Starter Motors
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Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
Quotation details: MOQ, availability, lead time, item condition (new or remanufactured) and warranty coverage must be confirmed in your quotation before ordering.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Part Number | Exact product-folder and catalogue identity | 2W-6078 |
| Same-number Formatting Variant | Punctuation-normalized search alias | 2W6078 |
| Related Mounting / Product Family — Not Direct Interchange | Related Caterpillar air-starter assembly family | 7C-3372 |
Product fitment guide
Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.
Part identification
Formatting aliases are the same number written differently. Cross-references require a specification and fitment check; they do not by themselves confirm direct interchangeability. Related assemblies and remanufactured numbers are separate relationship types.
Product summary
Before ordering
Machine fitment
3 model references
Fitment / evidence notes
Compatibility lists identify searchable model families, not every production serial range. Confirm the original part number and machine serial number before purchase.
Quick fitment answers
Recorded compatible model references include Verified system type: Caterpillar-style vane air starter motor, Catalog-recorded engine families: 3412, 3508, 3508B, 3508C, 3512, 3512B, 3512C, 3516, 3516B and 3516C, Catalog-recorded equipment families: 5230/5230B, 776C/776D, 777D, 784B/784C, 785/785B/785C/785D, 789B/789C and 793B/793C. Recorded fitment/evidence notes: Fitment limitation: Verify 2W-6078, 12 teeth, 57.1mm outside diameter, 28mm thickness, six-tooth RH helical spline and the installed vane air-starter model. Confirm the complete part number and machine serial range before ordering.
Formatting aliases for the same number: 2W6078. Related assembly numbers (not direct interchanges): 7C-3372.
Confirm voltage and power rating against the original starter nameplate. Compare mounting-hole pattern, flange position and overall body orientation. Confirm pinion tooth count and rotation where those values are specified. Send clear photos of the original unit and connector layout when requesting a quote.
