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3N8783 CONTACTOR GROUP -- Time Delay Refer to Automatic Start-Stop Chart shown on Page 311 for usage AN ATTACHMENT 3412


ELECTRICAL AND STARTING SYSTEM
CONTACTOR GP
BOX GP

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

ELECTRICAL AND STARTING SYSTEM

CONTACTOR GP
CONTACTOR GP
3N-9595 CONTACTOR GP
CONTACTOR GP-ALARM
7W-5342 CONTACTOR GP-ALARM
CONTACTOR GROUP
3N-8783 CONTACTOR GROUP
 

#SEBP11011240
 

3N-8783: CONTACTOR GROUP

3N8783 CONTACTOR GROUP -- Time Delay
Refer to Automatic Start-Stop Chart shown on Page 311 for usage
AN ATTACHMENT
c204238 SEBP1101
3N8783 CONTACTOR GROUP Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9L-6492 [1] DAMPER  
2. 2N-7744 [1] SWITCH (pressure)  
3. 3N-8784 [1] VALVE (check)  
4. 8H-7696 [1] FITTING  
5. 1F-9369 [1] TEE  
6. 3B-7262 [1] NIPPLE  
 

#SEBP11011241
 

2W-8903: JUNCTION BOX GP

2W8903 JUNCTION BOX GROUP-PART 1 OF 2
Energized To Shut Off Oil Pressure & Water Temperature Protection
An Attachment
c326112 SEBP1101
2W8903 JUNCTION BOX GP Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

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. 7W-0088 C [1] FILM-STOP  
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 C [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 C [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 CIRC.)  
  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 C [8] JUMPER-STRIP  
24. 4F-8711 [2] PLUG  
25. 4W-3969 [1] 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  
30. 8M-3839 C [1] BUTTON-PLUG  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP11011242
 

2W-8903: JUNCTION BOX GP

2W8903 JUNCTION BOX GROUP-PART 2 OF 2
Energized To Shut Off Oil Pressure & Water Temperature Protection
An Attachment
c326113 SEBP1101
2W8903 JUNCTION BOX GP Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

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
 

#SEBP11011243
 

2W-8907: JUNCTION BOX GP

2W8907 JUNCTION BOX GP-PART 1 OF 2
Type 1
Energized To Run Oil Pressure & Water Temperature Protection
An Attachment
c326121 SEBP1101
2W8907 JUNCTION BOX GP Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2W-8602 [2] STRIP-TERMINAL  
2. 4B-2047 [6] NUT  
3. 4W-3925 [1] BOX AS-JUNCTION  
4. 2W-8908 [1] HARNESS AS  
5. 2N-3480 [1] SCREW-MACHINE  
6. 2W-8684 [1] STRIP-MARKER  
7. 5N-5159 [4] JUMPER-STRIP  
8. 5N-4988 C [2] DIODE AS  
9. 2W-8803 [1] STRIP-MARKER  
10. 7W-1171 C [1] CLAMP  
11. 1L-6561 [1] PLUG  
12. 2W-8802 [4] STRIP-SEAL  
13. 7W-1170 C [2] CLAMP  
14. 8M-3839 C [1] BUTTON-PLUG  
15. 6K-9591 C [2] PLUG-BUTTON  
16. 3L-4566 C [1] PLUG-BUTTON  
17. 4H-3001 [2] PLUG-BUTTON  
18. 2W-8798 [1] SWITCH (SECONDARY STOP)  
  2W-8800 [1] BLOCK-CONTACT  
  7W-0088 C [1] FILM-STOP  
19. 4W-7957 C [1] FOIL-IDENTIFICATION  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP11011244
 

2W-8907: JUNCTION BOX GP

2W8907 JUNCTION BOX GP-PART 2 OF 2
Type 1
Energized To Run Oil Pressure & Water Temperature Protection
An Attachment
c327230 SEBP1101
2W8907 JUNCTION BOX GP Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4W-2216 C [2] SPRING-RETAINER  
2. 5N-8565 [2] DIODE AS  
3. 2W-0394 C [1] CLAMP  
4. 4B-2047 C [3] NUT  
5. 6T-4007 C [1] RELAY AS (FUEL SHUT-OFF  
    SOLENOID)
6. 6T-4007 [1] RELAY AS (OIL PRESSURE  
    SHUTDOWN LATCHING)
7. 5N-0364 [1] SWITCH AS  
    (ENGINE START-STOP)
8. 7S-4338 C [4] SCREW-MACHINE  
9. 6T-3644 C [1] CRCT BREAKER AS (20 AMP) (FUEL SHUT-OFF  
    SOLENOID CIRCUIT)
  6V-8376 [2] SCREW-MACHINE  
  9B-7233 [2] LOCKWASHER  
10. 6T-3642 [1] CRCT BREAKER AS (LOGIC CIRC.)  
  6V-8376 [2] SCREW-MACHINE  
  9B-7233 [2] LOCKWASHER  
11. 2W-8603 [4] MOUNT-SHOCK  
12. 2N-2258 [16] RIVET-POP  
13. 4F-8711 [2] PLUG  
14. 2N-3479 [4] SCREW  
15. 4W-3969 [1] BRACKET-RETAINER  
16. 6V-2673 [2] CAP-PROTECTIVE  
17. 9S-4684 [5] PLUG-O-RING  
  3J-1907 [5] SEAL  
18. 7L-0688 [3] BOLT-SOCKET HEAD  
19. 5N-9222 [1] MANIFOLD-PRESSURE  
20. 4W-2217 [2] BASE-RELAY  
  4W-2215 [2] INSULATOR  
21. 5N-0361 [1] GUARD  
22. 4W-6402 [1] FILM-ENGINE START  
23. 4W-6401 [1] FILM-ENGINE STOP  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP11011245
 

2W-8685: JUNCTION BOX GP

2W8685 JUNCTION BOX GROUP-POWER DISTRIBUTION-TYPE 1
An Attachment
c328815 SEBP1101
2W8685 JUNCTION BOX GP Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9M-5520 [2] SCREW-TAPPING  
2. 6K-9591 [4] PLUG-BUTTON  
3. 3L-4566 [2] PLUG-BUTTON  
4. 6T-3645 [1] CRCT BREAKER (60 AMP)  
5. 7S-4338 [2] SCREW-MACHINE  
6. 2W-8940 [1] WIRE AS  
7. 2W-8937 [1] WIRE AS  
8. 2W-8936 [1] WIRE AS  
9. 2W-8938 [1] WIRE AS  
10. 2W-8939 [1] WIRE AS  
11. 2N-3480 [2] SCREW-MACHINE  
  4B-2047 [2] NUT  
12. 5N-0367 [1] STRIP-MARKER (TERMINAL)  
13. 6L-5855 [1] STRIP-TERMINAL  
14. 6L-8150 [1] JUMPER-STRIP (TERMINAL)  
15. 1N-9770 [1] CRCT BREAKER AS  
  6V-8376 [2] SCREW-MACHINE  
  9B-7233 [2] LOCKWASHER  
16. 9F-3099 [1] SWITCH AS  
    (STARTING MOTOR)
  4B-2043 [2] NUT (SMALL)  
  4F-2294 [2] NUT (LARGE)  
17. 1B-4330 [2] NUT  
  5P-0537 [2] WASHER  
   
   
18. 4W-7599 [1] ENCLOSURE AS  
  5L-8957 [4] STUD-WELD (LONG)  
  3H-5366 [6] STUD-WELD (SHORT)  
19. 4F-8711 [1] PLUG  
20. 5N-7509 [2] INSULATOR  
21. 5N-7508 [2] INSULATOR  
22. 3L-7314 [8] WASHER  
23. 6H-5431 [2] NUT-JAM BRASS  
24. 5P-7751 [4] NUT-BRONZE  
25. 5N-8998 [2] BOOT  
26. 5N-7510 [2] STUD  
27. 3K-8106 [2] SCREW-MACHINE  
  4B-4863 [2] WASHER  
 

#SEBP11011246
 

2W-8901: JUNCTION BOX GP

2W8901 JUNCTION BOX GROUP
Energized To Shut Off Oil Pressure, Water Temperature & Overspeed
Protection. 4W9601-Page 323E. An Attachment
c326078 SEBP1101
2W8901 JUNCTION BOX GP Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

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
 

#SEBP11011247
 

2W-8905: JUNCTION BOX GP

2W8905 JUNCTION BOX GP
4W9602-Page 323F.01. Energized To Run Oil Pressure, Water Temperature &
Overspeed Protection. An Attachment
c326115 SEBP1101
2W8905 JUNCTION BOX GP Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

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

#SEBP11011248
 

4W-9601: JUNCTION BOX GP

4W9601 JUNCTION BOX GP
Part Of 2W8901 Junction Box Gp
c351478 SEBP1101
4W9601 JUNCTION BOX GP Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2W-8602 [2] STRIP  
2. 4B-2047 C [18] NUT  
3. 5N-5159 C [5] JUMPER  
4. 2N-3480 [1] SCREW  
5. 2W-8684 [1] STRIP  
6. 7W-1394 [1] HARNESS AS.  
7. 4W-9733 C [1] SWITCH AS.  
    (ELECTRONIC SPEED)
  1P-7326 [6] WASHER  
8. 2N-2258 [16] RIVET  
9. 2W-8603 [4] MOUNT  
10. 4W-3925 [1] BOX AS.  
  6V-7192 [7] NUT  
11. 2W-0394 [1] CLAMP  
12. 4W-7957 [1] FOIL  
13. 1L-6561 [1] PLUG  
14. 2W-8798 [1] SWITCH (SECONDARY STOP)  
15. 2W-8799 [1] BLOCK  
16. 2W-8802 [4] STRIP (SEAL)  
17. 4W-8471 [1] RELAY (TIME DELAY)  
18. 3L-4566 [1] BUTTON  
19. 6T-3644 [1] BREAKER AS. (FUEL SHUTOFF SOLENOID CIRC.)  
  6V-8376 [2] SCREW  
  9B-7233 [2] LOCKWASHER  
20. 2W-8683 [1] BLOCK  
21. 7S-4338 [4] SCREW  
22. 6T-3642 [1] BREAKER AS.  
    (LOGIC CIRCUIT)
  6V-8376 [2] SCREW  
  9B-7233 [2] LOCKWASHER  
23. 6K-9591 [2] PLUG  
24. 4W-2215 [2] INSULATOR  
25. 4W-2217 [2] BASE  
26. 1S-9593 C [1] STRAP  
27. 4W-2216 [1] SPRING  
28. 6T-4007 [1] RELAY AS.  
    (FUEL SHUT-OFF)
29. 2W-8803 [1] STRIP  
30. 4F-8711 [2] PLUG  
31. 2N-3479 [4] SCREW  
32. 4W-3969 [2] BRACKET  
33. 8M-3839 [2] PLUG  
34. 6V-2673 C [1] CAP  
35. 9S-4684 C [4] PLUG  
36. 3J-1907 [5] SEAL  
37. 7L-0688 [3] BOLT  
38. 5N-9222 [1] MANIFOLD  
39. 4H-3001 C [2] PLUG  
40. 7W-6788 C [2] CLAMP  
41. 6T-1546 C [1] SWITCH AS.  
    (ENG. OIL PRESS.)
  7N-7781 [1] HOUSING  
  7N-7779 [1] SOCKET  
  7N-7780 [2] PIN  
  C   INDICATES CHANGE
 

#SEBP11011249
 

4W-9602: JUNCTION BOX GP

4W9602 JUNCTION BOX GP-PART 1 OF 2
Part Of 2W8905 Junction Box. Energized To Run Engine Protection
For Use With Electrical Switch Gear. An Attachment
c326118 SEBP1101
4W9602 JUNCTION BOX GP Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

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
 

Information:

Engine News
Use The Correct Water Temperature Contactor
1980/02/06
Improved Mounting Assembly For Speed Switch Contactor Group
1983/02/16
Relay Replacement Kits Available To Replace Relays In Engine Mounted Junction Box
1992/10/01
Special Instruction
Reconditioning of 2W8903 and/or 7W8003 Junction Box Groups{7426}
Reconditioning of 2W8903 and/or 7W8003 Junction Box Groups{7426}
INSTALLING THE 1041820 WIRING KIT{7417}
INSTALLING THE 1041820 WIRING KIT{7417}
Installation Of 3N7478 Or 3N9595 Overspeed Contactor Groups{1400}
Installation Of 3N7478 Or 3N9595 Overspeed Contactor Groups{1400}
Special Installation Instructions for the 379-3359 Speed Switch Assembly {1400, 1915, 7400, 7426, 7451}
Special Installation Instructions for the 379-3359 Speed Switch Assembly {1400, 1915, 7400, 7426, 7451}
Specifications
Overspeed Contactor Group
3412 INDUSTRIAL & MARINE ENGINE ATTACHMENTS
Service Magazine
Use The Correct Water Temperature Contactor{1350,1100}
1980/02/11
Improved Mounting Assembly For Speed Switch Contactor Group{7418}
1983/01/17
Preferred Locations For Water Temperature Protection Devices{7403,7417,7420}
1985/04/08
1041820 Wiring Kit Available To Prevent High Coolant Temperature Alarm After Engine Shutdown.{7417}
1993/03/22

Caterpillar Parts SIS Catalog 3412 :

JUNCTION BOX GP
3N-0859 JUNCTION BOX GP
INSTRUMENT PANEL ASSEMBLY
3N-8871 INSTRUMENT PANEL ASSEMBLY
INSTRUMENT PANEL ASSEMBLY
3N-8871 INSTRUMENT PANEL ASSEMBLY
SHUT-OFF GP-MANUAL
7N-0237 SHUT-OFF GP-MANUAL
SHUT-OFF GP-MANUAL
2N-2489 SHUT-OFF GP-MANUAL
SHUT-OFF GP-SOLENOID
4N-1719 SHUT-OFF GP-SOLENOID
SHUT-OFF GP-ELECTRIC
8N-2202 SHUT-OFF GP-ELECTRIC
SHUT-OFF GP-ELECTRICAL
7W-6124 SHUT-OFF GP-ELECTRICAL
JUNCTION BOX GP
2W-8903 JUNCTION BOX GP
JUNCTION BOX GP
2W-8903 JUNCTION BOX GP
JUNCTION BOX GP
2W-8907 JUNCTION BOX GP
JUNCTION BOX GP
2W-8907 JUNCTION BOX GP
JUNCTION BOX GP
2W-8685 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

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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.
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