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9Y8400 REGULATOR AS-AUTOMATIC VOLTAGE PART OF 4W7430, 4W7431 & 7W8744 GENERATORS 3306 INDUSTRIAL ENGINE




GENERATORS

REGULATOR GP-VOLTAGE
 

#SEBP12001290
 

9Y-8400: REGULATOR AS-AUTOMATIC VOLTAGE

9Y8400 REGULATOR AS-AUTOMATIC VOLTAGE
PART OF 4W7430, 4W7431 & 7W8744 GENERATORS
c524572 SEBP1200
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Parts for your 3306 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8M-8468 [2] SEAL-O-RING  
2. 6V-8374 [16] SCREW-MACHINE  
3. 9Y-8420 [1] COVER  
4. 9S-8750 [4] NUT-FULL  
5. 4B-4674 [4] WASHER (1.6MM THK)  
6. 7C-3887 [4] SCREW  
7. 4P-9826 [1] BLOCK-FUSE  
8. 9Y-8419 [2] FUSE (12 AMP)  
9. 4B-1242 [2] SCREW-MACHINE  
 

#SEBP12001291
 

5N-2655: ROTOR AS

5N2655 ROTOR AS
GENERATOR S/N 5CA1-3590
PART OF 5N0002,5N0014,5N0015 & 5N0016 GENERATORS
c175817 SEBP1200
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Parts for your 3306 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-8972 [1] HEAT SINK ASSEM. (positive)  
    (Includes)
2. 9B-7233 [2] LOCKWASHER  
3. 3N-8968 [3] RECTIFIER ASSEM.  
4. 3N-1958 [2] TUBE  
5. 3N-1961 [1] VOLTAGE SUPPRESSOR  
6. 3N-1960 [1] CLAMP  
7. 3N-1959 [1] RESISTOR ASSEM.  
8. 7S-1197 [1] SCREW  
  4B-2043 [1] NUT  
9. 3N-9115 [2] STRIP (terminal)  
10. 5N-2674 [1] HUB  
11. 3N-8973 [1] HEAT SINK ASSEM. (negative)  
    (Includes)
12. 9B-7233 [1] LOCKWASHER  
13. 3N-1970 [1] VOLTAGE SUPPRESSOR  
14. 3N-1958 [2] TUBE  
15. 3N-8969 [3] RECTIFIER ASSEM.  
16. 1H-4336 [2] SCREW  
  8L-5832 [2] NUT  
  8F-1434 [2] LOCKWASHER  
17. 3D-9799 [4] SCREW  
  9B-7233 [4] LOCKWASHER  
18. 3N-1645 [4] SCREW  
  4L-6499 [4] WASHER  
19. 3N-1965 [1] BEARING  
20. 6S-1753 [1] RING  
21. 5N-6498 C [1] CORE ASSEM.  
  C   INDICATES CHANGE
 

#SEBP12001292
 

5N-8884: ROTOR AS

5N8884 ROTOR AS
GENERATOR SERIAL NO 5CA3591-UP
PART OF 5N0002,5N0014,5N0015 & 5N0016 GENERATORS
c304163 SEBP1200
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Parts for your 3306 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
6. 3N-1961 [1] SUPPRESSOR-VOLTAGE  
7. 3N-1958 [2] TUBE-INSULATING  
8. 3N-1960 [1] CLAMP-RESISTOR  
9. 3N-1959 [1] RESISTOR AS  
10. 7S-1197 [1] SCREW-MACHINE  
11. 4B-2043 [1] NUT  
12. 9B-7233 [2] LOCKWASHER  
13. 3N-8968 [3] RECTIFIER AS  
16. 3N-1958 [2] TUBE-INSULATING  
17. 3N-8969 [3] RECTIFIER AS  
18. 3N-1970 [1] SUPPRESSOR-VOLTAGE  
19. 9B-7233 [1] LOCKWASHER  
 

#SEBP12001293
 

5N-2656: ROTOR AS

5N2656 ROTOR AS
GENERATOR S/N 5DA1-3318
PART OF 5N0003,5N0017,5N0018 & 5N0019 GENERATORS
ALSO AN ATTACHMENT
c175818 SEBP1200
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Parts for your 3306 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-8972 [1] HEAT SINK ASSEM. (positive)  
    (Includes)
2. 9B-7233 [2] LOCKWASHER  
3. 3N-8968 [3] RECTIFIER ASSEM.  
4. 3N-1958 [2] TUBE  
5. 3N-1961 [1] VOLTAGE SUPPRESSOR  
6. 3N-1960 [1] CLAMP  
7. 3N-1959 [1] RESISTOR ASSEM.  
8. 7S-1197 [1] SCREW  
  4B-2043 [1] NUT  
9. 3N-9115 [1] TERMINAL  
10. 5N-2674 [2] HUB  
11. 3N-8973 [1] HEAT SINK ASSEM. (negative)  
    (Includes)
12. 9B-7233 [1] LOCKWASHER  
13. 3N-1970 [1] VOLTAGE SUPPRESSOR  
14. 3N-1958 [2] TUBE  
15. 3N-8969 [3] RECTIFIER ASSEM.  
16. 1H-4336 [2] SCREW  
  8L-5832 [2] NUT  
  8F-1434 [2] LOCKWASHER  
17. 3D-9799 [4] SCREW  
  9B-7233 [4] LOCKWASHER  
18. 3N-1645 [4] SCREW  
  4L-6499 [4] WASHER  
19. 3N-1965 [1] BEARING  
20. 6S-1753 [1] RING  
21. 5N-6498 C [1] CORE ASSEM.  
  C   INDICATES CHANGE
 

#SEBP12001294
 

4W-7451: ROTOR AS

4W7451 ROTOR AS
GENERATOR S/N 5DA4181-4813
PART OF 4W7427, 4W7428 & 4W7429 GENERATORS
c325707 SEBP1200
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Parts for your 3306 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6S-1753 [1] RING-RETAINING  
2. 3N-1965 [1] BALL BEARING  
3. 3N-1645 [4] SCREW-FORMING  
  4L-6499 [4] WASHER  
4. 5N-2674 [1] HUB-GENERATOR COUPLING  
5. 3N-8972 [1] HEAT SINK AS-POSITIVE (POS.)  
6. 3N-1961 [1] SUPPRESSOR-VOLTAGE  
7. 3N-1958 [2] TUBE-INSULATING  
8. 3N-1960 [1] CLAMP-RESISTOR  
9. 3N-1959 [1] RESISTOR AS  
10. 7S-1197 [1] SCREW-MACHINE  
11. 4B-2043 [1] NUT  
12. 9B-7233 [2] LOCKWASHER  
13. 3N-8968 [3] RECTIFIER AS  
14. 3D-9799 [4] SCREW-MACHINE  
  9B-7233 [4] LOCKWASHER  
15. 3N-8973 [1] HEAT SINK AS-NEGATIVE (NEG.)  
16. 3N-1958 [2] TUBE-INSULATING  
17. 3N-8969 [3] RECTIFIER AS  
18. 3N-1970 [1] SUPPRESSOR-VOLTAGE  
19. 9B-7233 [1] LOCKWASHER  
20. 1H-4336 [2] SCREW-MACHINE  
  8L-5832 [2] NUT-HEX  
  8F-1434 [2] LOCKWASHER  
21. 3N-9115 [2] STRIP-TERMINAL (TERMINAL)  
22. 5N-6497 [1] CORE AS-ROTOR  
23. 5N-0627 [8] WEDGE-POLE  
24. 5N-0626 [4] BOLT-SPECIAL  
  1B-4330 [4] NUT  
  5N-0618 [8] WASHER-SPRING  
 

#SEBP12001295
 

4W-7451: ROTOR AS

4W7451 ROTOR AS
GENERATOR S/N 5DA4814-UP
PART OF 4W7427, 4W7428 & 4W7429 GENERATORS
c540789 SEBP1200
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Parts for your 3306 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6S-1753 [1] RING-RETAINING  
2. 3N-1965 [1] BALL BEARING  
3. 3N-1645 [4] SCREW-FORMING  
  4L-6499 [4] WASHER  
4. 7C-5685 C [1] HUB-GENERATOR COUPLING  
5. 3N-8972 [1] HEAT SINK AS-POSITIVE  
6. 3N-1961 [1] SUPPRESSOR-VOLTAGE  
7. 3N-1958 [2] TUBE-INSULATING  
8. 3N-1960 [1] CLAMP-RESISTOR  
9. 3N-1959 [1] RESISTOR AS  
10. 7S-1197 [1] SCREW-MACHINE  
11. 4B-2043 [1] NUT  
12. 9B-7233 [2] LOCKWASHER  
13. 3N-8968 [3] RECTIFIER AS  
14. 3D-9799 [4] SCREW-MACHINE  
  9B-7233 [4] LOCKWASHER  
15. 7W-4470 C [1] HEAT SINK AS-NEGATIVE  
16. 3N-1958 [2] TUBE-INSULATING  
17. 3N-5312 [3] RECTIFIER AS  
18. 5N-0626 [4] BOLT-SPECIAL  
  1B-4330 [4] NUT  
  5N-0618 [8] WASHER-SPRING  
19. 5N-0627 [8] WEDGE-POLE  
20. 1H-4336 [2] SCREW-MACHINE  
  8L-5832 [2] NUT-HEX  
  8F-1434 [2] LOCKWASHER  
21. 3N-9115 [2] STRIP-TERMINAL  
22. 5N-6498 [1] CORE AS-ROTOR  
   
    THE FOLLOWING REPAIR
    KITS ARE AVAILABLE:
   
  4C-6715 [1] KIT-SILICONE-RECTIFIER  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP12001296
 

5N-8799: ROTOR AS

5N8799 ROTOR AS
GENERATOR S/N 5DA1-4310
PART OF 5N0003,5N0017,5N0018 & 5N0019 GENERATORS
c306739 SEBP1200
  For full view, you need register

Parts for your 3306 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6S-1753 [1] RING-RETAINING  
2. 3N-1965 [1] BALL BEARING  
3. 3N-1645 [4] SCREW-FORMING  
  4L-6499 [4] WASHER  
4. 5N-2674 [1] HUB-GENERATOR COUPLING  
5. 3N-8972 [1] HEAT SINK AS-POSITIVE (POS.)  
6. 3N-1961 [1] SUPPRESSOR-VOLTAGE  
7. 3N-1958 [2] TUBE-INSULATING  
8. 3N-1960 [1] CLAMP-RESISTOR  
9. 3N-1959 [1] RESISTOR AS  
10. 7S-1197 [1] SCREW-MACHINE  
11. 4B-2043 [1] NUT  
12. 9B-7233 [2] LOCKWASHER  
13. 3N-8968 [3] RECTIFIER AS  
14. 3D-9799 [4] SCREW-MACHINE  
  9B-7233 [4] LOCKWASHER  
15. 3N-8973 [1] HEAT SINK AS-NEGATIVE (NEG.)  
16. 3N-1958 [2] TUBE-INSULATING  
17. 3N-8969 [3] RECTIFIER AS  
18. 3N-1970 [1] SUPPRESSOR-VOLTAGE  
19. 9B-7233 [1] LOCKWASHER  
20. 1H-4336 [2] SCREW-MACHINE  
  8L-5832 [2] NUT-HEX  
  8F-1434 [2] LOCKWASHER  
21. 3N-9115 [2] STRIP-TERMINAL (TERMINAL)  
22. 5N-6497 [1] CORE AS-ROTOR  
23. 5N-0627 [8] WEDGE-POLE  
24. 5N-0626 [4] BOLT-SPECIAL  
  1B-4330 [4] NUT  
  5N-0618 [8] WASHER-SPRING  
 

#SEBP12001297
 

5N-2657: ROTOR AS

5N2657 ROTOR AS
GENERATOR S/N 5EA1-3100
PART OF 5N0027,5N0028,5N0029 & 5N0063 GENERATORS
ALSO AN ATTACHMENT
c227547 SEBP1200
  For full view, you need register

Parts for your 3306 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-8972 [1] HEAT SINK ASSEM. (positive)  
    (Includes)
2. 9B-7233 [2] LOCKWASHER  
3. 3N-8968 [3] RECTIFIER ASSEM.  
4. 3N-1958 [2] TUBE  
5. 3N-1961 [1] VOLTAGE SUPPRESSOR  
6. 3N-1960 [1] CLAMP  
7. 3N-1959 [1] RESISTOR ASSEM.  
8. 7S-1197 [1] SCREW  
  4B-2043 [1] NUT  
9. 3N-9115 [2] STRIP (terminal)  
10. 5N-2674 [1] HUB  
11. 3N-8973 [1] HEAT SINK ASSEM. (negative)  
    (Includes)
12. 9B-7233 [1] LOCKWASHER  
13. 3N-1970 [1] VOLTAGE SUPPRESSOR  
14. 3N-1958 [2] TUBE  
15. 3N-8969 [3] RECTIFIER ASSEM.  
16. 1H-4336 [2] SCREW  
  8L-5832 [2] NUT  
  8F-1434 [2] LOCKWASHER  
17. 3D-9799 [4] SCREW  
  9B-7233 [4] LOCKWASHER  
18. 3N-1645 [4] SCREW  
  4L-6499 [4] WASHER  
19. 3N-1965 [1] BEARING  
20. 6S-1753 [1] RING  
21. 5N-6498 C [1] CORE ASSEM.  
  C   INDICATES CHANGE
 

#SEBP12001298
 

5N-8885: ROTOR AS

5N8885 ROTOR AS
GENERATOR S/N 5EA3101-UP
PART OF 5N0027,5N0028,5N0029 & 5N0063 GENERATORS
c308000 SEBP1200
  For full view, you need register

Parts for your 3306 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6S-1753 [1] RING-RETAINING  
2. 3N-1965 [1] BALL BEARING  
3. 3N-1645 [4] SCREW-FORMING  
  4L-6499 [4] WASHER  
4. 5N-2674 [1] HUB-GENERATOR COUPLING  
5. 3N-8972 [1] HEAT SINK AS-POSITIVE (POS.)  
6. 3N-1961 [1] SUPPRESSOR-VOLTAGE  
7. 3N-1958 [2] TUBE-INSULATING  
8. 3N-1960 [1] CLAMP-RESISTOR  
9. 3N-1959 [1] RESISTOR AS  
10. 7S-1197 [1] SCREW-MACHINE  
11. 4B-2043 [1] NUT  
12. 9B-7233 [2] LOCKWASHER  
13. 3N-8968 [3] RECTIFIER AS  
14. 3D-9799 [4] SCREW-MACHINE  
  9B-7233 [4] LOCKWASHER  
15. 3N-8973 [1] HEAT SINK AS-NEGATIVE (NEG.)  
16. 3N-1958 [2] TUBE-INSULATING  
17. 3N-8969 [3] RECTIFIER AS  
18. 3N-1970 [1] SUPPRESSOR-VOLTAGE  
19. 9B-7233 [1] LOCKWASHER  
20. 1H-4336 [2] SCREW-MACHINE  
  8L-5832 [2] NUT-HEX  
  8F-1434 [2] LOCKWASHER  
21. 3N-9115 [2] STRIP-TERMINAL (TERMINAL)  
22. 5N-6498 [1] CORE AS-ROTOR  
23. 5N-0627 [16] WEDGE-POLE  
24. 5N-0626 [8] BOLT-SPECIAL  
  9S-8750 [8] NUT-FULL  
  5N-0618 [16] WASHER-SPRING  
 

#SEBP12001299
 

5N-2658: ROTOR AS

5N2658 ROTOR AS
PART OF 5N0004,5N0021,5N0022,5N0072,
5N0073,5N0074 & 5N0075 GENERATORS
c175819 SEBP1200
  For full view, you need register

Parts for your 3306 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-8972 [1] HEAT SINK ASSEM. (positive)  
    (Includes)
2. 9B-7233 [2] LOCKWASHER  
3. 3N-8968 [3] RECTIFIER ASSEM.  
4. 3N-1958 [2] TUBE  
5. 3N-1961 [1] VOLTAGE SUPPRESSOR  
6. 3N-1960 [1] CLAMP  
7. 3N-1959 [1] RESISTOR ASSEM.  
8. 7S-1197 [1] SCREW  
9. 4B-2043 [1] NUT  
10. 5N-2674 [1] HUB  
11. 3N-8973 [1] HEAT SINK ASSEM. (negative)  
    (Includes)
12. 9B-7233 [1] LOCKWASHER  
13. 3N-1970 [1] VOLTAGE SUPPRESSOR  
14. 3N-1958 [2] TUBE  
15. 3N-8969 [3] RECTIFIER ASSEM.  
16. 1H-4336 [2] SCREW  
  8L-5832 [2] NUT  
  8F-1434 [2] LOCKWASHER  
17. 3D-9799 [4] SCREW  
  9B-7233 [4] LOCKWASHER  
18. 3N-1645 [4] SCREW  
  4L-6499 [4] WASHER  
19. 3N-1965 [1] BEARING  
20. 6S-1753 [1] RING  
21. 3N-9115 [2] STRIP (terminal)  
22. 5N-6497 C [1] CORE ASSEM.  
  C   INDICATES CHANGE
 

Information:

Engine News
Special Instruction
Installing the VR3 Voltage Regulator On SR4 Generators{4467}
Installing the VR3 Voltage Regulator On SR4 Generators{4467}
Systems Operation
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
Voltage Control
Electric Power Generation Principles
Features
Product Link For Generator Sets
Parameters
Product Link For Generator Sets
Service Magazine

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