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2Q-7880 CONTROL AR-TRACTION -CUSTOM 938G WHEEL LOADER




BRAKING SYSTEM

CONTROL GP
 

#SEBC12120050
 

2Q-7880: CONTROL AR-TRACTION

2Q-7880 CONTROL AR-TRACTION -CUSTOM
i01176260 SEBC1212
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Parts for your 938G WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2Q-7623 [4] SHAFT-AXLE  
  115-5830 L [2] HOUSING-AXLE SHAFT  
  9S-8005 L [2] PLUG-O-RING  
  3K-0360 L [2] SEAL-O-RING  
  115-5829 N [2] HOUSING-AXLE SHAFT  
  9S-8005 N [2] PLUG-O-RING  
  3K-0360 N [2] SEAL-O-RING  
  134-8505 PY [1] WIRING GP-TRACTION CONTROL (CHASSIS)  
  135-2606 PY [1] WIRING GP-TRACTION CONTROL (CAB)  
  135-2824 PY [1] CONTROL GP-SERVICE BRAKE (TRACTION CONTROL SYSTEM)  
    *****STANDARD REMOVALS*****
  115-5824 S [2] HOUSING-AXLE  
  115-5826 T [2] HOUSING-AXLE SHAFT  
    *****ATTACHMENT REMOVALS*****
  2Q-2773 V [4] SHAFT-AXLE  
  L   PART OF STANDARD HOUSING GP-FIXED AXLE
  N   PART OF STANDARD HOUSING GP- OSCILLATING AXLE
  P   PART OF STANDARD CONTROL AR-TRACTION
  S   PART OF STANDARD HOUSING GP-OSCILLATING AXLE
  T   PART OF STANDARD HOUSING GP-FIXED AXLE
  V   PART OF STANDARD GUARD GP-AXLE SEAL
  Y   SEPARATE ILLUSTRATION
 

#SEBC12120051
 

135-2824: CONTROL GP-SERVICE BRAKE

135-2824 CONTROL GP-SERVICE BRAKE -TRACTION CONTROL SYSTEM
PART OF 2Q-7880 CONTROL AR-TRACTION
i00585303 SEBC1212
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Parts for your 938G WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8E-7114 I [1] HOSE AS  
2. 147-5454 CI [1] HOSE AS  
3. 8M-2773 [6] CLIP  
4. 8T-4137 M [6] BOLT (M10X1.5X20-MM)  
5. 8T-4121 [7] WASHER-HARD (11X21X2.5-MM THK)  
6. 7X-2543 M [3] BOLT (M10X1.5X120-MM)  
7. 6B-2882 [3] SPACER (0.406X0.75X0.312-IN THK)  
8. 135-4391 C [1] VALVE GP-ACCUMULATOR CHARGING (BRAKE)  
  139-3285 [1] KIT-BRAKE CHARGE VALVE  
9. 123-9043 Y [1] MANIFOLD GP-BRAKE PROPORTIONAL (TRACTION CONTROL SYSTEM)  
10. 6V-8397 [17] SEAL-O-RING  
11. 6V-9850 [2] ELBOW  
12. 109-1331 I [1] HOSE AS  
13. 6V-8398 [2] SEAL-O-RING  
14. 2S-9503 [1] SPACER (0.406X1X0.875-IN THK)  
15. 8T-4186 M [2] BOLT (M10X1.5X40-MM)  
16. 6V-9837 [1] TEE-SWIVEL  
17. 6Y-4045 I [1] HOSE AS  
18. 8R-1537 I [1] HOSE AS  
19. 5P-9297 [2] CLIP  
20. 109-1324 [1] TUBE AS  
21. 109-1323 [1] TUBE AS  
22. 6V-8724 [6] ELBOW  
23. 3J-1907 [11] SEAL-O-RING  
24. 109-1329 I [1] HOSE AS  
25. 9U-4145 I [1] HOSE AS  
26. 6V-8781 [2] TEE  
27. 6V-8625 [1] ELBOW  
28. 3K-0360 [1] SEAL-O-RING  
29. 6V-8636 [4] CONNECTOR  
30. 105-4915 [1] VALVE GP-PRESSURE REDUCING (TRACTION CONTROL SYSTEM)  
  9U-3983 [1] HOUSING-VALVE  
  105-4914 [1] VALVE-REDUCING  
31. 8C-8451 M [2] BOLT (M6X1X40-MM)  
32. 9X-8256 [2] WASHER (6.6X12X2-MM THK)  
33. 109-1321 [4] TUBE AS  
34. 6V-9168 [4] NUT (11/16-16-THD)  
35. 109-1327 [2] BRACKET AS  
    (EACH INCLUDES)
  8T-3490 M [1] NUT-WELD (M10X1.5-THD)  
36. 6V-8980 [4] ELBOW  
37. 117-6105 I [1] HOSE AS  
38. 109-1322 [1] TUBE AS  
39. 109-1330 I [1] HOSE AS  
40. 7K-1181 C [1] STRAP-CABLE  
41. 100-4336 [1] CLIP  
  C   CHANGE FROM PREVIOUS TYPE
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBC12120052
 

123-9043: MANIFOLD GP-BRAKE PROPORTIONAL

123-9043 MANIFOLD GP-BRAKE PROPORTIONAL -TRACTION CONTROL SYSTEM
PART OF 135-2824 CONTROL GP-SERVICE BRAKE
Type 1
FIELD REPLACEMENT ORDER 1-224-5717 MANIFOLD GP-BRAKE PROPORTIONAL
i00171234 SEBC1212
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Parts for your 938G WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 124-3052 CY [4] VALVE GP-SOLENOID (TCS PROPORTIONAL PRESSURE)  
2. 107-9404 [1] MANIFOLD  
3. 116-4152 Y [1] VALVE GP-SOLENOID (TCS ON/OFF PILOT PRESSURE)  
4. 112-5352 [4] VALVE-SHUTTLE (PUMP FLOW CONTROL)  
5. 9S-8007 [5] PLUG  
6. 9S-4187 [1] PLUG  
7. 9S-4191 [7] PLUG-O-RING  
8. 5P-7813 [5] SEAL-O-RING  
9. 8L-2786 [1] SEAL-O-RING  
10. 6V-5049 [7] SEAL-O-RING  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBC12120053
 

123-9043: MANIFOLD GP-BRAKE PROPORTIONAL

123-9043 MANIFOLD GP-BRAKE PROPORTIONAL -TRACTION CONTROL SYSTEM
PART OF 135-2824 CONTROL GP-SERVICE BRAKE
Type 2
FIELD REPLACEMENT ORDER 1-224-5717 MANIFOLD GP-BRAKE PROPORTIONAL
i01271245 SEBC1212
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Parts for your 938G WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 124-3052 CY [4] VALVE GP-SOLENOID (TCS PROPORTIONAL PRESSURE)  
2. 107-9404 [1] MANIFOLD  
3. 152-8385 Y [1] VALVE GP-SOLENOID (24-VOLT)(TCS ON/OFF PILOT PRESSURE)  
4. 112-5352 [4] VALVE-SHUTTLE  
5. 9S-8007 [5] PLUG  
6. 9S-4187 [1] PLUG  
7. 9S-4191 [7] PLUG-O-RING  
8. 5P-7813 [5] SEAL-O-RING  
9. 8L-2786 [1] SEAL-O-RING  
10. 6V-5049 [7] SEAL-O-RING  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBC12120054
 

116-4152: VALVE GP-SOLENOID

116-4152 VALVE GP-SOLENOID
24 VOLTS DC
PART OF 123-9043 MANIFOLD GP-BRAKE PROPORTIONAL
FIELD REPLACEMENT ORDER @@@@@152-8385@@@@@
i00171217 SEBC1212
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Parts for your 938G WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3E-8582 [1] COIL AS  
2. 1S-9593 [2] STRAP-CABLE  
3. 102-8802 [1] KIT-RECEPTACLE (2-PIN)  
    (INCLUDES RECEPTACLE AS AND WEDGE)
  3E-3365 [1] WEDGE-RECEPTACLE LOCK (2-PIN)  
  8T-8729 [2] PIN-CONNECTOR  
4. 3E-9258 [1] CARTRIDGE AS  
5. 104-5970 [1] LOCKNUT (1/4-20-THD)  
   
    AVAILABLE REPAIR KIT(S):
  8J-9348 KIT-SEAL (SOLENOID VALVE)  
    (INCLUDES SEALS & RINGS)
 

#SEBC12120055
 

124-3052: VALVE GP-SOLENOID

124-3052 VALVE GP-SOLENOID
24 VOLTS DC
PART OF 123-9043 MANIFOLD GP-BRAKE PROPORTIONAL
FIELD REPLACEMENT ORDER @@@@@207-6809@@@@@, 1-179-4964 WIRE AS
i00166368 SEBC1212
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Parts for your 938G WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6V-4589 J [1] SEAL-O-RING  
2. 8L-2746 J [1] SEAL-O-RING  
3. 033-6043 J [1] SEAL-O-RING  
4. 5P-7538 [1] BALL  
5. 8L-2779 [1] SEAL-O-RING  
6. 8L-2786 [1] SEAL-O-RING  
7. 156-6173 [1] COIL AS  
  1S-9593 [2] STRAP-CABLE  
  3E-3365 [1] WEDGE-RECEPTACLE LOCK (2-PIN)  
  102-8802 [1] KIT-RECEPTACLE (2-PIN)  
    (INCLUDES RECEPTACLE AS & WEDGE)
  8T-8729 [2] PIN-CONNECTOR (16-GA TO 18-GA)  
8. 122-4974 [1] SPACER-SPECIAL (16.5X34.42X11.5-MM THK)  
9. 176-0394 [1] NUT-LOCKING (5/8-11-THD)  
   
    AVAILABLE REPAIR KIT(S):
  108-2148 J [1] KIT-SEAL (SOLENOID VALVE)  
    (INCLUDES SEALS)
  J   KIT MARKED J INCLUDES PART(S) MARKED J
 

#SEBC12120056
 

152-8385: VALVE GP-SOLENOID

152-8385 VALVE GP-SOLENOID
24-VOLT
PART OF 123-9043 MANIFOLD GP-BRAKE PROPORTIONAL
FIELD REPLACEMENT FOR @@@@@116-4152@@@@@
i01003582 SEBC1212
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Parts for your 938G WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 152-8383 [1] CARTRIDGE AS  
1A. 8C-9987 [1] WASHER (8.3X28X2.5-MM THK)  
1B. 111-0343 [1] LOCKNUT (5/16-18-THD)  
2. 218-9894 [1] COIL AS (24-VOLT)  
2A. 1S-9593 B [2] STRAP-CABLE  
2B. 102-8802 [1] KIT-RECEPTACLE (2-PIN)  
    (INCLUDES RECEPTACLE AS & WEDGE)
  8T-8729 [2] PIN-CONNECTOR (16-GA TO 18-GA)  
   
    AVAILABLE REPAIR KIT(S):
  8J-9348 KIT-SEAL (SOLENOID VALVE)  
    (INCLUDES SEALS & RINGS)
  B   USE AS REQUIRED
 

#SEBC12120057
 

207-6809: VALVE GP-SOLENOID

207-6809 VALVE GP-SOLENOID
FIELD REPLACEMENT FOR @@@@@124-3052@@@@@
FIELD INSTALLATION
i01822478 SEBC1212
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Parts for your 938G WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 323-9531 [1] COIL AS (24-VOLT)  
2. 164-2108 [1] WASHER (13.03X25.4X2.38-MM THK)  
3. 218-2373 [1] NUT (1/2-28-THD)  
   
    AVAILABLE REPAIR KIT(S):
  108-2148 [1] KIT-SEAL (SOLENOID VALVE)  
    (INCLUDES SEAL-O-RINGS)
 

#SEBC12120058
 

2Q-8023: LINES GP-STEERING

2Q-8023 LINES GP-STEERING -CUSTOM
PART OF 2Q-8065 STEERING AR-SECONDARY
i01176202 SEBC1212
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Parts for your 938G WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9T-8071 [1] VALVE GP-RELIEF  
2. 2Q-8020 I [1] HOSE AS  
3. 2Q-8021 I [1] HOSE AS  
4. 2Q-8107 I [1] HOSE AS  
5. 152-5401 [1] TUBE AS  
6. 152-5402 I [1] HOSE AS  
7. 152-5403 I [1] HOSE AS  
8. 141-2597 Y [1] VALVE GP-SECONDARY STEERING  
9. 1P-3704 [1] SEAL-RECTANGULAR  
10. 1P-4577 [4] FLANGE-HALF  
11. 2M-9780 [2] SEAL-O-RING  
12. 3J-1907 [4] SEAL-O-RING  
13. 3K-0360 [3] SEAL-O-RING  
14. 4J-0520 [2] SEAL-O-RING  
15. 5K-9090 [3] SEAL-O-RING  
16. 5P-8874 [2] ADAPTER  
17. 6V-0484 [2] ELBOW  
18. 6V-7359 [1] GROMMET  
19. 6V-8398 [2] SEAL-O-RING  
20. 6V-8555 [1] NUT-FACE SEAL (1-14-THD)  
21. 6V-8639 [1] CONNECTOR  
22. 6V-8640 [1] CONNECTOR  
23. 6V-8642 [1] CONNECTOR  
24. 6V-8722 [1] ELBOW  
25. 6V-8939 [1] REDUCER-O-RING  
26. 6V-9746 [2] SEAL-O-RING  
27. 6V-9838 [1] TEE-SWIVEL  
28. 6V-9847 [1] TEE-SWIVEL  
29. 6V-9853 [1] ELBOW  
30. 7J-9108 [6] SEAL-O-RING  
31. 7S-8920 [1] CLIP (SLOT)  
32. 7S-8921 [1] CLIP (TAB)  
33. 7X-2549 M [3] BOLT (M12X1.75X100-MM)  
34. 7X-7729 [1] WASHER (11X25X3-MM THK)  
35. 8C-3370 [1] CONNECTOR  
36. 8T-4121 [12] WASHER-HARD (11X21X2.5-MM THK)  
37. 8T-4136 M [1] BOLT (M10X1.5X25-MM)  
38. 8T-4195 M [8] BOLT (M10X1.5X30-MM)  
39. 8T-4223 [3] WASHER-HARD (13.5X25.5X3-MM THK)  
40. 8T-6466 M [4] BOLT (M10X1.5X60-MM)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBC12120059
 

139-2327: PUMP & MOTOR GP-SEC STEERING

139-2327 PUMP & MOTOR GP-SEC STEERING
PART OF 143-2463 PUMP & MTG GP-SECONDARY STEER
i00713881 SEBC1212
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Parts for your 938G WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  139-2597 [1] BRUSHES-CARBON  
  139-2596 [1] MOTOR-SECONDARY STEERING  
  139-2593 [1] PUMP-SECONDARY STEERING  
  139-2599 [1] RELAY (SECONDARY STEERING MOTOR)  
  139-2595 [1] SEAL-PUMP  
  139-2598 [1] SEAL-SHAFT  
  139-2594 [1] VALVE-RELIEF  
 

Information:

Operation and Maintenance Manual
Brake Accumulator - Check
938G Wheel Loader and IT38G Integrated Toolcarrier
Traction Control System (TCS) - If Equipped
938G Wheel Loader and IT38G Integrated Toolcarrier
Special Instruction
Procedure to Install Parking Brake Lever That is Now Available For All 914G, 924G, 928G, 930G,938G, IT914G, IT928G, and IT938G Compact And Small Wheel Loaders{4284}
Procedure to Install Parking Brake Lever That is Now Available For All 914G, 924G, 928G, 930G,938G, IT914G, IT928G, and IT938G Compact And Small Wheel Loaders{4284}
Technical Information Bulletin
Transmission Neutralization
Transmission Neutralization
Specifications
Transmission Neutralizer Switch
938G Wheel Loader and IT38G Integrated Toolcarrier Braking System
Brake Accumulator Charging Valve
938G Wheel Loader and IT38G Integrated Toolcarrier Braking System
Parking Brake Control
938G Wheel Loader and IT38G Integrated Toolcarrier Braking System
Service Brake Oil Pressure Switch
938G Wheel Loader and IT38G Integrated Toolcarrier Braking System
Parking Brake Limit Switch
938G Wheel Loader and IT38G Integrated Toolcarrier Braking System
Service Brake Control
938G Wheel Loader and IT38G Integrated Toolcarrier Braking System
Stop Lamp Limit Switch
938G Wheel Loader and IT38G Integrated Toolcarrier Braking System
Accumulator Charging Valve
938G Wheel Loader, 938G Series II
Wheel Loader, IT38G
Integrated Toolcarrier and IT38G Series II
Integrated Toolcarrier Traction Control System

Pressure Reducing Valve
938G Wheel Loader, 938G Series II
Wheel Loader, IT38G
Integrated Toolcarrier and IT38G Series II
Integrated Toolcarrier Traction Control System

Wheel Speed Sensor
938G Wheel Loader, 938G Series II
Wheel Loader, IT38G
Integrated Toolcarrier and IT38G Series II
Integrated Toolcarrier Traction Control System

Systems Operation
Brake Accumulator Charging Valve
938G Wheel Loader and IT38G Integrated Toolcarrier Braking System
Parking Brake Control
938G Wheel Loader and IT38G Integrated Toolcarrier Braking System
Transmission Neutralizer Switch
938G Wheel Loader and IT38G Integrated Toolcarrier Braking System
Service Brake Oil Pressure Switch
938G Wheel Loader and IT38G Integrated Toolcarrier Braking System
Transmission Electrical System
938G Wheel Loader and IT38G Integrated Toolcarrier Power Train
Electrical Components
938G Wheel Loader, 938G Series II
Wheel Loader, IT38G
Integrated Toolcarrier and IT38G Series II
Integrated Toolcarrier Traction Control System

General Information
938G Wheel Loader, 938G Series II
Wheel Loader, IT38G
Integrated Toolcarrier and IT38G Series II
Integrated Toolcarrier Traction Control System

Hydraulic and Electrical Operation
938G Wheel Loader, 938G Series II
Wheel Loader, IT38G
Integrated Toolcarrier and IT38G Series II
Integrated Toolcarrier Traction Control System

Hydraulic Components
938G Wheel Loader, 938G Series II
Wheel Loader, IT38G
Integrated Toolcarrier and IT38G Series II
Integrated Toolcarrier Traction Control System

Shuttle Valve
938G Wheel Loader, 938G Series II
Wheel Loader, IT38G
Integrated Toolcarrier and IT38G Series II
Integrated Toolcarrier Traction Control System

Accumulator Charging Valve
938G Wheel Loader, 938G Series II
Wheel Loader, IT38G
Integrated Toolcarrier and IT38G Series II
Integrated Toolcarrier Traction Control System

Reuse And Salvage Guidelines
Final Drive Steering System, Wheel Braking System, and Wheels & Tires Salvage and Reuse Manual Contents {4000, 4050, 4100, 4250, 4300}
Final Drive Steering System, Wheel Braking System, and Wheels & Tires Salvage and Reuse Manual Contents {4000, 4050, 4100, 4250, 4300}
Testing and Adjusting
Brake Accumulator Charging Valve - Test and Adjust
938G Wheel Loader and IT38G Integrated Toolcarrier Braking System
Accumulator Charging Valve - Test and Adjust
938G Wheel Loader, 938G Series II
Wheel Loader, IT38G
Integrated Toolcarrier and IT38G Series II
Integrated Toolcarrier Traction Control System

Pressure Reducing Valve - Test and Adjust
938G Wheel Loader, 938G Series II
Wheel Loader, IT38G
Integrated Toolcarrier and IT38G Series II
Integrated Toolcarrier Traction Control System

Articulation Angle Position Sensor - Adjust and Calibrate
938G Wheel Loader, 938G Series II
Wheel Loader, IT38G
Integrated Toolcarrier and IT38G Series II
Integrated Toolcarrier Traction Control System

Wheel Speed Sensor - Replace
938G Wheel Loader, 938G Series II
Wheel Loader, IT38G
Integrated Toolcarrier and IT38G Series II
Integrated Toolcarrier Traction Control System

Parking Brake Control - Adjust
938G Wheel Loader and IT38G Integrated Toolcarrier Braking System
Parking Brake Limit Switch - Adjust
938G Wheel Loader and IT38G Integrated Toolcarrier Braking System
Stop Lamp Limit Switch - Adjust
938G Wheel Loader and IT38G Integrated Toolcarrier Braking System
Transmission Neutralizer Switch - Adjust
938G Wheel Loader and IT38G Integrated Toolcarrier Braking System
Service Brake Control (Pedals) - Adjust
938G Wheel Loader and IT38G Integrated Toolcarrier Braking System
Troubleshooting
General Information
938G Wheel Loader, 938G Series II
Wheel Loader, IT38G
Integrated Toolcarrier and IT38G Series II
Integrated Toolcarrier Traction Control System

Disassembly and Assembly
Brake Accumulator - Remove and Install
938G Wheel Loader and IT38G Integrated Toolcarrier Machine Systems
Control Valve (Service Brake) - Remove and Install
938G Wheel Loader and IT38G Integrated Toolcarrier Machine Systems
Accumulator Charging Valve (Brake) - Remove and Install
938G Wheel Loader and IT38G Integrated Toolcarrier Machine Systems
Pressure Reducing Valve (Traction Control System) - Remove and Install
938G Wheel Loader and IT38G Integrated Toolcarrier Machine Systems
Brake Valve (Proportional) (Traction Control System) - Remove
938G Wheel Loader and IT38G Integrated Toolcarrier Machine Systems
Brake Valve (Proportional) (Traction Control System) - Install
938G Wheel Loader and IT38G Integrated Toolcarrier Machine Systems
Brake Valve (Proportional) (Traction Control System) - Disassemble
938G Wheel Loader and IT38G Integrated Toolcarrier Machine Systems
Brake Valve (Proportional) (Traction Control System) - Assemble
938G Wheel Loader and IT38G Integrated Toolcarrier Machine Systems
Service Magazine

Caterpillar Parts SIS Catalog 938G :

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