Caterpillar 3126B Industrial 175-3223 PULLEY AS-IDLER Parts
Caterpillar 3126B 175-3223 PULLEY AS-IDLER: 4 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: 175-3223 PULLEY AS-IDLER. Archive index label: 124-7786 BELT TENSIONER GP, 201-9771 PULLEY GP. The supplied archive identifies its source as CATERPILLAR 3126B INDUSTRIAL ENGINE.pdf; source page 275. 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 275: 175-3223 PULLEY AS-IDLER S/N: BEJ1-188 PART OF 124-7786 BELT TENSIONER GP, 201-9771 PULLEY GP ALSO 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.
Illustrations | Parts table | Request a quote
175-3223 PULLEY AS-IDLER 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 | 124-7792 | 1247792 | 1 | PULLEY AS-IDLER | Graphic ref.: 1; Product level: 1; Source PDF section: 175-3223 PULLEY AS-IDLER | Request a Quote |
| 2 | 124-7791 | 1247791 | 1 | COVER-DUST | Graphic ref.: 1; Product level: 1; Source PDF section: 175-3223 PULLEY AS-IDLER | Request a Quote |
| 3 | 124-7790 | 1247790 | 1 | BOLT-SPECIAL (M10X1.5X40MM) | Original note flags: M; Graphic ref.: 1; Product level: 1; Source PDF section: 175-3223 PULLEY AS-IDLER | Request a Quote |
| 4 | 145-2901 | 1452901 | 1 | COVER-DUST (REAR) | Graphic ref.: 1; Product level: 1; Source PDF section: 175-3223 PULLEY AS-IDLER | Request a Quote |
Original PDF Table Notes
M-METRIC PART
GRAPHIC #1 g00614102
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.
Send an enquiry or email winsparts@winsparts.com.
Related Caterpillar Catalog Sections
- Caterpillar 3126B Industrial 6I-0415 POWER TAKE-OFF GP-REAR Parts — Source page 274
- Caterpillar 3126B Industrial 201-9771 PULLEY GP Parts
- Caterpillar 3126B Industrial 4W-2651 POWER TAKE-OFF GP-REAR Parts — Source page 273
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