Caterpillar 3126B Industrial 101-4540 GEAR GP-FRONT Parts
Caterpillar 3126B 101-4540 GEAR GP-FRONT: 17 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: 101-4540 GEAR GP-FRONT. Archive index label: 101-4540 GEAR GP-FRONT. The supplied archive identifies its source as CATERPILLAR 3126B INDUSTRIAL ENGINE.pdf; source page 223. 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 223: 101-4540 GEAR GP-FRONT S/N: BEJ1-198 TYPE 1.
Original PDF physical page 224: 101-4540 GEAR GP-FRONT S/N: BEJ1-198 TYPE 2.
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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101-4540 GEAR GP-FRONT 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 | 2W-8476 | 2W8476 | 1 | GEAR AS-IDLER (50 TEETH) | Graphic ref.: 1; Product level: 1; Source PDF section: 101-4540 GEAR GP-FRONT | Request a Quote |
| 1A | 2W-7566 | 2W7566 | 1 | BEARING-SLEEVE | Graphic ref.: 1; Product level: 2; Source PDF section: 101-4540 GEAR GP-FRONT | Request a Quote |
| 2 | 101-3208 | 1013208 | 1 | PLATE-RETAINING | Graphic ref.: 1; Product level: 1; Source PDF section: 101-4540 GEAR GP-FRONT | Request a Quote |
| 3 | 7W-9740 | 7W9740 | 1 | GEAR AS-IDLER (43 TEETH) | Graphic ref.: 1; Product level: 1; Source PDF section: 101-4540 GEAR GP-FRONT | Request a Quote |
| 3A | 7W-9930 | 7W9930 | 1 | BEARING-SLEEVE | Graphic ref.: 1; Product level: 2; Source PDF section: 101-4540 GEAR GP-FRONT | Request a Quote |
| 4 | 6V-3822 | 6V3822 | 1 | BOLT (M10X1.5X35MM) | Original note flags: M; Graphic ref.: 1; Product level: 1; Source PDF section: 101-4540 GEAR GP-FRONT | Request a Quote |
| 5 | 7W-9738 | 7W9738 | 1 | WASHER | Graphic ref.: 1; Product level: 1; Source PDF section: 101-4540 GEAR GP-FRONT | Request a Quote |
| 6 | 7W-9737 | 7W9737 | 1 | SHAFT-OIL PUMP | Graphic ref.: 1; Product level: 1; Source PDF section: 101-4540 GEAR GP-FRONT | Request a Quote |
| 7 | 101-3207 | 1013207 | 1 | SHAFT-CAM IDLER | Graphic ref.: 1; Product level: 1; Source PDF section: 101-4540 GEAR GP-FRONT | Request a Quote |
| 8 | 6V-5843 | 6V5843 | 2 | BOLT (M10X1.50X45MM) | Original note flags: M; Graphic ref.: 1; Product level: 1; Source PDF section: 101-4540 GEAR GP-FRONT | Request a Quote |
| 9 | 9X-2305 | 9X2305 | 1 | BOLT-LOCKING | Original note flags: M; Graphic ref.: 1; Product level: 1; Source PDF section: 101-4540 GEAR GP-FRONT | Request a Quote |
| 1 | 2W-8476 | 2W8476 | 1 | GEAR AS-IDLER (50 TEETH) | Graphic ref.: 1; Product level: 1; Source PDF section: 101-4540 GEAR GP-FRONT | Request a Quote |
| 1A | 2W-7566 | 2W7566 | 1 | BEARING-SLEEVE | Graphic ref.: 1; Product level: 2; Source PDF section: 101-4540 GEAR GP-FRONT | Request a Quote |
| 2 | 6V-3822 | 6V3822 | 1 | BOLT (M10X1.5X35MM) | Original note flags: M; Graphic ref.: 1; Product level: 1; Source PDF section: 101-4540 GEAR GP-FRONT | Request a Quote |
| 3 | 101-3207 | 1013207 | 1 | SHAFT-CAM IDLER | Graphic ref.: 1; Product level: 1; Source PDF section: 101-4540 GEAR GP-FRONT | Request a Quote |
| 4 | 6V-5843 | 6V5843 | 2 | BOLT (M10X1.50X45MM) | Original note flags: M; Graphic ref.: 1; Product level: 1; Source PDF section: 101-4540 GEAR GP-FRONT | Request a Quote |
| 5 | 101-3208 | 1013208 | 1 | PLATE-RETAINING | Graphic ref.: 1; Product level: 1; Source PDF section: 101-4540 GEAR GP-FRONT | Request a Quote |
Original PDF Table Notes
M-METRIC PART
GRAPHIC #1 g00692130
M-METRIC PART
GRAPHIC #1 g00820242
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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 201-4094 FLYWHEEL GP Parts
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- Caterpillar 3126B Industrial 196-8549 FLYWHEEL GP Parts
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