Excavator Starter Motors
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128000-4080 Starter Motor for Excavator and Diesel Equipment. EexcavaStart starter motor identified by reference 128000-4080. Compare the complete part number, connector or mounting configuration, and the original product photos before ordering. Send the machine model, serial number, and nameplate photo for a fitment check.
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Manufacturer Part Number | Denso starter reference | 128000-4080 |
| Same-number Formatting Alias | Search alias only; not a separate interchange | 1280004080 |
| Interchange Reference | exact-number replacement | S6330S |
| Published Caterpillar Equipment Reference | Equipment cross-reference; confirm machine serial | 7C2264 |
| Published Bobcat Equipment Reference | Equipment cross-reference; confirm machine serial | 6665324 |
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
4 model references
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 Published engine families: Perkins 4.236 / 4.248, Published Caterpillar/Towmotor equipment: R70 / R80 / V60F / V80F / V90F families, Additional published equipment family: Selected Bobcat Perkins-powered applications, Fitment limitation: Confirm label, 12V, power, 10T pinion, flange, holes, engine and serial. Confirm the complete part number and machine serial range before ordering.
Documented direct interchanges: S6330S. Formatting aliases for the same number: 1280004080.
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.
