3N7766 ROTOR ASSEMBLY--Replaced by 5N5058 shown on Page 375B Part of 5N43, 5N60 and 5N44 Generator Groups shown on Pages 362, 366 and 370 3412



GENERATORS
GENERATOR GP
REGULATOR GP-VOLTAGE
GENERATOR GP

ENGINE - MACHINE 3412 ENGINE - MACHINE 38S
 3412 INDUSTRIAL ENGINE 38S00001-13235 SEBP1101 3412 38S   (2018)

GENERATORS

GENERATOR GP
EXCITER & HEAT SINK AS
5N-9421 EXCITER & HEAT SINK AS
KIT-SPACE HEATER
7W-9576 KIT-SPACE HEATER
ROTOR AS
3N-7766 ROTOR AS
ROTOR AS
5N-5058 ROTOR AS
ROTOR AS
5N-0598 ROTOR AS
ROTOR ASSEMBLY
3N-8355 ROTOR ASSEMBLY
 

#SEBP11011510
 

3N-7766: ROTOR AS

3N7766 ROTOR ASSEMBLY--Replaced by 5N5058 shown on Page 375B
Part of 5N43, 5N60 and 5N44 Generator Groups shown on Pages 362, 366 and 370
c154816 SEBP1101
3N7766 ROTOR AS Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

Pos. Part No Qty Parts name Comments
1. 7J-6580 [1] RING  
2. 5P-2448 [1] BEARING  
3. 3N-1645 [4] SCREW  
  4L-6499 [4] WASHER  
4. 7L-7382 [1] HUB  
5. 3N-7776 [2] VARISTOR ASSEM.  
6. 3N-7778 [1] HEAT SINK ASSEM. (positive)  
    (Includes)
7. 3N-1958 [2] TUBE  
8. 3N-1960 [1] CLAMP  
9. 3N-1959 [1] RESISTOR ASSEM.  
10. 7S-1197 [1] SCREW  
11. 4B-2043 [1] NUT  
12. 9B-7233 [2] LOCKWASHER  
13. 3N-5313 [3] RECTIFIER ASSEM.  
14. 3D-9799 C [4] SCREW  
  9B-7233 C [4] LOCKWASHER  
15. 3N-7777 [1] HEAT SINK ASSEM. (negative)  
    (Includes)
16. 3N-1958 [2] TUBE  
17. 3N-5312 [3] RECTIFIER ASSEM.  
18. 1H-4336 [2] SCREW  
  8L-5832 [2] NUT  
  8F-1434 [2] LOCKWASHER  
19. 3N-9115 C [2] STRIP (terminal)  
  C   INDICATES CHANGE
 

#SEBP11011511
 

5N-5081: REGULATOR AS

5N5081 VOLTAGE REGULATOR ASSEMBLY
Part of 5N9439 & 5N9442 Regulator Assemblies shown on Pages 376C & 376F
c313810 SEBP1101
5N5081 REGULATOR AS Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

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
 

#SEBP11011512
 

5N-9093: REGULATOR AS

5N9093 VOLTAGE REGULATOR ASSEMBLY
Part of 5N9440 & 5N9441 Regulator Assemblies shown on Pages 376D & 376E
c312643 SEBP1101
5N9093 REGULATOR AS Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

Pos. Part No Qty Parts name Comments
1. 5N-9092 [1] COVER  
2. 5N-9097 [1] BOARD AS (M1)  
3. 4W-6033 C [1] BOARD AS (M3)  
4. 5N-5019 [1] BOARD AS (M2)  
5. 5N-9090 [1] BRACKET  
6. 5N-7312 [1] CLIP  
  5N-9104 [1] RELAY  
7. 5N-9105 [1] BOARD AS (M5)  
8. 5N-5102 [1] BOARD AS (M4)  
9. 4W-1079 C [4] GUIDE-CARD  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP11011513
 

5N-5058: ROTOR AS

5N5058 ROTOR ASSEMBLY
Part of 5N43, 5N60 and 5N44 Generator Groups shown on Pages 363B-1, 363B-3, 367B-1, 367B-3, 371B-1 and 371B-3
c179488 SEBP1101
5N5058 ROTOR AS Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

Pos. Part No Qty Parts name Comments
1. 7J-6580 [1] RING-RETAINING  
2. 5P-2448 [1] BALL BEARING  
3. 3N-1645 [4] SCREW-FORMING  
  4L-6499 [4] WASHER  
4. 7L-7382 [1] HUB-COUPLING  
5. 3N-7776 [2] VARISTOR AS  
6. 3N-7778 [1] HEAT SINK AS (POSITIVE)  
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-5313 [3] RECTIFIER AS  
14. 3D-9799 [4] SCREW-MACHINE  
  9B-7233 [4] LOCKWASHER  
15. 3N-7777 [1] HEAT SINK AS (NEGATIVE)  
16. 3N-1958 [2] TUBE-INSULATING  
17. 3N-5312 [3] RECTIFIER AS  
18. 1H-4336 [2] SCREW-MACHINE  
  8L-5832 [2] NUT-HEX  
  8F-1434 [2] LOCKWASHER  
19. 3N-9115 [2] STRIP-TERMINAL  
20. 5N-6496 [1] CORE AS-ROTOR  
21. 5N-5020 C [1] RING-RETAINING  
22. 5N-5023 C [8] LOCK  
23. 5N-5022 C [1] RING-RETAINING  
24. 1B-2718 C [8] BOLT  
25. 1B-2716 C [8] BOLT  
26. 5N-5021 C [16] WEDGE-POLE  
27. 7L-0520 C [8] STUD-TAPERLOCK  
28. 1D-4717 C [16] NUT  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP11011514
 

5N-0598: ROTOR AS

5N0598 ROTOR ASSEMBLY
Part Of 5N0044, 5N0060, 5N0043 Generators
c313746 SEBP1101
5N0598 ROTOR AS Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

Pos. Part No Qty Parts name Comments
1. 7J-6580 [1] RING-RETAINING  
2. 5P-2448 [1] BALL BEARING  
3. 3N-1645 [4] SCREW-FORMING  
  4L-6499 [4] WASHER  
4. 7L-7382 [1] HUB-COUPLING  
5. 3N-7776 [2] VARISTOR AS  
6. 3N-7778 [1] HEAT SINK AS (POS)  
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-5313 [3] RECTIFIER AS  
14. 3D-9799 [4] SCREW-MACHINE  
  9B-7233 [4] LOCKWASHER  
15. 3N-7777 [1] HEAT SINK AS (NEG)  
16. 3N-1958 [2] TUBE-INSULATING  
17. 3N-5312 [3] RECTIFIER AS  
18. 1H-4336 [2] SCREW-MACHINE  
  8L-5832 [2] NUT-HEX  
  8F-1434 [2] LOCKWASHER  
19. 3N-9115 [2] STRIP-TERMINAL  
20. 5N-6496 [1] CORE AS-ROTOR  
21. 5N-5021 [16] WEDGE-POLE  
22. 5N-0432 [8] BOLT-SPECIAL  
  9S-8752 [8] NUT-FULL  
  8L-5394 [16] WASHER-SPRING  
 

#SEBP11011515
 

3N-8355: ROTOR ASSEMBLY

3N8355 ROTOR ASSEMBLY -- Replaced by 5N5055 shown on Page 376A
Part of 5N46, 5N61 and 5N47 Generator Groups shown on Pages 364, 368 and 372
c206811 SEBP1101
3N8355 ROTOR ASSEMBLY Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

Pos. Part No Qty Parts name Comments
1. 7J-6580 [1] RING  
2. 5P-2448 [1] BEARING  
3. 3N-1645 [4] SCREW  
  4L-6499 [4] WASHER  
4. 7L-7382 [1] HUB  
5. 3N-7776 [2] VARISTOR ASSEM.  
6. 3N-7778 [1] HEAT SINK ASSEM. (positive)  
    (Includes)
7. 3N-1958 [2] TUBE  
8. 3N-1960 [1] CLAMP  
9. 3N-1959 [1] RESISTOR ASSEM.  
10. 7S-1197 [1] SCREW  
11. 4B-2043 [1] NUT  
12. 9B-7233 [2] LOCKWASHER  
13. 3N-5313 [3] RECTIFIER ASSEM.  
14. 3D-9799 [4] SCREW  
  9B-7233 [4] LOCKWASHER  
15. 3N-7777 [1] HEAT SINK ASSEM. (negative)  
    (Includes)
16. 3N-1958 [2] TUBE  
17. 3N-5312 [3] RECTIFIER ASSEM.  
18. 1H-4336 [2] SCREW  
  8L-5832 [2] NUT  
  8F-1434 [2] LOCKWASHER  
19. 3N-9115 [2] STRIP (terminal)  
 

#SEBP11011516
 

5N-5055: ROTOR AS

5N5055 ROTOR ASSEMBLY
Part of 5N46, 5N61 and 5N47 Generator Groups shown on Pages 365B-1, 365B-3, 369B-1, 369B-3, 373B-1 and 373B-3
c179487 SEBP1101
5N5055 ROTOR AS Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

Pos. Part No Qty Parts name Comments
1. 7J-6580 [1] RING-RETAINING  
2. 5P-2448 [1] BALL BEARING  
3. 3N-1645 [4] SCREW-FORMING  
  4L-6499 [4] WASHER  
4. 7L-7382 [1] HUB-COUPLING  
5. 3N-7776 [2] VARISTOR AS  
6. 3N-7778 [1] HEAT SINK AS (POSITIVE)  
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-5313 [3] RECTIFIER AS  
14. 3D-9799 [4] SCREW-MACHINE  
  9B-7233 [4] LOCKWASHER  
15. 3N-7777 [1] HEAT SINK AS (NEGATIVE)  
16. 3N-1958 [2] TUBE-INSULATING  
17. 3N-5312 [3] RECTIFIER AS  
18. 1H-4336 [2] SCREW-MACHINE  
  8L-5832 [2] NUT-HEX  
  8F-1434 [2] LOCKWASHER  
19. 3N-9115 [2] STRIP-TERMINAL  
20. 5N-6496 [1] CORE AS-ROTOR  
21. 5N-5020 C [1] RING-RETAINING  
22. 5N-5023 C [8] LOCK  
23. 5N-5022 C [1] RING-RETAINING  
24. 1B-2718 C [8] BOLT  
25. 1B-2716 C [8] BOLT  
26. 5N-5021 C [24] WEDGE-POLE  
27. 7L-0520 C [12] STUD-TAPERLOCK  
28. 1D-4717 C [24] NUT  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP11011517
 

5N-0597: ROTOR AS

5N0597 ROTOR ASSEMBLY
Part Of 5N0046, 5N0061, 5N0047 Generators
c313743 SEBP1101
5N0597 ROTOR AS Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

Pos. Part No Qty Parts name Comments
1. 7J-6580 [1] RING-RETAINING  
2. 5P-2448 [1] BALL BEARING  
3. 3N-1645 [4] SCREW-FORMING  
  4L-6499 [4] WASHER  
4. 7L-7382 [1] HUB-COUPLING  
5. 3N-7776 [2] VARISTOR AS  
6. 3N-7778 [1] HEAT SINK AS (POS)  
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-5313 [3] RECTIFIER AS  
14. 3D-9799 [4] SCREW-MACHINE  
  9B-7233 [4] LOCKWASHER  
15. 3N-7777 [1] HEAT SINK AS (NEG)  
16. 3N-1958 [2] TUBE-INSULATING  
17. 3N-5312 [3] RECTIFIER AS  
18. 1H-4336 [2] SCREW-MACHINE  
  8L-5832 [2] NUT-HEX  
  8F-1434 [2] LOCKWASHER  
19. 3N-9115 [2] STRIP-TERMINAL  
20. 5N-6496 [1] CORE AS-ROTOR  
21. 5N-5021 [16] WEDGE-POLE  
22. 5N-0432 [8] BOLT-SPECIAL  
  9S-8752 [8] NUT-FULL  
  8L-5394 [16] WASHER-SPRING  
 

#SEBP11011518
 

5N-9162: ROTOR AS

5N9162 ROTOR ASSEMBLY-TYPE 1
Part Of 5N7216, 5N7217, 5N7218 & 5N7219 Generators
c237090 SEBP1101
5N9162 ROTOR AS Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

Pos. Part No Qty Parts name Comments
1. 1N-8620 [1] RING-RETAINING  
2. 3N-1645 [1] SCREW-FORMING  
3. 6L-7008 [1] STRAP-CABLE  
  2F-7306 [1] SCREW-MACHINE  
  9B-7233 [1] LOCKWASHER  
4. 5N-9150 [1] HUB-GENERATOR COUPLING  
5. 5N-9153 [1] DISC AS-BALANCE  
6. 4L-6677 [1] BALL BEARING  
 

#SEBP11011519
 

5N-9162: ROTOR AS

5N9162 ROTOR ASSEMBLY-TYPE 2
Part Of 5N7216, 5N7217, 5N7218, 5N7219 Generators
c338024 SEBP1101
5N9162 ROTOR AS Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

Pos. Part No Qty Parts name Comments
1. 1N-8620 [1] RING-RETAINING  
2. 8L-6521 C [12] BOLT  
  8L-5832 C [12] NUT-HEX  
  9F-5599 C [24] LOCKWASHER  
3. 4W-6716 C [6] POLE AS  
4. 7L-7382 C [1] HUB-COUPLING  
5. 5N-9153 [1] DISC AS-BALANCE  
6. 4L-6677 [1] BALL BEARING  
7. 4W-6715 C [12] WEDGE-POLE  
8. 7W-1992 C [1] KIT-LEAD ROTOR AS  
    (INCL. LEADS, CABLE
    TIE & SLEEVING)
  C   CHANGE FROM PREVIOUS TYPE
 

Information:

Engine News
If Malfunction Of The Engine Fault Light In The Control Panel Of SR-4 Generators Is A Problem, A Toggle Switch Can Be Used In Its Place
1980/01/09
Improvements To Generator-Mounted Control Panels
1982/11/10
Frequency Meter Failure; Make Sure It is Connected To The Correct Voltage
1983/07/06
Dust Can Cause Generator Set Vibration
1985/10/01
Meter Panel Cover Folds Down Completely
1985/11/01
Troubleshooting Solid State Suppressors
1986/04/01
Bearing Information For SR4 Generators
1986/09/01
Generator Sets Wired For Use With Customer-Supplied Switch Gear; Do Not Run Without Switchgear
1987/01/01
Guidebook For Caterpillar Inspection And Maintenance Program For Standby Generator Sets
1987/02/01
Two New Self-Powered Digital Tachometers And Signal Generator Available
1987/05/01
New Heat Sinks Have Solid Diode Wires
1988/09/01
Service Element Available For Flexible Coupling Group
1990/01/01
Corrections For Systems Operation, Troubleshooting, And Specifications For 2301 Electric Governors For Generator Set And Industrial Engines, SENR2928-01
1991/05/01
A List Of Contacts For Caterpillar Product Support Is Available {1000, 4450, 7000}
2002/04/01
Special Instruction
Replacement Of 5N1848, 5N1849 And 5N1850 A1 Module Regulator Assemblies{4467}
Replacement Of 5N1848, 5N1849 And 5N1850 A1 Module Regulator Assemblies{4467}
Use of 8T5200 Signal Generator/Counter Group{0778, 0783, 0785}
Use of 8T5200 Signal Generator/Counter Group{0778, 0783, 0785}
3412 Industrial/Marine/Generator Set{1400}
3412 Industrial/Marine/Generator Set{1400}
Alignment Of Single-Bearing Generators{4450}
Alignment Of Single-Bearing Generators{4450}
Installation Of 5N7375, 5N7376 And 5N7377 Enclosure Groups For Package Generator Sets{7002}
Installation Of 5N7375, 5N7376 And 5N7377 Enclosure Groups For Package Generator Sets{7002}
Installing Heli-Coil Inserts In Caterpillar Cylinder Heads{1117}
Installing Heli-Coil Inserts In Caterpillar Cylinder Heads{1117}
Alignment of Single-Bearing Generators {4471}
Alignment of Single-Bearing Generators {4471}
Systems Operation
Systems Operation
SR4 GENERATOR
Systems Operation
SR4 GENERATOR
Generator Operation
SR4B Generators
General Information
SR4B Generators
Component Descriptions
SR4B Generators
Glossary
SR4B Generators
Testing and Adjusting
Testing And Adjusting
SR4 GENERATOR
General Information
SR4B Generators
Troubleshooting
SR4B Generators
Generator Set - Test
SR4B Generators
Varistor - Test
SR4B Generators
Rotating Rectifier - Test
SR4B Generators
Winding - Test
SR4B Generators
Resistor - Test
SR4B Generators
Exciter Field - Flash
SR4B Generators
Generator - Dry
SR4B Generators
Insulation - Test
SR4B Generators
Disassembly and Assembly
Control Panel
SR4 GENERATOR
Generator Bearing<BR> (Outside Bearing Type RFA)
SR4 GENERATOR
Generator Bearing (Inside Bearing Type RFA)
SR4 GENERATOR
Generator Removal
SR4 GENERATOR
Alignment Of Single-Bearing Generators<BR> (Typical)
SR4 GENERATOR
Rotor Assembly
SR4 GENERATOR
Stator Assembly
SR4 GENERATOR
Coupling - Install
SR4B Generators
Coupling - Remove
SR4B Generators
Bearing - Remove and Install
SR4B Generators
Rotor - Remove and Install
SR4B Generators
Generator - Align
SR4B Generators
Generator - Install
SR4B Generators
Generator - Remove
SR4B Generators
Exciter - Remove and Install
SR4B Generators
Service Magazine
New Regulator And Field Coil Assemblies Used{1410,1405}
1981/11/23
Improvements To Generator-Mounted Control Panels{4450,7400}
1982/10/25
Dust Can Cause Generator Set Vibration{4450}
1985/10/07
Incorrect Connection Of Battery Charger Can Open Circuit Breaker And Damage Woodward 2301 Governor Control{1400,1401,4450}
1986/03/24
Troubleshooting Solid State Suppressors{4467,4466,4450}
1986/04/07
Change Wiring To Prevent Low Oil Pressure Shutdown Immediately After Start-Up {4450}
1986/07/28
Bearing Information For SR4 Generators{4471}
1986/09/01
Generator Sets Wired For Use With Customer-Supplied Switch Gear; Do Not Run Without Switch Gear{7002,7400}
1987/01/19
Guidebook For Caterpillar Inspection And Maintenance Program For Standby Generator Sets{0354,0370,0372}
1987/02/16
Alternator/Generator Output Test On The Engine{1401,1404,1405,1406}
1987/05/04
Two New Self-Powered Digital Tachometers And Signal Generator Available {7462}
1987/05/11
New Heat Sinks Have Solid Diode Wires{4472}
1988/09/19
Worldwide Service Directories Available For Marine, Petroleum, Power Generation Products{0354,0370,0374,0375,1022,4450}
1989/08/14
Re-Alignment Warning Tag On All 3500 Generator Sets Reminds Of Alignment Required At Installation {1021}
1998/06/29
A List Of Contacts For Caterpillar Product Support Is Available {1000, 4450, 7000}
2002/03/25

Caterpillar Parts SIS Catalog 3412 :

KIT-SPACE HEATER
7W-9576 KIT-SPACE HEATER
EXCITER & HEAT SINK AS
5N-9421 EXCITER & HEAT SINK AS
HEAT SINK AS-NEGATIVE
5N-5030 HEAT SINK AS-NEGATIVE
HEAT SINK AS-POSITIVE
5N-5027 HEAT SINK AS-POSITIVE
REGULATOR AS
3N-7755 REGULATOR AS
GENERATOR GP
5N-9432 GENERATOR GP
GENERATOR GP
5N-9432 GENERATOR GP
GENERATOR GP
5N-7071 GENERATOR GP
REGULATOR AS
5N-5081 REGULATOR AS
REGULATOR AS
5N-9093 REGULATOR AS
ROTOR AS
5N-5058 ROTOR AS
ROTOR AS
5N-0598 ROTOR AS
ROTOR ASSEMBLY
3N-8355 ROTOR ASSEMBLY
ROTOR AS
5N-5055 ROTOR AS
ROTOR AS
5N-0597 ROTOR AS
ROTOR AS
5N-9162 ROTOR AS

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