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4N3986 ALTERNATOR GP--END VIEW*R--Part 2 of 2 24 Volt, 60 Ampere Part Of 3N7683 Alternator G342C GAS ENGINE




ELECTRICAL AND STARTING SYSTEM

ALTERNATOR GP-CHARGING
 

#UE0347460290
 

4N-3986: ALTERNATOR GP

4N3986 ALTERNATOR GP--END VIEW*R--Part 2 of 2
24 Volt, 60 Ampere
Part Of 3N7683 Alternator
c461286 UE034746
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Parts for your G342C GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-2544 [7] SCREW-HEX HEAD  
2. 8H-0878 [7] LOCKWASHER  
3. 6N-1871 [1] LEAD AS  
4. 6N-1944 [1] DIODE AS  
5. 9N-0941 [2] INSULATOR  
6. 6N-1869 [4] NUT AS  
7. 6N-1925 [1] BRACKET  
8. 6N-1946 [1] CAPACITOR AS  
9. 6N-1872 [3] SCREW AS  
10. 9N-0938 [3] WASHER  
    1.57MM(.062IN)THK
11. 3H-0240 [5] WASHER-PLAIN  
    .79MM(.031IN)THK
12. 3T-6354 [1] REGULATOR AS  
13. 8M-6701 [3] WASHER  
  6N-1856 [4] BUSHING  
14. 6N-1873 [1] LEAD AS  
15. 6N-1870 [2] SCREW AS  
16. 2K-4821 C [2] LOCKNUT  
  1H-3244 C [2] LOCKWASHER  
  C   CHANGE FROM PREVIOUS TYPE
 

#UE0347460291
 

4N-3987: ALTERNATOR GP

4N3987 ALTERNATOR GP--SIDE VIEW*R--Part 1 of 2
32 Volt, 60 Ampere
Part Of 3N7684 Alternator
c204413 UE034746
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Parts for your G342C GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-1876 [1] HOUSING ASSEM.  
    (Includes)
2. 9S-2396 [1] BUSHING  
3. 9N-0943 [1] PLUG  
4. 5P-3418 [1] BEARING  
5. 6N-1968 [1] STATOR ASSEM.  
    (Includes)
6. 9S-2014 [3] TERMINAL  
  9N-0939 [1] GROMMET  
7. 2P-5616 C [1] FRAME  
8. 9S-2390 [1] RETAINER ASSEM.  
    (Includes)
9. 9S-2391 [1] SEAL  
10. 9S-2256 [1] GASKET  
11. 2F-5721 [1] BEARING  
12. 9S-2252 [1] SLINGER  
13. 9S-2391 [1] SEAL  
14. 7F-7621 [1] WASHER  
15. 2K-4821 [1] NUT  
16. 9S-2254 [1] COLLAR  
17. 9S-2008 [4] SCREW  
18. 9S-2258 [1] FAN  
19. 9S-2261 [1] COLLAR  
20. 9S-2009 [4] BOLT  
21. 9S-2302 [1] ROTOR ASSEM.  
22. 6N-2382 [1] FIELD COIL  
23. 9S-2007 C [5] SCREW  
24. 9N-0942 [1] PLATE  
25. 5P-3419 [1] RACE  
26. 9N-0937 [1] RECTIFIER ASSEM.  
    THE FOLLOWING REPAIR KITS ARE AVAILABLE:
  6N-1875 C [1] KIT (terminal)  
    (Includes Terminal and Lead, Bushing, Washers, Nuts and Lockwashers)
  C   INDICATES CHANGE
 

#UE0347460292
 

4N-3987: ALTERNATOR GP

4N3987 ALTERNATOR GP--END VIEW*R--Part 2 of 2
32 Volt, 60 Ampere
Part Of 3N7684 Alternator
c335866 UE034746
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Parts for your G342C GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-2544 [7] SCREW-HEX HEAD  
2. 3L-8187 C [7] LOCKWASHER  
3. 6N-1871 [1] LEAD AS  
4. 6N-1944 [1] DIODE AS  
5. 9N-0941 [2] INSULATOR  
6. 6N-1869 [4] NUT AS  
7. 6N-1925 [1] BRACKET  
8. 6N-1946 [1] CAPACITOR AS  
9. 6N-1872 [3] SCREW AS  
10. 9N-0938 [3] WASHER (LARGE)  
11. 3H-0240 [5] WASHER-PLAIN (SMALL)  
12. 7T-5665 C [1] REGULATOR AS  
13. 9N-0940 [1] BOOT-INSULATING  
14. 6N-1873 [1] LEAD AS  
15. 6N-1877 [1] CONNECTOR  
16. 9L-6771 [1] CAP  
17. 8M-6701 [3] WASHER  
  6N-1856 [4] BUSHING  
18. 6N-1870 [2] SCREW AS  
  C   CHANGE FROM PREVIOUS TYPE
 

#UE0347460293
 

8H-5875: REGULATOR

8H5875 REGULATOR--24 Volt, 18 Ampere
Part of 1L9677 Generator Group shown on Page 63
c81415 UE034746
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Parts for your G342C GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  7F-3821 [1] SPRING  
  7H-1242 [2] SCREW & LOCKWASHER  
  7F-6765 [1] SCREW  
  8F-0380 [1] CONTACTOR ASSEM.  
  2F-5824 [4] SCREW  
  1F-0075 [2] LOCKWASHER  
  3L-8346 [1] ARMATURE ASSEM.  
  7H-1244 [1] GASKET  
  7H-1246 [3] SCREW  
  1B-4427 [3] NUT  
  3B-4504 [3] LOCKWASHER  
  3L-8344 [1] LEAD ASSEM.  
  1F-0082 [3] GROMMET  
  8F-0382 [1] BRACKET ASSEM.  
  3L-8345 [1] SPRING  
  5H-1787 [2] SCREW  
  9F-7662 [3] RESISTOR  
    THE FOLLOWING REPAIR KITS ARE AVAILABLE:
  8M-3141 [1] KIT (OVERHAUL)  
  8M-3146 [1] KIT (SHOCKMOUNT)  
    (NOT PART OF REGULATOR ASSEM. 8H5875)
  [1] CONNECTOR  
  7H-1243 [1] CONTACTOR ASSEM.  
  5H-1788 [2] INSULATOR  
  7F-3827 [2] INSULATOR  
  1F-0072 [3] SCREW  
  2M-1444 [2] SCREW  
  7H-1245 [1] COVER  
  1F-0073 [3] CLAMP  
  8F-0383 [1] BRACKET ASSEM.  
 

#UE0347460294
 

1L-9664: GENERATOR GROUP

1L9664 GENERATOR GROUP--12 Volt, 10 Ampere
2M864 Regulator and 4L9957 Generator parts are shown on Pages 60 and 64
c92767 UE034746
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Parts for your G342C GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  0S-1588 [3] BOLT  
  3B-4506 [3] LOCKWASHER  
  0T-0841 [2] WASHER  
  5B-9656 [1] GASKET  
  3B-4611 [1] COTTER PIN  
  1S-9963 [1] GEAR (18 TEETH)  
  4H-9721 [1] GEAR ASSEM. (34 TEETH)  
  4H-9703 [1] BUSHING  
    (PART OF GEAR ASSEM. 4H9721)
  4B-3938 [1] PLUG  
  4H-9722 [1] SHAFT  
  4B-3630 [1] SCREW  
  9H-1469 [1] HOUSING  
  5B-9603 [1] BOLT  
  3B-4506 [1] LOCKWASHER  
  0L-1352 [1] BOLT  
  3B-4506 [1] LOCKWASHER  
  2A-5349 [2] STUD  
  1B-4203 [2] NUT  
  3B-4506 [2] LOCKWASHER  
  1A-2029 [1] BOLT  
  3B-4506 [1] LOCKWASHER  
  9H-1416 [1] GASKET  
  1F-7307 [1] AMMETER  
  4L-9957 Y [1] GENERATOR  
    (SEE SEPARATE ILLUSTRATION)
  2L-9814 [1] WIRING KIT GROUP  
  4B-9388 [23 FEET] WIRE  
  1L-9899 [1] MARKER (CARD OF)  
  2L-9724 [10] CLIP  
  2L-8078 [2] TERMINAL (5/16" SCREW)  
  2L-8077 [9] TERMINAL (1/4" SCREW)  
  2L-8075 [3] TERMINAL (NO. 8 SCREW)  
  2L-8076 [7] TERMINAL (NO. 10 SCREW)  
    (USED WITH NO. 14 WIRE)
  2L-8066 [1] TERMINAL (NO. 10 SCREW)  
    (USED WITH NO. 10 WIRE)
  2L-8057 [1] TERMINAL (NO. 10 SCREW)  
    (USED WITH NO. 8 WIRE)
  2L-8049 [1] TERMINAL (NO. 10 SCREW)  
    (USED WITH NO. 6 WIRE)
  [1] WIRING DIAGRAM  
  2M-0864 Y [1] REGULATOR  
    (SEE SEPARATE ILLUSTRATION)
  0L-1590 [4] BOLT  
  3B-4504 [4] LOCKWASHER  
  1L-6517 [1] BRACKET  
  1A-2469 [2] BOLT  
  4B-4280 [4] WASHER  
  Y   SEPARATE ILLUSTRATION
 

#UE0347460295
 

1L-9677: GENERATOR GROUP

1L9677 GENERATOR GROUP--24 Volt, 15 Ampere
Serial No. 71B1 to 71B749 inclusive
8H5875 Regulator, 6L5049 and 8H5880 Generator Assembly parts are shown on Pages 61, 63 and 65
c127110 UE034746
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Parts for your G342C GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5B-9656 [1] GASKET  
  0S-1588 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  0T-0841 [2] WASHER  
  3B-4611 [1] COTTER PIN  
  1S-9963 [1] GEAR (18 TEETH)  
  4H-9721 [1] GEAR ASSEM. (39 TEETH)  
  4H-9703 [1] BUSHING  
    (PART OF GEAR ASSEM. 4H9721)
  4B-3938 [1] PLUG  
  4H-9722 [1] SHAFT  
  4B-3630 [1] SET SCREW  
  9H-1469 [1] HOUSING  
  5B-9603 [1] BOLT (5" LONG)  
  3B-4506 [1] LOCKWASHER  
  0L-1352 [1] BOLT (3.25" LONG)  
  3B-4506 [1] LOCKWASHER  
  2A-5349 [2] STUD  
  1B-4203 [2] NUT  
  3B-4506 [2] LOCKWASHER  
  1A-2029 [1] BOLT  
  3B-4506 [1] LOCKWASHER  
  9H-1416 [1] GASKET  
  1L-6517 [1] BRACKET  
  8H-5875 Y [1] REGULATOR  
    (SEE SEPARATE ILLUSTRATION)
  0L-1590 [4] BOLT  
  3B-4504 [4] LOCKWASHER  
  0S-1587 [2] BOLT (1.75" LONG)  
  4B-4280 [4] WASHER  
  [1] WIRING DIAGRAM  
  [1] WIRING DIAGRAM  
    (Use with insulated system)
  8H-5880 [1] GENERATOR  
    -OR-
  6L-5049 Y [1] GENERATOR  
    (SEE SEPARATE ILLUSTRATION)
  0S-1588 [1] BOLT  
  5B-9246 [1] WASHER  
  1F-7307 [1] AMMETER  
  4S-8785 H WIRE 20 Feet  
    (No. 10 Gauge)
  4S-8787 H WIRE 10 Feet  
    (No. 14 Gauge)
  2L-8066 [10] TERMINAL (No. 10 Screw)  
  2L-8067 [2] TERMINAL (1/4" Screw)  
  2L-8068 [1] TERMINAL (5/16" Screw)  
  2L-8069 [1] TERMINAL (3/8" Screw)  
  2L-8071 [3] TERMINAL (1/2" Screw)  
    (Use with No. 10 Wire)
  2L-8076 [3] TERMINAL (No. 10 Screw)  
  2L-8077 [3] TERMINAL (1/4" Screw)  
    (Use with No. 14 Wire)
  1L-9899 [1] MARKER  
  2L-9724 [10] CLIP  
  8L-8413 [8] TIE (5.50" long)  
  3S-2093 [2] TIE (7.31" long)  
    (Not Shown)
  H   ORDER BY THE FOOT
  Y   SEPARATE ILLUSTRATION
 

#UE0347460296
 

6N-8674: ALTERNATOR MOUNTING GROUP

6N8674 ALTERNATOR MOUNTING GROUP
Serial No. 71B750-Up
For Use With 24 Volt, 60 Ampere Or 32 Volt, 60 Ampere Alternator Groups
1N8509 Wiring Parts Are Shown On Page 60B
c158004 UE034746
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Parts for your G342C GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1A-2029 [9] BOLT 2.85 cm(1.125 in.) long  
2. 1D-4717 [2] NUT  
3. 5M-2894 [15] WASHER  
4. 0S-1571 [1] BOLT  
5. 5K-1928 [1] BOSS  
6. 0S-1591 [2] BOLT 3.81 cm(1.5 in.) long  
7. 1A-1460 [1] BOLT  
8. 6N-8278 [1] BRACKET  
9. 3N-5615 [1] STRAP  
10. 6H-1717 [1] BOLT  
11. 1D-4719 [2] NUT  
12. 2M-0849 [5] WASHER  
13. 1N-9123 [1] GUARD ASSEM.  
14. 7L-4524 [1] PULLEY  
15. 1N-8405 [1] VEE BELT SET (consists of 2 belts)  
16. 6L-9293 [1] PLATE  
17. 5H-6012 [1] SEAL  
18. 1D-5120 [1] NUT  
19. 6H-4144 [1] LOCK  
  1B-8714 [1] KEY  
20. 1N-8398 [1] PULLEY (large)  
21. 2L-1218 [1] SHAFT ASSEM.  
    (Includes)
22. [1] DOWEL  
23. 2L-1197 [1] HOUSING ASSEM.  
    (Includes)
24. 2L-1356 [2] BEARING  
25. 5H-5626 [1] GASKET  
26. 2B-0947 [1] BOLT  
27. 1L-6156 [1] GEAR (44 teeth)  
28. 3B-8998 [2] FITTING  
    (Each Includes)
  1F-1344 [1] NUT  
29. 5P-1198 H TUBE 21 cm(8.28 in.)  
30. 0S-1588 [2] BOLT  
31. 3L-7685 [1] LOCK  
32. 6L-5464 [1] GASKET  
33. 3N-5671 [1] BRACKET ASSEM.  
  1N-8509 YJ [1] WIRING GROUP  
    (Separate Illustration)
  H   ORDER BY THE CENTIMETRE
  Y   SEPARATE ILLUSTRATION
  J   NOT SHOWN
 

#UE0347460297
 

6N-8675: ALTERNATOR MOUNTING GROUP

6N8675 ALTERNATOR MOUNTING GROUP
Serial No. 71B750-Up. For Use With 3N5680 Alternator-Page 62A.01.02
2L9808-Page 62A.02
c158005 UE034746
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Parts for your G342C GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2N-7744 [1] SWITCH (pressure)  
2. 1F-9369 TEE (use with gauge group)  
  1L-9873 [1] FITTING  
    (use with instrument panel)
    (Includes)
  1F-1344 [1] NUT  
3. 3B-9400 [1] FITTING (use with gauge group)  
    (use without oil pressure alarm contactor)
4. 5M-2894 [16] WASHER  
5. 0S-1588 [3] BOLT  
6. 6N-8278 [1] BRACKET  
7. 0L-1351 [1] BOLT  
8. 1D-4717 [2] NUT  
9. 9L-0903 [1] STRAP  
10. 1N-9123 [1] GUARD ASSEM.  
11. 8L-5450 [1] PULLEY (small)  
12. 1N-8405 [1] VEE BELT SET (consists of 2 belts)  
13. 0S-1573 [1] BOLT  
  1D-4719 [1] NUT  
  1H-7855 [1] SPACER  
14. 2M-0849 [3] WASHER  
15. 0S-1591 [2] BOLT 38.1 mm(1.50 in.) long  
16. 8L-5379 [1] BRACKET  
17. 5H-6012 [1] SEAL  
18. 1D-5120 [1] NUT  
  6H-4144 [1] LOCK  
19. 1B-8714 [1] KEY  
20. 1N-8398 [1] PULLEY (large)  
21. 2L-1218 [1] SHAFT ASSEM.  
    (Includes)
22. 4L-3566 [1] DOWEL  
23. 2L-1197 [1] HOUSING ASSEM.  
    (Includes)
24. 2L-1356 [2] BEARING  
25. 1A-2029 [8] BOLT 28.58 mm(1.125 in.) long  
26. 5H-5626 [1] GASKET  
27. 3B-8998 [2] FITTING  
    (Each Includes)
  1F-1344 [1] NUT  
  5P-1198 H TUBE 21.0 cm(8.28 in.)  
28. 1L-6156 [1] GEAR (44 teeth)  
29. 0S-1587 [2] BOLT  
30. 3L-7685 [1] LOCK  
31. 6L-5464 [1] GASKET  
32. 6L-9293 [1] PLATE  
33. 8L-5380 [1] BRACKET  
34. 2N-5880 [1] HARNESS ASSEM.  
35. 6N-3255 [1] BRACKET  
36. 1H-2387 [3] BOLT  
  4B-4274 [3] WASHER  
37. 0S-1618 [1] BOLT  
  9N-1650 [1] WASHER  
  2L-9808 YJ [1] WIRING GROUP  
    (Separate Illustration)
  J   NOT SHOWN
  Y   SEPARATE ILLUSTRATION
  H   ORDER BY THE CENTIMETRE
 

#UE0347460298
 

3N-5680: ALTERNATOR GP-CHARGING

3N5680 ALTERNATOR GP
24 Volt, 35 Ampere. Type 1. S/N 71B750-Up
2N6397-Page 62A.03
For Use With 6N6875 Alternator Mounting-Page 62A.01.01
c206755 UE034746
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Parts for your G342C GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8M-7892 [1] AMMETER  
  1H-4560 C [2] NIPPLE  
    (Use Without Remote Mounted Instrument Panel)
2. 2N-6397 Y [1] ALTERNATOR ASSEM.  
    (Separate Illustration)
  J [1] WIRING DIAGRAM  
    (Use Without Automatic Start-Stop)
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
  J   NOT SHOWN
 

#UE0347460299
 

3N-5680: ALTERNATOR GP-CHARGING

3N5680 ALTERNATOR GP
24 Volt, 35 Ampere. Type 2. S/N 71B750-Up
2N6397-Page 62A.03
For Use With 6N8675 Alternator Mounting-Page 62A.01.01
c156550 UE034746
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Parts for your G342C GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2N-6397 Y [1] ALTERNATOR ASSEM.  
    (Separate Illustration)
2. 6N-3160 C [1] REGULATOR ASSEM.  
3. 8M-7892 [1] AMMETER  
  1H-4560 [2] NIPPLE  
    (Use Without Remote Mounted Instrument Panel)
  J [1] WIRING DIAGRAM  
    (Use Without Automatic Start-Stop)
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
  J   NOT SHOWN
 

Information:

Engine News
Charging System Troubleshooting Guide Has Been Updated for All Engines {1406, 7569}
Charging System Troubleshooting Guide Has Been Updated for All Engines {1406, 7569}
Special Instruction
Upgrading Alternators To Include An Integrated Circuit Regulator{1405, 1410}
Upgrading Alternators To Include An Integrated Circuit Regulator{1405, 1410}
Charging System Troubleshooting {1406}
Charging System Troubleshooting {1406}
Procedure for Replacing Regulator Kit on All Engines {1405}
Procedure for Replacing Regulator Kit on All Engines {1405}
Procedure to Install Brush Holder Assembly to End Frame on All Engines {1405}
Procedure to Install Brush Holder Assembly to End Frame on All Engines {1405}
Specifications
Alternators
G342 ENGINE
Generator
G342 ENGINE
Service Magazine
Charging System Troubleshooting Guide Has Been Updated for All Machines {1406, 7569}
Charging System Troubleshooting Guide Has Been Updated for All Machines {1406, 7569}

Caterpillar Parts SIS Catalog G342C :

Truck sale:

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