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8L87 GENERATOR GROUP--3 Phase--Part 3 of 3 Generator Seria No. M50TH3000-Up. 230-460 Volt, 60 hertz at 1800 R.P.M. 2N8619 Exciter and Regulator parts are shown on Pages 196, 196A, 196B & 197 3304


GENERATORS
GENERATOR GP

INDUSTRIAL ENGINE 3304 INDUSTRIAL ENGINE 02B
 3304 INDUSTRIAL ENGINE 02B05272-09536 UEG0875S 3304 02B   (1968)

GENERATORS

GENERATOR GP
GENERATOR GROUP
8L-0087 GENERATOR GROUP
GENERATOR GROUP
8L-0087 GENERATOR GROUP
GENERATOR GROUP
8L-0087 GENERATOR GROUP
GENERATOR GP
5N-0050 GENERATOR GP
GENERATOR GP
5N-0050 GENERATOR GP
GENERATOR GP
5N-0050 GENERATOR GP
 

#UEG0875S0470
 

8L-0087: GENERATOR GROUP

8L87 GENERATOR GROUP--3 Phase--Part 3 of 3
Generator Seria No. M50TH3000-Up. 230-460 Volt, 60 hertz at 1800 R.P.M.
2N8619 Exciter and Regulator parts are shown on Pages 196, 196A, 196B & 197
c163004 UEG0875S
8L0087 GENERATOR GROUP Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8L-9813 [1] FRAME ASSEM.  
2. 8L-9815 [1] COVER  
3. 8L-9814 [1] FRAME ASSEM.  
4. 9F-9327 [4] SCREW  
5. 8F-1434 [20] LOCKWASHER  
6. 8L-5476 [1] STRAP  
7. 0S-1614 [6] BOLT  
8. 7F-9223 [6] LOCKWASHER  
9. 0S-1617 [14] BOLT  
10. 1H-7186 [14] LOCKWASHER  
11. 8L-9812 [1] BRACKET  
12. 2B-4602 [2] PLUG  
13. 1B-5174 [1] PLUG  
14. 8L-9807 [1] BRACKET  
15. 4B-4274 [4] WASHER  
16. 6L-6523 [1] FILM (instruction)  
17. [1] DIAGRAM (Wiring)  
18. 7S-4346 [16] SCREW  
19. 8F-5758 [4] SCREW  
20. 1H-3244 [4] LOCKWASHER  
21. 8L-9823 [2] GUIDE  
22. 2N-8619 Y [1] EXCITER & REGULATOR ASSEM.  
    (Separate Illustration)
23. 1P-5121 [6] SCREW  
    THE FOLLOWING REPAIR KITS ARE AVAILABLE:
  6L-6668 [1] KIT (Stator Rewind)  
  6L-6669 [1] KIT (Rotor Balance Weight)  
  Y   SEPARATE ILLUSTRATION
 

#UEG0875S0471
 

5N-0050: GENERATOR GP

5N50 GENERATOR--3 Phase--Part 1 of 2--Type 1
Generator Serial No. 35BS300-Up
208-416 Volt, 60 hertz at 1800 R.P.M.
3N7490 Rotor parts are shown on Page 200
c146114 UEG0875S
5N0050 GENERATOR GP Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-1964 [1] TRANSFORMER ASSEM.  
2. 8L-9816 [1] PANEL (front)  
3. 6L-6663 [1] CHANNEL  
4. 6L-6658 [1] FAN  
5. 3N-7491 [1] COVER ASSEM.  
6. 3N-7427 [1] DEFLECTOR  
7. 3N-7479 [1] STATOR ASSEM.  
    (Includes)
  6L-6648 [1] CHANNEL  
8. 3N-7490 Y [1] ROTOR ASSEM.  
    (Separate Illustration)
9. 3N-7481 [1] BRACKET ASSEM.  
10. 3N-7496 [2] RETAINER  
11. 6L-7008 [2] CLAMP  
12. 3N-7489 [1] FRAME ASSEM. (R.H.)  
13. 8L-9820 [1] PANEL (meter)  
    THE FOLLOWING REPAIR KITS ARE AVAILABLE:
  3N-7480 [1] KIT (stator rewind)  
  6L-6669 [1] KIT (rotor balance weight)  
  3N-5537 [1] KIT (hardware)  
    (Consists of Screws, Bolts, Plugs Nuts and Lockwashers)
  Y   SEPARATE ILLUSTRATION
 

#UEG0875S0472
 

5N-0050: GENERATOR GP

5N50 GENERATOR--3 Phase--Part 2 of 2--Type 1
Generator Serial No. 35BS300-Up. 208-416 Volt, 60 hertz at 1800 R.P.M.
3N7751 Regulator parts are shown on Page 198
c146115 UEG0875S
5N0050 GENERATOR GP Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-7492 [1] COVER (top)  
2. 3N-7493 [1] PANEL (R.H.)  
3. 8L-9819 [4] LOUVER  
4. 3N-7497 [1] BRACKET  
5. 8L-9817 [1] COVER ASSEM. (back)  
6. 3N-7498 [1] BRACKET  
7. 3N-7753 [1] COVER (access)  
8. 3N-7499 [2] BRACKET  
9. 3N-1967 [2] BRACKET  
10. 3N-4809 [4] PLUG  
11. 3N-1968 [4] SHOCKMOUNT  
12. 3N-7751 Y [1] REGULATOR ASSEM.  
    (Separate Illustration)
13. 3N-7494 [1] PANEL (L.H.)  
14. 3N-7488 [1] FRAME ASSEM. (L.H.)  
  H [1] WIRING DIAGRAM  
  6L-6523 [1] LABEL (instruction)  
  H   NOT SHOWN
  Y   SEPARATE ILLUSTRATION
 

#UEG0875S0473
 

5N-0050: GENERATOR GP

5N50 GENERATOR--3 Phase--Part 1 of 2--Type 2
Generator Serial No. 35BS300 to 35BS599 inclusive
208-416 Volt, 60 hertz at 1800 R.P.M. 3N7490 Rotor parts are shown on Page 200
c153048 UEG0875S
5N0050 GENERATOR GP Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-1964 [1] TRANSFORMER ASSEM.  
2. 8L-9816 [1] PANEL (front)  
3. 6L-6663 [1] CHANNEL  
4. 6L-6658 [1] FAN  
5. 3N-7491 [1] COVER ASSEM.  
6. 3N-7427 [1] DEFLECTOR  
7. 3N-7479 [1] STATOR ASSEM.  
    (Includes)
  6L-6648 [1] CHANNEL  
8. 3N-7490 Y [1] ROTOR ASSEM.  
    (Separate Illustration)
9. 3N-7481 [1] BRACKET ASSEM.  
10. 3N-7496 [2] RETAINER  
11. 6L-7008 [2] CLAMP  
12. 3N-7489 [1] FRAME ASSEM. (R.H.)  
13. 8L-9820 [1] PANEL (meter)  
    THE FOLLOWING REPAIR KITS ARE AVAILABLE:
  3N-7480 [1] KIT (stator rewind)  
  3N-8631 C [1] KIT (rotor balance weight)  
  3N-5537 [1] KIT (hardware)  
    (Consists of Screws, Bolts, Plugs Nuts and Lockwashers)
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0875S0474
 

5N-0050: GENERATOR GP

5N50 GENERATOR--3 Phase--Part 2 of 2--Type 2
Generator Serial No. 35BS300 to 35BS599 inclusive. 208-416 Volt, 60 hertz
at 1800 R.P.M. 3N7751 Regulator parts are shown on Page 198
c146115 UEG0875S
5N0050 GENERATOR GP Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-7492 [1] COVER (top)  
2. 3N-7493 [1] PANEL (R.H.)  
3. 8L-9819 [4] LOUVER  
4. 3N-7497 [1] BRACKET  
5. 8L-9817 [1] COVER ASSEM. (back)  
6. 3N-7498 [1] BRACKET  
7. 3N-7753 [1] COVER (access)  
8. 3N-7499 [2] BRACKET  
9. 3N-1967 [2] BRACKET  
10. 3N-4809 [4] PLUG  
11. 3N-1968 [4] SHOCKMOUNT  
12. 3N-7751 Y [1] REGULATOR ASSEM.  
    (Separate Illustration)
13. 3N-7494 [1] PANEL (L.H.)  
14. 3N-7488 [1] FRAME ASSEM. (L.H.)  
  H [1] WIRING DIAGRAM  
  6L-6523 [1] LABEL (instruction)  
  H   NOT SHOWN
  Y   SEPARATE ILLUSTRATION
 

#UEG0875S0475
 

5N-0050: GENERATOR GP

5N50 GENERATOR--3 Phase--Part 1 of 2
Replaced by 5N77 shown on Pages 189E & 189F
Generator Serial No. 35BS600-Up. 208-416 Volt, 60 hertz at 1800 R.P.M.
3N9107 Rotor parts are shown on Page 200A
c164138 UEG0875S
5N0050 GENERATOR GP Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-1968 [4] SHOCKMOUNT  
2. 5N-3162 [1] PANEL ASSEM. (front)  
    (Includes)
  5N-3164 [6] PLUG  
    (Used in .55 cm(.218 in.) hole)
  4F-8711 [1] PLUG  
    (Used in 3.49 cm(1.375 in.) hole)
  5N-3175 [1] PLUG  
    (Used in 1.11 cm(.438 in.) hole)
3. 6L-6663 [1] CHANNEL  
4. 6L-6658 [1] FAN  
5. 3N-7491 [1] COVER ASSEM.  
6. 3N-7427 [1] DEFLECTOR  
7. 3N-7479 [1] STATOR ASSEM.  
    (Includes)
  6L-6648 [1] CHANNEL  
8. 3N-9107 YC [1] ROTOR ASSEM.  
    (Separate Illustration)
9. 3N-7481 [1] BRACKET ASSEM.  
10. 3N-7496 [2] RETAINER  
11. 6L-7008 [2] STRAP  
12. 3N-7489 [1] FRAME ASSEM. (R.H.)  
13. 8L-9820 [1] PANEL (meter)  
    THE FOLLOWING REPAIR KITS ARE AVAILABLE:
  3N-7480 [1] KIT (stator rewind)  
  3N-8631 [1] KIT (rotor balance weight)  
  3N-5537 [1] KIT (hardware)  
    (Consists of screws, bolts, plugs nuts and lockwashers)
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0875S0476
 

5N-0050: GENERATOR GP

5N50 GENERATOR--3 Phase--Part 2 of 2
Replaced by 5N77 shown on Pages 189E & 189F. Generator Serial No. 35BS600-Up
208-416 Volt, 60 hertz at 1800 R.P.M. 3N7751 Regulator parts are shown on Page 198
c164139 UEG0875S
5N0050 GENERATOR GP Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5N-3161 C [1] COVER ASSEM. (top)  
    (Includes)
  030-2284 [4] PLUG  
  5N-3168 [4] GASKET  
2. 5N-3176 [1] PLUG  
  [1] GASKET  
3. 8L-9819 [4] LOUVER  
4. 3N-7497 [1] BRACKET  
5. 8L-9817 [1] COVER ASSEM. (back)  
6. 3N-7498 [1] BRACKET  
7. 3N-7753 [1] COVER (access)  
8. 3N-7499 [2] BRACKET  
9. 3N-1967 [2] BRACKET  
10. 3N-4809 [4] PLUG  
11. 3N-1964 [1] TRANSFORMER ASSEM.  
12. 3N-7751 Y [1] REGULATOR ASSEM.  
    (Separate Illustration)
13. 3N-7494 [1] PANEL (L.H.)  
14. 3N-7488 [1] FRAME ASSEM. (L.H.)  
15. 3N-7493 [1] PANEL (R.H.)  
  H [1] WIRING DIAGRAM  
  6L-6523 [1] FILM (instruction)  
  H   NOT SHOWN
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
 

#UEG0875S0477
 

5N-0077: GENERATOR GP

5N77 GENERATOR--3 Phase--Part 1 of 2
Generator Serial No. 35BS600-Up
208-416 Volt, 60 hertz at 1800 R.P.M.
5n2469 Rotor parts are shown on Page 200B
c219708 UEG0875S
5N0077 GENERATOR GP Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-1968 [4] SHOCKMOUNT  
2. 5N-3162 [1] PANEL ASSEM. (front)  
    (Includes)
  5N-3174 [6] PLUG  
    (Used in .55 cm(.218 in.) hole
  4F-8711 [1] PLUG  
    (Used in 3.5 cm(1.378 in.) hole
  5N-3175 [1] PLUG  
    (Used in 1.11 cm(.438 in.) hole
3. 6L-6663 [1] CHANNEL  
4. 6L-6658 [1] FAN  
5. 3N-7491 [1] COVER ASSEM.  
6. 3N-7427 [1] DEFLECTOR  
7. 3N-7479 [1] STATOR ASSEM.  
    (Includes)
  6L-6648 [1] CHANNEL  
8. 5N-2469 Y [1] ROTOR ASSEM.  
    (Separate Illustration)
9. 5N-2467 [1] BRACKET ASSEM.  
10. 3N-7496 [2] RETAINER  
11. 6L-7008 [2] STRAP  
12. 3N-7489 [1] FRAME ASSEM. (R.H.)  
13. 8L-9820 [1] PANEL (meter)  
    THE FOLLOWING REPAIR KITS ARE AVAILABLE:
  3N-7480 [1] KIT (stator rewind)  
  3N-8631 [1] KIT (rotor balance weight)  
  3N-5537 [1] KIT (hardware)  
    (Consists of screws, bolts, plugs nuts and lockwashers)
  Y   SEPARATE ILLUSTRATION
 

#UEG0875S0478
 

5N-0077: GENERATOR GP

5N77 GENERATOR--3 Phase--Part 2 of 2
Generator Serial No. 35BS600-Up. 208-416 Volt, 60 hertz at 1800 R.P.M.
3N7751 Regulator parts are shown on Page 198
c219943 UEG0875S
5N0077 GENERATOR GP Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5N-3161 [1] COVER ASSEM. (top)  
    (Includes)
  030-2284 [4] PLUG  
  5N-3168 [4] GASKET  
2. 5N-3176 [1] PLUG  
  [1] GASKET  
3. 8L-9819 [4] LOUVER  
4. 3N-7497 [1] BRACKET  
5. 8L-9817 [1] COVER ASSEM. (back)  
6. 3N-7498 [1] BRACKET  
7. 3N-7753 [1] COVER (access)  
8. 3N-7499 [2] BRACKET  
9. 3N-1967 [2] BRACKET  
10. 3N-4809 [4] PLUG  
11. 3N-1964 [1] TRANSFORMER ASSEM.  
12. 3N-7751 Y [1] REGULATOR ASSEM.  
    (Separate Illustration)
13. 3N-7494 [1] PANEL (L. H.)  
14. 3N-7488 [1] FRAME ASSEM. (L. H.)  
15. 3N-7493 [1] PANEL (R. H.)  
  F [1] WIRING DIAGRAM  
  6L-6523 F [1] FILM (INSTRUCTION)  
  F   NOT SHOWN
  Y   SEPARATE ILLUSTRATION
 

#UEG0875S0479
 

5N-0051: GENERATOR GP

5N51 GENERATOR--3 Phase--Part 1 of 2--Type 1
Generator Serial No. 35BH300-Up
200-400 Volt, 50 hertz at 1500 R.P.M. or 240-480 Volt, 60 hertz at 1800 R.P.M.
3N7490 Rotor parts are shown on Page 200
c146111 UEG0875S
5N0051 GENERATOR GP Parts scheme
  For full view, you need register

Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-1964 [1] TRANSFORMER ASSEM.  
2. 8L-9816 [1] PANEL (front)  
3. 6L-6663 [1] CHANNEL  
4. 6L-6658 [1] FAN  
5. 3N-7491 [1] COVER ASSEM.  
6. 3N-7427 [1] DEFLECTOR  
7. 3N-7486 [1] STATOR ASSEM.  
    (Includes)
  6L-6648 [1] CHANNEL  
8. 3N-7490 Y [1] ROTOR ASSEM.  
    (Separate Illustration)
9. 3N-7495 [1] BRACKET ASSEM.  
10. 3N-7496 [2] RETAINER  
11. 6L-7008 [2] CLAMP  
12. 3N-7489 [1] FRAME ASSEM. (R.H.)  
13. 8L-9820 [1] PANEL (meter)  
    THE FOLLOWING REPAIR KITS ARE AVAILABLE:
  3N-7487 [1] KIT (stator rewind)  
  6L-6669 [1] KIT (rotor balance weight)  
  3N-5537 [1] KIT (hardware)  
    (Consists of Screws, Bolts, Plugs Nuts and Lockwashers)
  Y   SEPARATE ILLUSTRATION
 

Information:

Engine News
A List Of Contacts For Caterpillar Product Support Is Available {1000, 4450, 7000}
2002/04/01
Special Instruction
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}
Specifications
Generator Coil<BR> (Solid State Magneto)
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
Pulser Coil<BR> (Solid State Magneto)
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
4L6553 Coupling Group<BR> (For Generator Drive)
3304 & 3306 INDUSTRIAL & MARINE ENGINES
6L3916 Coupling Group<BR> (For Generator Drive)
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Systems Operation
Systems Operation
SR4 GENERATOR
Systems Operation
SR4 GENERATOR
Main Revolving Field Connections (All Except SR4B for 3500 Engines)
Connection Diagrams: SR4 and SR4B Generators, Voltage Regulators, Options
Options (All Except SR4B for 3500 Engines)
Connection Diagrams: SR4 and SR4B Generators, Voltage Regulators, Options
Main Revolving Field Connections (SR4B for 3500 Engines)
Connection Diagrams: SR4 and SR4B Generators, Voltage Regulators, Options
Options (SR4B for 3500 Engines)
Connection Diagrams: SR4 and SR4B Generators, Voltage Regulators, Options
General Information (All Except SR4B for 3500 Engines)
Connection Diagrams: SR4 and SR4B Generators, Voltage Regulators, Options
General Information (SR4B for 3500 Engines)
Connection Diagrams: SR4 and SR4B Generators, Voltage Regulators, Options
Generator Wiring Diagrams (SR4B for 3500 Engines)
Connection Diagrams: SR4 and SR4B Generators, Voltage Regulators, Options
Main Stator and Voltage Sensing Lead Connections (All Except SR4B for 3500 Engines)
Connection Diagrams: SR4 and SR4B Generators, Voltage Regulators, Options
Main Stator and Voltage Sensing Lead Connections (SR4B for 3500 Engines)
Connection Diagrams: SR4 and SR4B Generators, Voltage Regulators, Options
Oil Field Generator Connections (SR4)
Connection Diagrams: SR4 and SR4B Generators, Voltage Regulators, Options
Testing and Adjusting
Testing And Adjusting
SR4 GENERATOR
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
Service Magazine
Change Wiring To Prevent Low Oil Pressure Shutdown Immediately After Start-Up {4450}
1986/07/28
Two New Self-Powered Digital Tachometers And Signal Generator Available {7462}
1987/05/11
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 3304 :

GENERATOR GROUP
8L-0087 GENERATOR GROUP
GENERATOR GROUP
8L-0087 GENERATOR GROUP
GENERATOR
8L-0052 GENERATOR
GENERATOR
8L-0052 GENERATOR
GENERATOR
8L-0052 GENERATOR
GENERATOR
8L-0051 GENERATOR
GENERATOR
8L-0051 GENERATOR
GENERATOR
8L-0051 GENERATOR
GENERATOR GP
5N-0050 GENERATOR GP
GENERATOR GP
5N-0050 GENERATOR GP
GENERATOR GP
5N-0050 GENERATOR GP
GENERATOR GP
5N-0050 GENERATOR GP
GENERATOR GP
5N-0050 GENERATOR GP
GENERATOR GP
5N-0050 GENERATOR GP
GENERATOR GP
5N-0077 GENERATOR GP
GENERATOR GP
5N-0077 GENERATOR GP

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The names Cat, Caterpillar, John Deere, Komatsu, Volvo, Hitachi, Doosan, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
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.