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155-3822 REGULATOR AS-VOLTAGE S/N 5UA2140-UP; 6FA3000-UP; 6MA884-UP; 6NA1453-UP; 6SA537-UP 240-VOLT. VR3F, SELF EXCITED FIELD REPLACEMENT FOR @@@@@ 4P-6845@@@@@ SR4




GENERATORS

REGULATOR GP-VOLTAGE
 

#SEBP23000810
 

155-3822: REGULATOR AS-VOLTAGE

155-3822 REGULATOR AS-VOLTAGE
S/N 5UA2140-UP; 6FA3000-UP; 6MA884-UP; 6NA1453-UP; 6SA537-UP
240-VOLT. VR3F, SELF EXCITED
FIELD REPLACEMENT FOR @@@@@ 4P-6845@@@@@
i00823466 SEBP2300
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Parts for your SR4 GENERATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8M-8468 [1] SEAL-O-RING  
2. 6V-8374 [17] SCREW-MACHINE (6-32X0.25-IN)  
3. 9Y-8420 [1] COVER (FUSE)  
4. 9S-8750 [4] NUT-FULL (1/4-20-THD)  
5. 4B-4674 [4] WASHER (6.4X14.5X1.6-MM THK)  
6. 7C-3887 [4] BOLT (1/4-20X4.5-IN)  
7. 9Y-8419 [2] FUSE (12-AMPERE)  
8. 4B-1242 [1] SCREW-MACHINE (12-24X0.375-IN)  
9. 4P-9826 [1] BLOCK-FUSE  
 

#SEBP23000811
 

155-3832: REGULATOR AS-VOLTAGE

155-3832 REGULATOR AS-VOLTAGE -DIGITAL
S/N 5UA2140-UP; 6AA575-UP; 3EF604-UP; 6FA3000-UP; 6MA709-UP; 6NA619-UP; 6PA535-UP; 6SA537-UP; 2ED420-UP; 5TD601-UP; 8FD602-UP
125-VOLT TO 249-VOLT
PART OF 116-7846, 121-6202 REGULATOR GP-VOLTAGE
AN ATTACHMENT
i01085759 SEBP2300
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Parts for your SR4 GENERATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8S-4711 [4] BOLT (1/4-20X4.5-IN)  
2. 9S-8750 [4] NUT-FULL (1/4-20-THD)  
3. 5P-0537 [4] WASHER-HARD (7.2X14.5X2-MM THK)  
4. 2F-7306 [25] SCREW-MACHINE (6-32X0.25-IN)  
 

#SEBP23000812
 

155-3835: REGULATOR AS-VOLTAGE

155-3835 REGULATOR AS-VOLTAGE -DIGITAL
S/N 5UA2140-UP; 6FA3000-UP; 6MA709-UP; 6NA619-UP; 6PA535-UP; 2ED420-UP; 5TD601-UP
125-VOLT TO 249-VOLT
PART OF 116-7849 REGULATOR GP-VOLTAGE
AN ATTACHMENT
i01085785 SEBP2300
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Parts for your SR4 GENERATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8S-4711 [4] BOLT (1/4-20X4.5-IN)  
2. 9S-8750 [4] NUT-FULL (1/4-20-THD)  
3. 5P-0537 [4] WASHER-HARD (7.2X14.5X2-MM THK)  
4. 2F-7306 [25] SCREW-MACHINE (6-32X0.25-IN)  
 

#SEBP23000813
 

202-8634: REGULATOR AS-VOLTAGE

202-8634 REGULATOR AS-VOLTAGE -DIGITAL
S/N 5UA2140-UP; 6AA575-UP; 3EF604-UP; 8ZL128-UP; 2SM1-UP; 6FA3000-UP; 6MA709-UP; 6NA619-UP; 6PA535-UP; 6SA537-UP; 2ED420-UP; 5TD601-UP; 8FD602-UP
240-VOLT. VR6
AN ATTACHMENT
i01540519 SEBP2300
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Parts for your SR4 GENERATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6V-8374 [19] SCREW-MACHINE (6-32X0.25-IN)  
2. 6V-8185 [4] NUT (1/4-20-THD)  
3. 4B-4674 [8] WASHER (6.4X14.5X1.6-MM THK)  
4. 7C-3887 [4] BOLT (1/4-20X4.5-IN)  
5. 219-3484 [1] FILM-WARNING (ELECTROCUTION HAZARD, READ OMM)  
 

#SEBP23000814
 

235-5725: REGULATOR AS-VOLTAGE

235-5725 REGULATOR AS-VOLTAGE -DIGITAL
S/N 5UA2140-UP; 6AA575-UP; 3EF604-UP; 6FA3000-UP; 6MA709-UP; 6NA619-UP; 6PA535-UP; 6SA537-UP; 2ED420-UP; 5TD601-UP; 8FD602-UP
120-VOLT TO 600-VOLT
PART OF 121-6202 REGULATOR GP-VOLTAGE
AN ATTACHMENT
i01998804 SEBP2300
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Parts for your SR4 GENERATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 219-3484 [1] FILM-WARNING (ELECTROCUTION HAZARD, READ OMM)  
 

#SEBP23000815
 

314-7755: REGULATOR AS-VOLTAGE

314-7755 REGULATOR AS-VOLTAGE -GENERATOR
S/N 5UA2140-UP; 6AA575-UP; 3EF604-UP; 6FA3000-UP; 6MA709-UP; 6NA619-UP; 6PA535-UP; 6SA537-UP; 2ED420-UP; 5TD601-UP; 8FD602-UP
120-VOLT TO 600-VOLT
PART OF 115-5136 KIT-MARINE GENERATOR PARTS, 121-6202 REGULATOR GP-VOLTAGE
AN ATTACHMENT
i02888906 SEBP2300
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Parts for your SR4 GENERATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 241-0158 [1] FILM-WARNING (SHOCK, ELECTROCUTION HAZARD)  
 

#SEBP23000816
 

3N-7755: REGULATOR AS-VOLTAGE

3N-7755 REGULATOR AS-VOLTAGE
S/N 6FA3000-3239
PART OF 5N-5026, 5N-7070, 5N-7071, 5N-7308 GENERATOR GP
i00366750 SEBP2300
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Parts for your SR4 GENERATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5N-1850 C [1] REGULATOR AS  
2. 5N-6431 [2] CLAMP AS  
3. 8L-5832 [4] NUT-HEX (10-32-THD)  
4. 5N-6171 C [1] CAPACITOR AS  
5. 3N-2045 [2] CLAMP AS  
6. 3N-7806 [1] RESISTOR AS  
7. 5N-6170 C [1] CAPACITOR AS  
8. 3N-2043 [1] REACTOR AS  
9. 5N-3958 [1] FILM-IDENTIFICATION (VOLTAGE REGULATOR)  
10. 3N-2056 [1] STRIP-TERMINAL  
11. 3N-2055 [1] MARKER  
12. 3N-7808 [1] HOLDER-FUSE  
13. 3N-7807 [1] FUSE (15-AMPERE)  
14. 3N-7750 [1] PROTECTOR  
15. 3N-7752 [2] SPACER  
16. 3N-2040 [1] RHEOSTAT AS  
17. 3N-7805 [1] SUPPRESSOR-VOLTAGE  
18. 3N-2041 [1] RHEOSTAT AS  
19. 3N-7809 [1] HARNESS AS (VOLTAGE REGULATOR)  
20. 6L-7004 Y [1] POTENTIOMETER (8-OHM, 25-WATT)  
21. 3N-7798 [1] RECTIFIER AS  
22. 3N-7804 [1] RECTIFIER AS (FIELD)  
23. 3N-7803 [1] RECTIFIER AS (CONT.)  
24. 3N-4471 [1] INSULATOR  
   
    AVAILABLE REPAIR KIT(S):
  3N-5536 C [1] KIT-HARDWARE (VOLTAGE REGULATOR)  
    (INCLUDES WASHERS, NUTS, & SCREWS)
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBP23000817
 

4W-3879: REGULATOR AS-VOLTAGE

4W-3879 REGULATOR AS-VOLTAGE
S/N 6PA689-1162
480-VOLT
PART OF 7C-1609 GENERATOR GP
i00379250 SEBP2300
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Parts for your SR4 GENERATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5N-8002 C [1] REGULATOR AS-VOLTAGE  
2. 3N-2055 [1] MARKER  
3. 4W-0185 [1] MODULE AS  
4. 5N-6171 [1] CAPACITOR AS  
5. 4W-3910 [1] HARNESS AS-WIRING (VOLTAGE REGULATOR)  
6. 3N-7806 [1] RESISTOR AS  
7. 5N-6170 [1] CAPACITOR AS  
8. 3N-2043 [1] REACTOR AS  
9. 5N-3958 [1] FILM-IDENTIFICATION  
10. 4W-5276 C [1] STRIP-TERMINAL  
11. 4W-5274 C [1] MARKER  
12. 3N-7808 [1] HOLDER-FUSE  
13. 3N-7807 [1] FUSE (15-AMPERE)  
14. 4W-5277 C [1] PROTECTOR  
15. 3N-7752 [2] SPACER  
16. 6L-7004 Y [1] POTENTIOMETER (8-OHM, 25-WATT)(DROOP)  
17. 4W-5273 C [1] SUPPRESSOR-VOLTAGE  
18. 3N-2041 C [2] RHEOSTAT AS  
19. 5N-8006 C [1] RECTIFIER AS  
20. 3N-7803 [1] RECTIFIER AS  
21. 4W-0182 [1] RECTIFIER AS  
   
    AVAILABLE REPAIR KIT(S):
  3N-5536 [1] KIT-HARDWARE (REGULATOR)  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBP23000818
 

4W-5271: REGULATOR AS-VOLTAGE

4W-5271 REGULATOR AS-VOLTAGE
S/N 6FA3014-4596; 6MA709-883; 6NA792-1462; 5TD601-655
240-VOLT
PART OF 5N-5026, 5N-7308, 7C-1603, 7C-1607, 7C-3537 GENERATOR GP
i00379586 SEBP2300
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Parts for your SR4 GENERATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5N-8002 C [1] REGULATOR AS-VOLTAGE  
2. 5N-8006 [1] RECTIFIER AS  
3. 4W-0182 [1] RECTIFIER AS (FIELD)  
4. 3N-7803 [1] RECTIFIER AS (CONTROLLED)  
5. 5N-6171 [1] CAPACITOR AS  
6. 3N-7806 [1] RESISTOR AS  
7. 5N-6170 [1] CAPACITOR AS  
8. 3N-2043 [1] REACTOR AS  
9. 5N-3958 [1] FILM-IDENTIFICATION (FUSE TYPE)  
10. 4W-5276 [1] STRIP-TERMINAL  
11. 4W-5274 C [1] MARKER (TERMINAL)  
12. 3N-7808 [1] HOLDER-FUSE  
13. 3N-7807 [1] FUSE (15-AMPERE)  
14. 4W-5277 [1] PROTECTOR (THERMAL)  
15. 3N-7752 [2] SPACER  
16. 3N-2055 [1] MARKER  
17. 4W-5273 [1] SUPPRESSOR-VOLTAGE  
18. 3N-2041 [2] RHEOSTAT AS  
19. 5N-8784 [1] HARNESS AS-WIRING (VOLTAGE REGULATOR)  
20. 6L-7004 [1] POTENTIOMETER (8-OHM, 25-WATT)(DROOP)  
   
    AVAILABLE REPAIR KIT(S):
  3N-5536 [1] KIT-HARDWARE (VOLTAGE REGULATOR)  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP23000819
 

5N-5081: REGULATOR AS-VOLTAGE

5N-5081 REGULATOR AS-VOLTAGE
S/N 6AA575-UP; 6MA709-883; 6NA619-UP; 6PA535-UP; 6SA537-UP; 2ED480-UP; 5TD601-655; 3EF604-607
480-VOLT
PART OF 5N-5100, 5N-9439, 5N-9478, 7C-4903 REGULATOR AS-VOLTAGE
i00385348 SEBP2300
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Parts for your SR4 GENERATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5N-9092 [1] COVER  
2. 5N-9097 [1] BOARD AS (M1)  
3. 5N-7315 [1] BOARD AS (M3)  
4. 5N-5019 [1] BOARD AS (M2)  
5. 5N-9090 [1] BRACKET  
6. 5N-9105 [1] BOARD AS (M5)  
7. 5N-5102 [1] BOARD AS (M4)  
8. 4W-1079 C [4] GUIDE-CARD  
  C   CHANGE FROM PREVIOUS TYPE
 

Information:

Engine News
Special Instruction
Installing the VR3 Voltage Regulator On SR4 Generators{4467}
Installing the VR3 Voltage Regulator On SR4 Generators{4467}
Replacement of 7C2662, 7C2664 or 7C3507 VR3 Voltage Regulators{4467}
Replacement of 7C2662, 7C2664 or 7C3507 VR3 Voltage Regulators{4467}
Installation Instructions for the New Caterpillar Digital Voltage Regulator (CDVR) In Field Retrofit Applications{4467}
Installation Instructions for the New Caterpillar Digital Voltage Regulator (CDVR) In Field Retrofit Applications{4467}
Technical Information Bulletin
Loose Connections on Voltage Regulators Can Lead to Above Normal Voltage Output and Regulator Failure
Loose Connections on Voltage Regulators Can Lead to Above Normal Voltage Output and Regulator Failure
Specifications
Dimensions
Digital Voltage Regulator
Electrical
Digital Voltage Regulator
Electrical
Cat® Digital Voltage Regulator
Dimensions
Cat® Digital Voltage Regulator
Systems Operation
Customer Options
Digital Voltage Regulator
Display and Keypad
Digital Voltage Regulator
Fault Classifications
Digital Voltage Regulator
Fault Codes
Digital Voltage Regulator
General Information
Digital Voltage Regulator
Loading and Stopping Profile
Digital Voltage Regulator
Parameters
Digital Voltage Regulator
Remote Communication
Digital Voltage Regulator
Startup Profile Function
Digital Voltage Regulator
KVAR Regulation
Digital Voltage Regulator
Power Factor Regulation
Digital Voltage Regulator
Voltage Regulation
Digital Voltage Regulator
Line Loss Compensation
Digital Voltage Regulator
Reactive Voltage Droop
Digital Voltage Regulator
Cross Current Compensation
Digital Voltage Regulator
VR3F Voltage Regulator Connections (SR4B for 3500 Engines)
Connection Diagrams: SR4 and SR4B Generators, Voltage Regulators, Options
Digital Voltage Regulator Connections (All Except SR4B for 3500 Engines)
Connection Diagrams: SR4 and SR4B Generators, Voltage Regulators, Options
VR3F Voltage Regulator Connections (All Except SR4B for 3500 Engines)
Connection Diagrams: SR4 and SR4B Generators, Voltage Regulators, Options
VR3 Voltage Regulator Connections (SR4B for 3500 Engines)
Connection Diagrams: SR4 and SR4B Generators, Voltage Regulators, Options
Digital Voltage Regulator Connections (SR4B for 3500 Engines)
Connection Diagrams: SR4 and SR4B Generators, Voltage Regulators, Options
VR4 Voltage Regulator Connections (All Except SR4B for 3500 Engines)
Connection Diagrams: SR4 and SR4B Generators, Voltage Regulators, Options
VR3 Voltage Regulator Connections (All Except SR4B for 3500 Engines)
Connection Diagrams: SR4 and SR4B Generators, Voltage Regulators, Options
Selection Guide for Voltage Regulator (All Except SR4B for 3500 Engines)
Connection Diagrams: SR4 and SR4B Generators, Voltage Regulators, Options
Selection Guide for Voltage Regulator (SR4B for 3500 Engines)
Connection Diagrams: SR4 and SR4B Generators, Voltage Regulators, Options
General Information
Cat® Digital Voltage Regulator
Startup Profile Function
Cat® Digital Voltage Regulator
Loading and Stopping Profile
Cat® Digital Voltage Regulator
Voltage Regulation
Cat® Digital Voltage Regulator
Line Loss Compensation
Cat® Digital Voltage Regulator
Reactive Voltage Droop
Cat® Digital Voltage Regulator
Cross Current Compensation
Cat® Digital Voltage Regulator
KVAR Regulation
Cat® Digital Voltage Regulator
Power Factor Regulation
Cat® Digital Voltage Regulator
Parameters
Cat® Digital Voltage Regulator
Remote Communication
Cat® Digital Voltage Regulator
Voltage Control
Electric Power Generation Principles
Group Support Level
Cat® Digital Voltage Regulator
Features
Product Link For Generator Sets
Parameters
Product Link For Generator Sets
Testing and Adjusting
Fault Handling
Digital Voltage Regulator
General Information
Digital Voltage Regulator
Service Tools
Cat® Digital Voltage Regulator
Startup Procedure
Cat® Digital Voltage Regulator
High Voltage - Troubleshoot
Digital Voltage Regulator
Inaccurate Display - Troubleshoot
Digital Voltage Regulator
Low Voltage - Troubleshoot
Digital Voltage Regulator
No Voltage - Troubleshoot
Digital Voltage Regulator
Reverse VAR Condition - Troubleshoot
Digital Voltage Regulator
Unstable Voltage - Troubleshoot
Digital Voltage Regulator
Watchdog Alarm - Troubleshoot
Digital Voltage Regulator
Troubleshooting
Digital Voltage Regulator
Wiring Diagrams
Digital Voltage Regulator
General Information
Cat® Digital Voltage Regulator
Wiring Diagrams
Cat® Digital Voltage Regulator
Troubleshooting
Cat® Digital Voltage Regulator
No Voltage - Troubleshoot
Cat® Digital Voltage Regulator
Low Voltage - Troubleshoot
Cat® Digital Voltage Regulator
High Voltage - Troubleshoot
Cat® Digital Voltage Regulator
Unstable Voltage - Troubleshoot
Cat® Digital Voltage Regulator
No Voltage Droop - Troubleshoot
Cat® Digital Voltage Regulator
No Line Loss Compensation - Troubleshoot
Cat® Digital Voltage Regulator
Poor Voltage Regulation - Troubleshoot
Cat® Digital Voltage Regulator
Gain Setting - Adjust
Cat® Digital Voltage Regulator
Reverse VAR Condition - Troubleshoot
Cat® Digital Voltage Regulator
Generator Overcurrent - Troubleshoot
Cat® Digital Voltage Regulator
Startup Procedure
Digital Voltage Regulator
Earlier CDVR Dissimilarities
Cat® Digital Voltage Regulator
Service Magazine

Caterpillar Parts SIS Catalog SR4 :

Truck sale:

66,650 
Caterpillar SR4, Construction
- mobile generator sets
N C MACHINERY CO.
 
CATERPILLAR SR4 2014
- MOBILE GENERATOR SETS
N C MACHINERY
- Billings - United States
 
CATERPILLAR SR4 1900
- OTHER
EMPIRE MACHINERY CO
1725 South Country Club Drive - Mesa -
Call 
2000 CAT SR4

Miller Heavy Equipment
Medley, Florida
USD $39,500 
1990 CAT SR4

Ryals Machinery Company Inc.
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AVSpare.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only. Cat® and Caterpillar® are registered trademarks of Caterpillar, Inc.