Caterpillar 3126B Industrial 4N-3986 ALTERNATOR GP-CHARGING*R Parts
Caterpillar 3126B 4N-3986 ALTERNATOR GP-CHARGING*R: 42 catalog entries transcribed from the supplied original PDF from the 3126B Industrial Engine · BEJ1-Up (Engine) configuration.
Engine and Catalog Identification
Source configuration: 3126B Industrial Engine · BEJ1-Up (Engine). Application: Industrial. Reviewed chapter: 4N-3986 ALTERNATOR GP-CHARGING*R. Archive index label: 4N-3986 ALTERNATOR GP-CHARGING*R. The supplied archive identifies its source as CATERPILLAR 3126B INDUSTRIAL ENGINE.pdf; source page 475. Check the full engine serial number, arrangement number, application and original notes before ordering. This section does not establish interchangeability with other configurations.
Original PDF Assembly Scope and Conditions
Original PDF physical page 475: 4N-3986 ALTERNATOR GP-CHARGING *R 24 VOLT, 60 AMPERE AN ATTACHMENT.
The parts table retains the separate source assembly for each entry. Drawings retain their own original assembly headings and may show a narrower component scope. Original part numbers, conditions, graphic references, product levels and note flags apply; no interchangeability is implied.
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4N-3986 ALTERNATOR GP-CHARGING*R Illustrations


Original Caterpillar Parts List
The original part number is retained. Common Caterpillar Number is the same recognized number with its hyphen removed, for example 3N-2886 → 3N2886. Letters, digits and leading zeros remain unchanged. This is a spelling variant, not a substitute part or fitment guarantee. Unrecognized formats are marked for verification. Original quantities and notes apply; quantities do not indicate stock. An em dash represents an empty source field. Original manual page references are retained as source references.
| Ref. | Original Part Number | Common Caterpillar Number | Catalog Qty. | Original Description | Original Catalog Notes | Enquiry |
|---|---|---|---|---|---|---|
| 1 | 6N-1876 | 6N1876 | 1 | HOUSING AS | Graphic ref.: 1; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 2 | 9S-2396 | 9S2396 | 1 | BUSHING-TERMINAL | Graphic ref.: 1; Product level: 2; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 3 | 9N-0943 | 9N0943 | 1 | PLUG-BEARING WELL | Graphic ref.: 1; Product level: 2; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 4 | 5P-3418 | 5P3418 | 1 | BEARING-ROLLER | Graphic ref.: 1; Product level: 2; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 5 | 6N-1968 | 6N1968 | 1 | STATOR AS | Graphic ref.: 1; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| — | 9S-2014 | 9S2014 | 3 | CLIP | Graphic ref.: 1; Product level: 2; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| — | 9N-0939 | 9N0939 | 1 | GROMMET | Graphic ref.: 1; Product level: 2; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 6 | 9N-0942 | 9N0942 | 1 | PLATE-COVER | Graphic ref.: 1; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 7 | 2P-5616 | 2P5616 | 1 | FRAME-DRIVE END | Graphic ref.: 1; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 8 | 9S-2390 | 9S2390 | 1 | RETAINER | Graphic ref.: 1; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 9 | 9N-0937 | 9N0937 | 1 | RECTIFIER AS | Graphic ref.: 1; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 10 | 9S-2302 | 9S2302 | 1 | ROTOR AS | Graphic ref.: 1; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 11 | 5P-7807 | 5P7807 | 1 | BALL BEARING | Graphic ref.: 1; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 12 | 100-6531 | 1006531 | 1 | FAN-ALTERNATOR | Graphic ref.: 1; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 13 | 5P-3419 | 5P3419 | 1 | RACE-BEARING INNER | Graphic ref.: 1; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 14 | 7F-7621 | 7F7621 | 1 | WASHER | Graphic ref.: 1; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 15 | 2K-4821 | 2K4821 | 1 | LOCKNUT (5/8-18 THD) | Graphic ref.: 1; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 16 | 6N-1945 | 6N1945 | 1 | COIL AS-FIELD | Graphic ref.: 1; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 17 | 9X-2500 | 9X2500 | 4 | SCREW-HEX FLANGE | Graphic ref.: 1; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 18 | 9N-3388 | 9N3388 | 5 | LOCKSCREW | Graphic ref.: 1; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 19 | 100-6532 | 1006532 | 1 | COLLAR-ALTERNATOR | Graphic ref.: 1; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 20 | 9S-2009 | 9S2009 | 4 | SCREW-HEAD | Graphic ref.: 1; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 21 | 6N-1944 | 6N1944 | 1 | DIODE AS | Graphic ref.: 2; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 22 | 6N-1870 | 6N1870 | 2 | SCREW AS | Graphic ref.: 2; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| — | 8M-6701 | 8M6701 | 3 | WASHER (12.7MM) | Graphic ref.: 2; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| — | 6N-1856 | 6N1856 | 4 | BUSHING-TERMINAL | Graphic ref.: 2; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 23 | 8T-0328 | 8T0328 | 2 | WASHER-HARD (1MM THK) | Graphic ref.: 2; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 24 | 9S-2544 | 9S2544 | 7 | SCREW-HEX HEAD | Graphic ref.: 2; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 25 | 9B-7233 | 9B7233 | 11 | LOCKWASHER (NO.8) | Graphic ref.: 2; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 26 | 4B-2043 | 4B2043 | 4 | NUT (8-32 THD) | Graphic ref.: 2; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 27 | 6V-8187 | 6V8187 | 2 | NUT (1/4-28 THD) | Graphic ref.: 2; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 28 | 1H-3244 | 1H3244 | 2 | LOCKWASHER (NO.14) | Graphic ref.: 2; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 29 | 6N-1925 | 6N1925 | 1 | BRACKET | Graphic ref.: 2; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 30 | 6N-1946 | 6N1946 | 1 | CAPACITOR AS | Graphic ref.: 2; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 31 | 6N-1872 | 6N1872 | 3 | SCREW AS | Graphic ref.: 2; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 32 | 3T-6354 | 3T6354 | 1 | REGULATOR AS | Graphic ref.: 2; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 33 | 6N-1873 | 6N1873 | 1 | LEAD AS | Graphic ref.: 2; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 34 | 2L-8075 | 2L8075 | 3 | TERMINAL (HORN) | Graphic ref.: 2; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 35 | 8T-4205 | 8T4205 | 2 | WASHER-HARD (2MM THK) | Graphic ref.: 2; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| 36 | 6N-1871 | 6N1871 | 1 | LEAD AS | Graphic ref.: 2; Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| — | 6N-1875 | 6N1875 | 1 | KIT-TERMINAL (INCLUDES TERMINAL, LOAD, BUSHING, WASHERS, NUTS AND LOCKWASHERS) | Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
| — | 105-3762 | 1053762 | 1 | KIT-ALTERNATOR TERMINAL (INCLUDES TERMINAL, INSULATOR,BUSHING, WASHER, NUTS AND LOCKWASHERS) | Product level: 1; Source PDF section: 4N-3986 ALTERNATOR GP-CHARGING | Request a Quote |
Original PDF Table Notes
AVAILABLE REPAIR KIT(S):
Request a Quote from WinsDiesel
Send the original part number, required quantity, Caterpillar 3126B engine serial number, arrangement number, application, component photos and delivery country. Supplied contents, specification, availability and lead time will be confirmed in the quotation.
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Related Caterpillar Catalog Sections
- Caterpillar 3126B Industrial 3E-7577 ALTERNATOR GP-CHARGING*R Parts
- Caterpillar 3126B Industrial 5N-5692 ALTERNATOR GP-CHARGING Parts
- Archive index: 178-0198 PUMP GP-UNIT INJECTION — Original PDF chapter: 154-8016 SEAL GP-FUEL INJECTOR
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