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2P7836 ALTERNATOR GROUP--24 Volt--19 Ampere Serial No. 3N1 to 3N19673 inclusive. Part of all Engine Arrangements except 4N4439, 4N7374, 4N7376, 6N482, 6N484, 6N486, 6N488, 1P9587, 2P6805, 2P6806, 2P6807, 2P6808, 2P6809, 2P6810, 2P6811, 2P9637 and 3P75 Engine Arrangements. 2P1204 Alternator parts are shown on Page 378 D6C




ELECTRICAL AND STARTING SYSTEM

ALTERNATOR GP-CHARGING
 

#UEG0821S0620
 

2P-7836: ALTERNATOR GP-CHARGING

2P7836 ALTERNATOR GROUP--24 Volt--19 Ampere
Serial No. 3N1 to 3N19673 inclusive. Part of all Engine Arrangements except
4N4439, 4N7374, 4N7376, 6N482, 6N484, 6N486, 6N488, 1P9587, 2P6805, 2P6806,
2P6807, 2P6808, 2P6809, 2P6810, 2P6811, 2P9637 and 3P75 Engine Arrangements.
2P1204 Alternator parts are shown on Page 378
c117249 UEG0821S
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Parts for your D6C TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-1204 Y [1] ALTERNATOR ASSEM.  
    (Separate Illustration)
2. 7S-6723 [1] BRACKET  
3. 1D-4574 [1] BOLT (6 in. long)  
4. 9S-4146 [1] WIRE ASSEM.  
  6B-2759 [1] TERMINAL (.406 in. Hole)  
  1F-7240 [1] TERMINAL (No. 10 Screw)  
  7B-4826 [2] INSULATOR  
5. 2P-3205 [1] BOLT  
6. 2P-3210 [1] BOLT  
7. 9S-1240 [1] NUT ASSEM.  
8. 8M-4791 [1] WASHER  
  Y   SEPARATE ILLUSTRATION
 

#UEG0821S0621
 

2P-7835: ALTERNATOR GP-CHARGING

ALTERNATOR (2P7835 N/S)--24 Volt--50 Ampere
Part of 4N4439 and 2P6810 Engine Arrangements
5S9088 Alternator parts are shown on Pages 376 and 377
c117232 UEG0821S
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Parts for your D6C TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5S-9088 RY [1] ALTERNATOR ASSEM.  
    (Separate Illustration)
2. 1H-6936 [1] WIRE ASSEM.  
3. 9F-9353 [1] TERMINAL  
4. 9F-5320 [1] TERMINAL  
5. 9S-1240 [1] NUT ASSEM.  
  1F-0748 [1] NUT (Weld)  
6. 2P-3205 [1] BOLT  
7. 7S-6723 [1] BRACKET  
8. 2P-3210 [1] BOLT  
9. 1D-4574 [1] BOLT  
  8M-4791 [1] WASHER  
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#UEG0821S0622
 

2P-7836: ALTERNATOR GP-CHARGING

2P7836 ALTERNATOR GROUP--24 Volt--19 Ampere
Serial No. 3N19674 to 3N22276 inclusive. Part of all Engine Arrangements except
4N4439, 4N7374, 4N7376, 6N482, 6N484, 6N486, 6N488, 1P9587, 2P6805, 2P6806,
2P6807, 2P6808, 2P6809, 2P6810, 2P6811, 2P9637, and 3P75. 5S9088 Alternator
parts are shown on Pages 376 and 377
c153721 UEG0821S
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Parts for your D6C TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5S-9088 RYC [1] ALTERNATOR ASSEM.  
    (Separate Illustration)
2. 7S-6723 [1] BRACKET  
3. 1D-4574 [1] BOLT 6 in.(15.24 cm) long  
4. 1H-6936 C [1] WIRE ASSEM.  
    (Includes)
  5P-0611 H WIRE 2.28 dm(9 in.)  
  2L-8060 [1] TERMINAL (.375 in. screw)  
  2L-8058 [1] TERMINAL (.25 in. screw)  
5. 2P-3205 [1] BOLT  
6. 2P-3210 [1] BOLT  
7. 9S-1240 [1] NUT ASSEM.  
8. 8M-4791 [1] WASHER  
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
  H   ORDER BY THE DECIMETRE
 

#UEG0821S0623
 

2P-7836: ALTERNATOR GP-CHARGING

2P7836 ALTERNATOR GROUP--24 Volt, 19 Ampere
Serial No. 3N22277-Up. Part of all Engine Arrangements except 4N4439, 4N7374,
4N7376, 6N482, 6N484, 6N486, 6N488, 1P9587, 2P6805, 2P6806, 2P6807, 2P6808,
2P6809, 2P6810, 2P6811, 2P9637 and 3P75. 2P1204 Alternator parts are
shown on Page 378
c153722 UEG0821S
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Parts for your D6C TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-1204 Y [1] ALTERNATOR ASSEM.  
    (Separate Illustration)
2. 7S-6723 [1] BRACKET  
3. 1D-4574 [1] BOLT 6 in.(15.24 cm) long  
4. 9S-4146 [1] WIRE ASSEM.  
    (Includes)
  5P-0616 H WIRE 1.65 cm(6.5 in.)  
  2L-8069 [1] TERMINAL (large)  
  2L-8066 [1] TERMINAL (small)  
5. 2P-3205 [1] BOLT  
6. 2P-3210 [1] BOLT  
7. 9S-1240 [1] NUT ASSEM.  
    (Includes)
  1F-0748 [1] NUT  
8. 8M-4791 [1] WASHER  
  H   ORDER BY THE DECIMETRE
  Y   SEPARATE ILLUSTRATION
 

#UEG0821S0624
 

4N-5090: ALTERNATOR GP-CHARGING

ALTERNATOR (4N5090 N/S)--24 Volt, 19 Ampere
Serial No. 3N1 to 3N19673 and 3N22303-Up. Part of 6N482, 6N484, 6N486, 6N488,
2P6805, 2P6806, 2P6807 and 2P6808 Engine Arrangements. 2P1204 Alternator
parts are shown on Page 378
c201670 UEG0821S
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Parts for your D6C TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-5092 [1] WIRE ASSEM.  
  1F-7240 [1] TERMINAL  
  4S-8785 H WIRE 12 in.  
2. 6B-2759 [1] TERMINAL  
3. 0V-0375 [1] BOLT  
4. 9L-5134 [1] ROD  
  1B-4430 C [2] NUT  
5. 4N-4977 [1] BLOCK  
6. 2P-1204 Y [1] ALTERNATOR GROUP  
    (Separate Illustration)
7. 8L-5379 [1] BRACKET  
8. 0S-1594 [1] BOLT  
9. 1A-4784 [3] WASHER  
10. 9L-5622 [1] BRACKET  
11. 4N-5091 [1] SPACER  
12. 0S-1588 [2] BOLT  
13. 8L-5380 [1] BRACKET  
14. 9H-8260 [1] BOLT  
  1D-4719 [1] NUT  
  8M-4791 [2] WASHER  
15. 7B-3235 [1] BOLT  
  3B-4508 [1] LOCKWASHER  
  H   ORDER BY THE FOOT
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
 

#UEG0821S0625
 

4N-5090: ALTERNATOR GP-CHARGING

ALTERNATOR (4N5090 N/S)--24 Volt, 19 Ampere
Serial No. 3N19674 to 3N22302 inclusive. Part of 6N482, 6N484, 6N486, 6N488,
2P6805, 2P6806, 2P6807 and 2P6808 Engine Arrangements. 5S9088 Alternator
parts are shown on Pages 376 and 377
c153509 UEG0821S
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Parts for your D6C TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1H-6936 C [1] WIRE ASSEM.  
    (Includes)
  2L-8058 [1] TERMINAL (alternator)  
  5P-0611 H WIRE 2.10 dm(8.25 in.)  
2. 2L-8060 [1] TERMINAL (ground)  
3. 0V-0375 [1] BOLT  
4. 9L-5134 [1] ROD  
  1B-4430 [2] NUT  
5. 4N-4977 [1] BLOCK  
6. 5S-9088 RYC [1] ALTERNATOR GROUP  
    (Separate Illustration)
7. 8L-5379 [1] BRACKET  
8. 0S-1594 [1] BOLT  
9. 1A-4784 [3] WASHER  
10. 9L-5622 [1] BRACKET  
11. 4N-5091 [1] SPACER  
12. 0S-1588 [2] BOLT  
13. 8L-5380 [1] BRACKET  
14. 9H-8260 [1] BOLT  
  1D-4719 [1] NUT  
  8M-4791 [2] WASHER  
15. 7B-3235 [1] BOLT  
  3B-4508 [1] LOCKWASHER  
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
  H   ORDER BY THE DECIMETRE
  C   INDICATES CHANGE
 

#UEG0821S0626
 

5S-9088: ALTERNATOR GP-CHARGING

5S9088 ALTERNATOR ASSEMBLY--24 Volt, 50 Ampere--Part 1 of 2
Part of Alternator and 2P7836 Alternator Group shown on Pages 374, 374A and 375
c202886 UEG0821S
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Parts for your D6C TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-2260 [1] PLATE  
2. 9S-2544 [4] SCREW  
3. 8H-0878 [6] LOCKWASHER  
4. 9S-2438 [2] SCREW  
5. 7H-2079 [7] LOCKWASHER  
6. 9S-2255 [1] COVER  
7. 9S-2262 [1] GASKET  
8. 9S-2246 [1] LEAD ASSEM.  
9. 9S-9830 [1] SCREW  
10. 8F-1326 [3] WASHER  
11. 9B-7233 [3] LOCKWASHER (Shake Proof)  
12. 9S-9829 [1] SCREW ASSEM.  
13. 4B-2043 [4] NUT  
14. 9S-2259 [1] REGULATOR  
15. 9S-2250 [1] GROMMET  
16. 9S-2011 [1] SCREW  
17. 1L-4789 [1] LOCKWASHER  
18. 9S-2389 [1] STUD ASSEM.  
19. 9S-2398 [1] HOUSING ASSEM.  
20. 9S-2393 [3] DIODE  
21. 9S-2397 [1] COVER  
22. 9F-2247 [1] PLUG  
23. 9S-2395 [1] BEARING  
24. 9S-2394 [1] SEAL  
25. 9S-2396 [1] BUSHING  
26. 9S-2007 [3] SCREW  
27. 9S-2301 [1] INSULATION  
28. 9S-2292 [1] HEAT SINK ASSEM.  
29. 9S-2300 [4] INSULATOR  
30. 9S-9830 C [4] SCREW  
  9S-2247 [4] WASHER (Spring)  
  4B-4863 [4] WASHER (Plain)  
31. 9S-2542 [1] SCREW  
32. 9S-2437 [5] SCREW  
  9S-2013 H [1] KIT (Terminal Relay)  
    (Consists of Bushing, "O" Ring & Hardware)
  9S-2012 H [1] KIT (Terminal Output)  
    (Consists of Gaskets, Terminal & Hardware)
  9S-2290 H [1] KIT (Heat Sink)  
    (Diode Junction Hardware)
  9S-2291 H [1] KIT (Heat Sink)  
    (Positive Diode Hardware)
  C   INDICATES CHANGE
  H   NOT PART OF 5S9088 ALTERNATOR
 

#UEG0821S0627
 

5S-9088: ALTERNATOR GP-CHARGING

5S9088 ALTERNATOR ASSEMBLY--24 Volt, 50 Ampere--Part 2 of 2
Part of Alternator & 2P7836 Alternator Group shown on Pages 374, 374A & 375
c113560 UEG0821S
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Parts for your D6C TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-2242 [1] RACE  
2. 9S-2248 [1] FIELD COIL AND SUPPORT ASSEM.  
3. 9S-2004 [1] STATOR ASSEM.  
4. 9S-2006 [1] INSULATOR  
5. 9S-2005 [1] GROMMET  
6. 9S-2014 [3] CLIP  
7. 9S-2302 [1] ROTOR ASSEM.  
8. 9S-2390 [1] RETAINER ASSEM.  
9. 9S-2391 [1] SEAL  
10. 9S-2256 [1] GASKET  
11. 9S-2261 [1] COLLAR  
12. 2F-5721 [1] BEARING  
13. 2P-5616 [1] FRAME  
14. 3B-4502 [4] LOCKWASHER  
15. 9S-2009 [4] BOLT  
16. 9S-2391 [1] SEAL  
17. 9S-2254 [1] COLLAR  
18. 9S-2252 [1] SLINGER  
19. 9S-2008 [4] SCREW  
20. 9S-2258 [1] FAN AND BAFFLE ASSEM.  
21. 7F-7621 [1] WASHER  
22. 2K-4821 [1] LOCKNUT  
 

#UEG0821S0628
 

2P-1204: ALTERNATOR GP

2P1204 ALTERNATOR GROUP--24 Volt, 19 Ampere
Part of 2P7836 Alternator Group and Alternator shown on Pages 374, 374A and 375
c207038 UEG0821S
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Parts for your D6C TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 031-0243 [3] SCREW  
2. 6N-3821 CS [1] REGULATOR ASSEM.  
  3K-6234 [1] SCREW  
  4B-4863 [1] WASHER  
3. 009-8708 [2] BOOT  
4. 2L-8076 [1] TERMINAL  
5. 2L-8077 [1] TERMINAL  
6. 1P-1091 T KIT-(Reg. Mounting Plate and Gasket)  
7. 1P-1145 [1] HOLDER ASSEM.  
  1P-1137 [2] HOLDER  
8. 4B-2049 [4] NUT  
  3B-4502 [4] LOCKWASHER  
9. 1P-1138 [1] FIELD TERMINAL AND PLATE ASSEM.  
10. 5S-4245 [2] SCREW  
  6B-4542 [2] LOCKWASHER  
11. 4B-4274 [1] WASHER  
12. 1P-1130 T [1] KIT (2 Brushes)  
13. 032-4000 [4] SCREW  
14. 2P-1714 T [1] KIT (4 Gaskets)  
15. 1P-1080 T [1] KIT (Retainer and Seals)  
16. 6N-6717 CT [1] KIT (insulator)  
    (Terminal Stud)
17. 2P-1709 [1] RECTIFIER AND STATOR ASSEM.  
18. 2P-1719 [1] PLATE AND RECTIFIER ASSEM.  
    (Positive)
  2P-1720 [1] PLATE AND RECTIFIER ASSEM.  
    (Negative)
19. 6N-1226 C [1] ROTOR ASSEM.  
20. 1B-8705 [1] KEY  
21. 3B-4502 [10] LOCKWASHER  
22. 6N-5255 C [1] HEAD ASSEM.  
23. 6D-9953 [2] PIN  
24. 1B-5387 C [1] BEARING  
25. 2P-1713 T [1] KIT (Retainer and Seal)  
    (Retainer, Seal, Spacer, Washer)
26. 017-2311 [3] SCREW  
27. 9M-5520 [1] SCREW  
28. 3B-4511 [1] LOCKWASHER  
29. 1P-1131 T [1] KIT (Shaft Parts-Nut and Lockwasher)  
30. 2L-0611 [1] BEARING  
31. 1P-1134 [1] RACE  
32. 6N-5257 CT [1] KIT (frame screw-12 bolts)  
33. 6N-5254 C [1] HEAD ASSEM.  
34. 3B-4507 [2] LOCKWASHER 11mm(.437 in.)I.D.  
  3B-4504 [2] LOCKWASHER 6.35mm(.25in.)I.D.  
35. 1D-4718 [2] NUT 11mm(.437 in.) I.D.  
  9M-1311 [2] NUT 6.35mm(.25 in.)I.D.  
36. 2H-6139 [4] LOCKWASHER  
37. 1P-1088 T [1] KIT (2 Brush Springs)  
38. 2P-6261 C [2] INSULATOR  
  C   INDICATES CHANGE
  S   2P1698 ALTERNATOR ASSEM. CONSI
  T   REPAIR KITS ARE AVAILABLE MARK
 

#UEG0821S0629
 

5S-8501: GLOW PLUG GP

5S8501 GLOW PLUG GROUP
Part of all Engine Arrangements
c113565 UEG0821S
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Parts for your D6C TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2H-3755 [ 3] BOLT  
  3B-4505 [ 3] LOCKWASHER  
  4B-4277 [ 3] WASHER  
2. 5S-8479 [ 1] LEAD ASSEM.  
3. 1P-7324 [ 6] GLOW PLUG  
 

Information:

Specifications
Alternator
26SI Series Alternator
Systems Operation
General Information
26SI Series Alternator
Component Description
26SI Series Alternator
Normal Operation
26SI Series Alternator
Testing and Adjusting
T1 Alternator Output - Test
26SI Series Alternator
T3 Charging System - Test
26SI Series Alternator
T5 Alternator Current - Test
26SI Series Alternator
General Information
26SI Series Alternator
Component - Test
26SI Series Alternator
Disassembly and Assembly
Alternator - Assemble
26SI Series Alternator
Alternator - Disassemble
26SI Series Alternator

Caterpillar Parts SIS Catalog D6C :

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