Excavator Starter Motors
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Starter Motor identified by primary reference 3K021-63012. Catalog-confirmed configuration: 12V, 5kW, 9T. The cited technical sources record 1 application reference. Confirm the complete number, connector or mounting arrangement, and machine serial range before ordering.
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Part Number | Source catalog | 3K021-63012 |
| Same-number Formatting Variant | Source catalog | 3K02163012 |
| Catalog Cross-Reference - Verify Configuration | Recorded in the cited catalog family; confirm electrical, mounting and application configuration | STM2852ML |
| Catalog Cross-Reference - Verify Configuration | Recorded in the cited catalog family; confirm electrical, mounting and application configuration | STQ2852ML |
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. Related assemblies and remanufactured numbers are not presented as direct interchanges.
Product summary
Before ordering
Machine fitment
1 model reference
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 Recorded application: KUBOTA M6040 M704K M7040 M954K M9540 Tractor. Confirm the complete part number and machine serial range before ordering.
Formatting aliases for the same number: 3K02163012.
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.
