PLUG-BREAK OFF  
13. 6I-6987 [1] BUSHING  
14. 6V-8398 J [1] SEAL-O-RING  
15. 107-6582 [1] STOP  
16. 6V-5683 M [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 M [12] BOLT-SOCKET HEAD (M10X1.5X70-MM)  
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 (1-1/16-12-THD)  
30. 6I-6984 [1] HOUSING  
31. 9T-3928 [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  
    (INCLUDES CONNECTING FITTINGS)
   
    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
 

#SEBP26930433
 

127-6681: MOUNTING GP-COUNTERWEIGHT CYL

127-6681 MOUNTING GP-COUNTERWEIGHT CYL
S/N 4SS1-UP; 9GS1-UP
COUNTERWEIGHT REMOVAL
PART OF 127-7524 COUNTERWEIGHT AR
AN ATTACHMENT
i00517750 SEBP2693
1276681 MOUNTING GP-COUNTERWEIGHT CYL Parts scheme
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Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 146-1415 [1] BRACKET AS  
2. 127-6754 [1] BAND AS  
3. 127-6757 [1] PIN  
4. 127-6758 [1] PIN AS  
5. 135-4180 [1] BRACKET AS  
6. 8T-4195 M [2] BOLT (M10X1.5X30-MM)  
7. 7X-2562 M [4] BOLT (M20X2.5X45-MM)  
8. 7X-2576 M [14] BOLT (M24X3X70-MM)  
9. 8T-5041 M [1] BOLT (M12X1.75X120-MM)  
10. 8T-4244 M [2] NUT (M12X1.75-THD)  
11. 8T-4001 M [4] NUT (M24X3-THD)  
12. 8T-4121 [2] WASHER-HARD (11X21X2.5-MM THK)  
13. 8T-4167 [14] WASHER-HARD (26X44X4-MM THK)  
14. 093-0086 B [2] SHIM (1-MM THK)  
15. 7Y-2496 B [1] SHIM (1.6-MM THK)  
16. 093-0118 B [1] SHIM (2-MM THK)  
17. 121-1891 B [2] SHIM (1-MM THK)  
18. 127-6680 B [4] SHIM (0.5-MM THK)  
19. 8T-4123 [4] WASHER (3.62X5.75X0.375-MM THK)  
20. 135-3924 [2] GUIDE AS  
21. 5R-5927 [1] WASHER (14X65X6-MM THK)  
22. 135-8575 [1] BOLT AS  
  5P-1076 [1] WASHER-HARD (13.5X30X4-MM THK)  
  8T-4139 M [1] BOLT (M12X1.75X30-MM)  
  B   USE AS REQUIRED
  M   METRIC PART
 

#SEBP26930434
 

128-7435: MOUNTING GP-MAIN CONTROL VALVE

128-7435 MOUNTING GP-MAIN CONTROL VALVE
S/N 4SS1-UP; 9GS1-UP
PART OF 119-3823, 141-8461 HYDRAULIC AR
i00521872 SEBP2693
1287435 MOUNTING GP-MAIN CONTROL VALVE Parts scheme
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Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8T-6430 M [4] BOLT (M20X2.5X50-MM)  
2. 6C-9149 [4] WASHER (22X50X10-MM THK)  
3. 129-5920 [1] BRACKET AS  
  7T-1099 [2] LINK  
4. 8T-5460 M [4] BOLT (M20X2.5X40-MM)  
5. 8T-4123 [8] WASHER (3.62X5.75X0.375-MM THK)  
6. 102-1174 BE GUARD  
  B   USE AS REQUIRED
  E   ORDER BY THE CENTIMETER
  M   METRIC PART
 

#SEBP26930435
 

122-7768: PLUG GP-CONTROL VALVE

122-7768 PLUG GP-CONTROL VALVE
S/N 4SS1-UP; 9GS1-UP
PART OF 122-7761 VALVE GP-CONTROL
i00512686 SEBP2693
1227768 PLUG GP-CONTROL VALVE Parts scheme
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Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 122-7767 [1] RING  
2. 5J-2974 [1] SEAL-O-RING  
3. 7M-8485 [1] SEAL-O-RING  
 

#SEBP26930436
 

131-8848: PUMP & MTG GP-HYDRAULIC FAN

131-8848 PUMP & MTG GP-HYDRAULIC FAN
S/N 4SS1-437; 9GS1-172
PART OF 119-3823, 141-8461 HYDRAULIC AR
i00511709 SEBP2693
1318848 PUMP & MTG GP-HYDRAULIC FAN Parts scheme
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Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 147-7058 [1] GEAR  
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. 147-5804 [1] PUMP GP-PISTON  
7. 8T-4956 M [3] BOLT (M12X1.75X35-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)  
16. 3D-0053 [1] BALL BEARING  
  M   METRIC PART
 

#SEBP26930437
 

131-8848: PUMP & MTG GP-HYDRAULIC FAN

131-8848 PUMP & MTG GP-HYDRAULIC FAN
S/N 4SS438-UP; 9GS173-UP
PART OF 119-3823, 141-8461 HYDRAULIC AR
i00664475 SEBP2693
1318848 PUMP & MTG GP-HYDRAULIC FAN Parts scheme
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Parts for your 345B L 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
 

#SEBP26930438
 

141-8462: PUMP & MTG GP-MAIN HYDRAULIC

141-8462 PUMP & MTG GP-MAIN HYDRAULIC
S/N 4SS1-UP; 9GS1-UP
PART OF 119-3823, 141-8461 HYDRAULIC AR
i00502611 SEBP2693
1418462 PUMP & MTG GP-MAIN HYDRAULIC Parts scheme
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Parts for your 345B L 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
 

#SEBP26930439
 

133-6912: PUMP GP-GEAR

133-6912 PUMP GP-GEAR
S/N 4SS1-UP; 9GS1-UP
PART OF 126-2146, 176-5072 PUMP GP-MAIN HYDRAULIC
i00503518 SEBP2693
1336912 PUMP GP-GEAR Parts scheme
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Parts for your 345B L 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
 

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}
Technical Information Bulletin
Increased Case Drain Pressure May Cause Swing Motor Failure (Reoccurence)
Increased Case Drain Pressure May Cause Swing Motor Failure (Reoccurence)
Specifications
Travel Counterbalance Valve
345B Excavator and 345B Material Handler Machine System Specifications
Swing Motor - Left
345B Excavator and 345B Material Handler Machine System Specifications
Swing Motor - Right
345B Excavator and 345B Material Handler Machine System Specifications
Travel Motor
345B Excavator and 345B Material Handler Machine System Specifications
Check Valve (Fan Drive Motor)
345B Excavator and 345B Material Handler Machine System Specifications
Fan Drive Motor - 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}
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
Specifications For Piston Motor Components On Travel Circuit Of MS180-8 and MS240-8 Hydraulic Excavators
Specifications For Piston Motor Components On Travel Circuit Of MS180-8 and MS240-8 Hydraulic Excavators
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 GP-SWING
123-1999 MOTOR GP-SWING
MOTOR GP-SWING
123-1998 MOTOR GP-SWING
MOTOR GP-PISTON
155-9107 MOTOR GP-PISTON
MOTOR & MTG GP-TRAVEL
137-3790 MOTOR & MTG GP-TRAVEL
MOTOR & MTG GP-SWING
126-1916 MOTOR & MTG GP-SWING
MOTOR & MTG GP-SWING
126-1916 MOTOR & MTG GP-SWING
MOTOR & MTG GP-SWING
126-1915 MOTOR & MTG GP-SWING
MANIFOLD GP-CONTROL
111-9950 MANIFOLD GP-CONTROL
MOTOR GP-SWING
147-5789 MOTOR GP-SWING
MOTOR GP-TRAVEL
137-3791 MOTOR GP-TRAVEL
MOUNTING GP-COUNTERWEIGHT CYL
127-6681 MOUNTING GP-COUNTERWEIGHT CYL
MOUNTING GP-MAIN CONTROL VALVE
128-7435 MOUNTING GP-MAIN CONTROL VALVE
PLUG GP-CONTROL VALVE
122-7768 PLUG GP-CONTROL VALVE
PUMP & MTG GP-HYDRAULIC FAN
131-8848 PUMP & MTG GP-HYDRAULIC FAN
PUMP & MTG GP-HYDRAULIC FAN
131-8848 PUMP & MTG GP-HYDRAULIC FAN
PUMP & MTG GP-MAIN HYDRAULIC
141-8462 PUMP & MTG GP-MAIN HYDRAULIC

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