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2W8903 JUNCTION BOX GP-PART 2 OF 2 TYPE 1 ENERGIZED TO SHUT OFF OIL PRESSURE & WATER TEMPERATURE PROTECTION AN ATTACHMENT 3412


ELECTRICAL AND STARTING SYSTEM
BOX GP

GEN SET ENGINE 3412 GEN SET ENGINE 81Z
 3412 ENGINE GENERATOR SET 81Z00001-04999 SEBP1384 3412 81Z   (1981)

ELECTRICAL AND STARTING SYSTEM

BOX GP
JUNCTION BOX GP
2W-8907 JUNCTION BOX GP
JUNCTION BOX GP
2W-8903 JUNCTION BOX GP
JUNCTION BOX GP
2W-8903 JUNCTION BOX GP
JUNCTION BOX GP
2W-8903 JUNCTION BOX GP
JUNCTION BOX GP
2W-8903 JUNCTION BOX GP
JUNCTION BOX GP
2W-8901 JUNCTION BOX GP
 

#SEBP13840830
 

2W-8903: JUNCTION BOX GP

2W8903 JUNCTION BOX GP-PART 2 OF 2
TYPE 1
ENERGIZED TO SHUT OFF OIL PRESSURE & WATER TEMPERATURE PROTECTION
AN ATTACHMENT
c326113 SEBP1384
2W8903 JUNCTION BOX GP Parts scheme
  For full view, you need register

Parts for your 3412 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4B-2047 C [13] NUT  
2. 2W-8684 [1] STRIP-MARKER  
3. 7S-4338 [4] SCREW-MACHINE  
4. 5N-8565 [1] DIODE AS  
5. 4W-2216 [1] SPRING-RETAINER  
6. 2N-3479 [4] SCREW  
7. 2W-0394 C [1] CLAMP  
8. 7L-0688 [3] BOLT-SOCKET HEAD  
9. 4W-2215 [1] INSULATOR  
10. 4W-2217 [1] BASE-RELAY  
11. 5N-0361 [1] GUARD  
12. 4W-6402 [1] FILM-ENGINE START  
13. 4W-6401 [1] FILM-ENGINE STOP  
14. 7W-1170 C [1] CLAMP  
15. 7W-1171 C [2] CLAMP  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP13840831
 

2W-8903: JUNCTION BOX GP

2W8903 JUNCTION BOX GROUP-PART 1 OF 2
TYPE 2.PROVIDES OIL PRESSURE, WATER TEMPERATURE PROTECTION
IN AN ENERGIZED TO SHUT OFF ENGINE PROTECTION SYSTEM
AN ATTACHMENT
c340213 SEBP1384
2W8903 JUNCTION BOX GP Parts scheme
  For full view, you need register

Parts for your 3412 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2W-8602 [2] STRIP-TERMINAL  
2. 2N-3480 [1] SCREW-MACHINE  
3. 2W-8904 [1] HARNESS AS  
4. 8M-3839 [1] BUTTON-PLUG  
5. 2N-2258 [16] RIVET-POP  
6. 2W-8603 [4] MOUNT-SHOCK  
7. 4W-3925 [1] BOX AS-JUNCTION  
  6V-7192 [7] NUT-INSERT  
8. 4W-7957 [1] FOIL-IDENTIFICATION  
9. 1L-6561 [1] PLUG  
10. 2W-8798 [1] SWITCH (SECONDARY STOP)  
11. 2W-8799 [1] BLOCK-CONTACT  
12. 2W-8802 [4] STRIP-SEAL  
13. 4W-8471 [1] RELAY-TIME DELAY  
14. 3L-4566 [1] PLUG-BUTTON  
15. 6T-3644 [1] CRCT BREAKER AS (20 AMP)  
    (FUEL SHUT-OFF
    SOLENOID CIRCUIT)
  6V-8376 [2] SCREW-MACHINE  
  9B-7233 [2] LOCKWASHER  
16. 6T-3642 [1] CRCT BREAKER AS (LOGIC CIRCUIT)  
  6V-8376 [2] SCREW-MACHINE  
  9B-7233 [2] LOCKWASHER  
17. 6K-9591 [2] PLUG-BUTTON  
   
18. 5N-0364 [1] SWITCH AS  
    (ENGINE START-STOP)
19. 4H-3001 [2] PLUG-BUTTON  
20. 6T-4007 [1] RELAY AS  
    (FUEL SHUT-OFF)
21. 2W-8803 [1] STRIP-MARKER  
22. 5N-4988 [1] DIODE AS  
23. 5N-5159 [8] JUMPER-STRIP  
24. 4F-8711 [2] PLUG  
25. 4W-3969 C [2] BRACKET-RETAINER  
26. 6V-2673 [2] CAP-PROTECTIVE  
27. 9S-4684 [5] PLUG-O-RING  
28. 3J-1907 [5] SEAL  
29. 5N-9222 [1] MANIFOLD-PRESSURE  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP13840832
 

2W-8903: JUNCTION BOX GP

2W8903 JUNCTION BOX GP-PART 2 OF 2
TYPE 2. PROVIDES OIL PRESSURE, WATER TEMPERATURE PROTECTION
IN AN ENERGIZED TO SHUT OFF ENGINE PROTECTION SYSTEM
AN ATTACHMENT
c340214 SEBP1384
2W8903 JUNCTION BOX GP Parts scheme
  For full view, you need register

Parts for your 3412 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4B-2047 [13] NUT  
2. 2W-8684 [1] STRIP-MARKER  
3. 7S-4338 [4] SCREW-MACHINE  
4. 7W-1171 C [3] CLAMP  
5. 4W-2216 [1] SPRING-RETAINER  
6. 2N-3479 [4] SCREW  
7. 7W-1170 [1] CLAMP  
8. 7L-0688 [3] BOLT-SOCKET HEAD  
9. 4W-2215 [1] INSULATOR  
10. 4W-2217 [1] BASE-RELAY  
11. 5N-0361 [1] GUARD  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP13840833
 

2W-8901: JUNCTION BOX GP

2W8901 JUNCTION BOX GP
4W9601-PAGE 376F.04. ENERGIZED TO SHUT OFF-OIL PRESSURE, WATER TEMPERATURE
& OVERSPEED PROTECTION. AN ATTACHMENT
c326078 SEBP1384
2W8901 JUNCTION BOX GP Parts scheme
  For full view, you need register

Parts for your 3412 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4W-9601 Y [1] JUNCTION BOX GP  
2. 2W-8902 C [1] HARNESS AS  
3. 5N-0364 [1] SWITCH AS (ENGINE PROT)  
4. 5N-5159 C [3] JUMPER-STRIP  
5. 5N-0361 [1] GUARD  
6. 4W-6402 [1] FILM-ENGINE START  
7. 4W-6401 [1] FILM-ENGINE STOP  
8. 5N-4988 C [2] DIODE AS  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBP13840834
 

2W-8905: JUNCTION BOX GP

2W8905 JUNCTION BOX GP
4W9602-PAGE 376H. ENERGIZED TO RUN OIL PRESSURE, WATER TEMPERATURE &
OVERSPEED PROTECTION. AN ATTACHMENT
c331210 SEBP1384
2W8905 JUNCTION BOX GP Parts scheme
  For full view, you need register

Parts for your 3412 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5N-5159 C [2] JUMPER-STRIP  
2. 4W-6401 [1] FILM-ENGINE STOP  
3. 4W-9602 Y [1] JUNCTION BOX GP  
4. 2W-6832 [1] SWITCH AS-TOGGLE (ENG PROT)  
5. 5N-0361 [1] GUARD  
6. 4W-6402 [1] FILM-ENGINE START  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBP13840835
 

4W-9601: JUNCTION BOX GP

4W9601 JUNCTION BOX GP
PART OF 2W8901 JUNCTION BOX. ENERGIZED TO SHUT OFF ENGINE
PROTECTION SYSTEM. FOR USE WITH ELECTRIC SWITCH GEAR
AN ATTACHMENT
c452221 SEBP1384
4W9601 JUNCTION BOX GP Parts scheme
  For full view, you need register

Parts for your 3412 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2W-8602 [2] STRIP-TERMINAL  
2. 4B-2047 C [19] NUT  
3. 5N-5159 C [3] JUMPER-STRIP  
4. 2N-3480 [1] SCREW-MACHINE  
5. 2W-8684 [1] STRIP-MARKER  
6. 7W-1394 C [1] HARNESS AS  
7. 4W-2218 [1] SWITCH AS  
    (ELECTRONIC SPEED)
  1P-7326 [6] WASHER  
8. 2N-2258 [16] RIVET-POP  
9. 2W-8603 [4] MOUNT-SHOCK  
10. 4W-3925 [1] BOX AS-JUNCTION  
  6V-7192 [7] NUT-INSERT  
11. 7W-0088 C [1] FILM-STOP  
12. 4W-7957 C [1] FOIL-IDENTIFICATION  
13. 1L-6561 [1] PLUG  
14. 2W-8798 [1] SWITCH (SECONDARY STOP)  
15. 2W-8799 [1] BLOCK-CONTACT  
16. 2W-8802 [4] STRIP-SEAL  
17. 4W-8471 [1] RELAY-TIME DELAY  
18. 3L-4566 C [1] PLUG-BUTTON  
19. 6T-3644 [1] CRCT BREAKER AS (20 AMP)  
    (FUEL SHUTOFF
    SOLENOID CIRCUIT)
  6V-8376 [2] SCREW-MACHINE  
  9B-7233 [2] LOCKWASHER  
20. 2W-8683 [1] BLOCK-CONTACT  
21. 7S-4338 [4] SCREW-MACHINE  
22. 6T-3642 [1] CRCT BREAKER AS (10 AMP)  
    (LOGIC CIRCUIT)
  6V-8376 [2] SCREW-MACHINE  
  9B-7233 [2] LOCKWASHER  
23. 6K-9591 [2] PLUG-BUTTON  
24. 4W-2215 [2] INSULATOR  
25. 4W-2217 [2] BASE-RELAY  
26. 5N-8565 [2] DIODE AS  
27. 4W-2216 [1] SPRING-RETAINER  
28. 6T-4007 [1] RELAY AS (FUEL SHUT-OFF)  
29. 2W-8803 [1] STRIP-MARKER  
30. 4F-8711 [2] PLUG  
31. 2N-3479 [4] SCREW  
32. 4W-3969 [2] BRACKET-RETAINER  
33. 8M-3839 C [2] BUTTON-PLUG  
34. 6V-2673 [4] CAP-PROTECTIVE  
35. 9S-4684 [5] PLUG-O-RING  
36. 3J-1907 [5] SEAL  
37. 7L-0688 [3] BOLT-SOCKET HEAD  
38. 5N-9222 [1] MANIFOLD-PRESSURE  
39. 7W-1170 C [1] CLAMP  
40. 7W-1171 C [2] CLAMP  
41. 2W-0394 C [1] CLAMP  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP13840836
 

7W-8003: JUNCTION BOX GP

7W8003 JUNCTION BOX GP-PART 1 0F 2
PROVIDES OIL PRESSURE & WATER TEMPERATURE PROTECTION IN AN
ENERGIZED TO SHUT OFF ENGINE PROTECTION SYSTEM
AN ATTACHMENT
c349996 SEBP1384
7W8003 JUNCTION BOX GP Parts scheme
  For full view, you need register

Parts for your 3412 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1S-9593 [1] STRAP-CABLE  
2. 2W-8603 [4] MOUNT-SHOCK  
3. 2N-2258 [16] RIVET-POP  
4. 2W-8803 [1] STRIP-MARKER  
5. 2W-8602 [2] STRIP-TERMINAL  
6. 2N-3480 [1] SCREW-MACHINE  
7. 6T-3644 [1] CRCT BREAKER AS  
  6V-8376 [2] SCREW-MACHINE  
  9B-7233 [2] LOCKWASHER  
8. 4H-3001 [2] PLUG-BUTTON  
9. 5N-9222 [1] MANIFOLD-PRESSURE  
10. 3J-1907 [5] SEAL  
11. 9S-4684 [4] PLUG-O-RING  
12. 4W-7957 [1] FOIL-IDENTIFICATION  
13. 5N-5159 [10] JUMPER-STRIP  
14. 4W-3969 [2] BRACKET-RETAINER  
15. 8M-3839 [2] BUTTON-PLUG  
16. 5N-4988 [1] DIODE AS  
  5P-1475 [2] TERMINAL  
17. 6T-4007 [1] RELAY AS  
18. 6T-1546 [1] SWITCH AS-PRESSURE (OIL PRESSURE)  
  7N-7781 [1] HOUSING-RECEPTACLE  
  7N-7779 [1] SOCKET  
  7N-7780 [2] PIN-CONNECTOR  
19. 4W-8471 [1] RELAY-TIME DELAY  
   
20. 6T-3642 [1] CRCT BREAKER AS  
  6V-8376 [2] SCREW-MACHINE  
  9B-7233 [2] LOCKWASHER  
21. 3L-4566 [1] PLUG-BUTTON  
22. 6K-9591 [2] PLUG-BUTTON  
23. 2W-8798 [1] SWITCH (SECONDARY STOP)  
  2W-8799 [1] BLOCK-CONTACT  
24. 2W-8802 [4] STRIP-SEAL  
25. 4F-8711 [2] PLUG  
26. 1L-6561 [1] PLUG  
27. 2W-8904 [1] HARNESS AS  
28. 4W-3925 [1] BOX AS-JUNCTION  
 

#SEBP13840837
 

7W-8003: JUNCTION BOX GP

7W8003 JUNCTION BOX GP-PART 2 OF 2
PROVIDES OIL PRESSURE & WATER TEMPERATURE PROTECTION IN AN
ENERGIZED TO SHUT OFF ENGINE PROTECTION SYSTEM
AN ATTACHMENT
c349997 SEBP1384
7W8003 JUNCTION BOX GP Parts scheme
  For full view, you need register

Parts for your 3412 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4W-2216 [1] SPRING-RETAINER  
2. 4W-2217 [1] BASE-RELAY  
3. 4W-2215 [1] INSULATOR  
4. 2W-8684 [1] STRIP-MARKER  
5. 4B-2047 [13] NUT  
6. 7L-0688 [3] BOLT-SOCKET HEAD  
7. 6V-2673 [1] CAP-PROTECTIVE  
8. 2N-3479 [4] SCREW  
9. 7S-4338 [4] SCREW-MACHINE  
10. 7W-1170 [1] CLAMP  
11. 7W-1171 [3] CLAMP  
 

#SEBP13840838
 

4W-9602: JUNCTION BOX GP

4W9602 JUNCTION BOX GP-PART 1 OF 2
PART OF 2W8905 JUNCTION BOX. ENERGIZED TO RUN-SWITCH GEAR
AN ATTACHMENT
c326118 SEBP1384
4W9602 JUNCTION BOX GP Parts scheme
  For full view, you need register

Parts for your 3412 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5N-5159 [2] JUMPER-STRIP  
2. 2W-8602 [2] STRIP-TERMINAL  
3. 4B-2047 [7] NUT  
4. 2N-3480 [1] SCREW-MACHINE  
5. 2W-8684 [1] STRIP-MARKER  
6. 2W-8906 [1] HARNESS AS  
7. 4W-2218 [1] SWITCH AS  
    (ELECTRONIC SPEED)
  1P-7326 [6] WASHER  
8. 4W-3925 [1] BOX AS-JUNCTION  
  6V-7192 [7] NUT-INSERT  
9. 2W-8603 [4] MOUNT-SHOCK  
10. 2N-2258 [16] RIVET-POP  
11. 1L-6561 [1] PLUG  
12. 2W-8798 [1] SWITCH (SECONDARY STOP)  
  2W-8799 [2] BLOCK-CONTACT  
  7W-0088 C [1] FILM-STOP  
13. 4W-7957 C [1] FOIL-IDENTIFICATION  
14. 8M-3839 C [2] BUTTON-PLUG  
15. 6T-3644 C [1] CRCT BREAKER AS (20 AMP) (FUEL SHUTOFF  
    SOLENOID CIRCUIT)
  6V-8376 [2] SCREW-MACHINE  
  9B-7233 [2] LOCKWASHER  
16. 7S-4338 C [4] SCREW-MACHINE  
   
17. 6T-3642 [1] CRCT BREAKER AS (10 AMP)  
    (LOGIC CIRCUIT)
  6V-8376 [2] SCREW-MACHINE  
  9B-7233 [2] LOCKWASHER  
18. 6K-9591 C [2] PLUG-BUTTON  
19. 3L-4566 C [1] PLUG-BUTTON  
20. 4W-2216 C [1] SPRING-RETAINER  
21. 6T-4007 C [1] RELAY AS (FUEL SHUTOFF)  
22. 2W-8803 [1] STRIP-MARKER  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP13840839
 

4W-9602: JUNCTION BOX GP

4W9602 JUNCTION BOX GP-PART 2 OF 2
PART OF 2W8905 JUNCTION BOX. ENERGIZED TO RUN-SWITCH GEAR
AN ATTACHMENT
c327550 SEBP1384
4W9602 JUNCTION BOX GP Parts scheme
  For full view, you need register

Parts for your 3412 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5N-4988 C [2] DIODE AS  
2. 7W-1170 C [1] CLAMP  
3. 4B-2047 C [6] NUT  
4. 7W-1171 C [2] CLAMP  
5. 2W-8802 [4] STRIP-SEAL  
6. 2W-0394 [1] CLAMP  
7. 4W-2215 [2] INSULATOR  
8. 4W-2217 [2] BASE-RELAY  
9. 5N-8565 [2] DIODE AS  
10. 4F-8711 [2] PLUG  
11. 2N-3479 [4] SCREW  
12. 4W-3969 [2] BRACKET-RETAINER  
13. 2W-0389 [1] HOUSING AS-SEAL  
  5P-5623 BD WIRE (16 GA)  
  7N-7779 [1] SOCKET  
  7N-7781 [1] HOUSING-RECEPTACLE  
  7N-7780 [1] PIN-CONNECTOR  
  9G-3695 [1] PLUG-SEALING  
14. 6V-2673 [3] CAP-PROTECTIVE  
15. 9S-4684 [5] PLUG-O-RING  
  3J-1907 [5] SEAL  
16. 7L-0688 [3] BOLT-SOCKET HEAD  
17. 5N-9222 [1] MANIFOLD-PRESSURE  
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
  D   ORDER BY THE METER
 

Information:

Special Instruction
Procedure to Upgrade EMCP 1, EMCP 2, EMCP 2+, EMCP 3.1, EMCP 3.2, and EMCP 3.3 to EMCP 4.2B {1408, 4490, 7418, 7426, 7451}
Procedure to Upgrade EMCP 1, EMCP 2, EMCP 2+, EMCP 3.1, EMCP 3.2, and EMCP 3.3 to EMCP 4.2B {1408, 4490, 7418, 7426, 7451}
Technical Information Bulletin
Generator Lead Connections Can Rub Against The Terminal Box Or Each Other
Generator Lead Connections Can Rub Against The Terminal Box Or Each Other
Service Magazine
New Programmable Logic Control With In-Phase Monitor For Contactor Type Automatic Transfer Switches {4469}
1996/04/01

Caterpillar Parts SIS Catalog 3412 :

JUNCTION BOX GP
2W-8903 JUNCTION BOX GP
JUNCTION BOX GP
2W-8907 JUNCTION BOX GP
JUNCTION BOX GP
2W-8907 JUNCTION BOX GP
FASTENER GP-WIRING HARNESS
7C-6393 FASTENER GP-WIRING HARNESS
FASTENER GP-WIRING HARNESS
7C-6393 FASTENER GP-WIRING HARNESS
2W-6262 FASTENER GP
5N-0363 CONVERSION GP-WIRING
CONNECTION GP-ELECTRICAL
7C-4858 CONNECTION GP-ELECTRICAL
JUNCTION BOX GP
2W-8903 JUNCTION BOX GP
JUNCTION BOX GP
2W-8903 JUNCTION BOX GP
JUNCTION BOX GP
2W-8901 JUNCTION BOX GP
JUNCTION BOX GP
2W-8905 JUNCTION BOX GP
JUNCTION BOX GP
4W-9601 JUNCTION BOX GP
JUNCTION BOX GP
7W-8003 JUNCTION BOX GP
JUNCTION BOX GP
7W-8003 JUNCTION BOX GP
JUNCTION BOX GP
4W-9602 JUNCTION BOX 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.