Excavator Starter Motors
Brand illustration · Exact product photo available on request.
128000-2070 is cataloged as a starter motor with design OSGR, voltage 12V, pinion teeth 15. Exact application data includes John Deere 25 Compact (1986-1989; Engine Yanmar 3TN78), with catalog coverage for John Deere (1986-1989), Yanmar (1984-1991). Confirm the complete part number, voltage, mounting, terminal layout, rotation and pinion configuration against the original unit before shipment. The displayed EexcavaStart package is a catalog illustration, not a photograph of the supplied product.
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Part Number | Primary identity used for this catalog page | 128000-2070 |
| Manufacturer / OEM Reference | Listed under John Deere | AT110818 |
| Manufacturer / OEM Reference | Listed under Yanmar | 171353-77010 |
| Catalog Cross-Reference | Exact-reference catalog number | 17387N |
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 John Deere 25 Compact: 1986-1989; Engine Yanmar 3TN78, Yanmar 3TN78L: 1984-1991; Engine Yanmar Diesel, Catalog coverage: John Deere (1986-1989) ** Yanmar (1984-1991), Fitment limitation: Confirm the exact number, nameplate, mounting, terminal layout, rotation and pinion teeth against the original starter before shipment. Confirm the complete part number and machine serial range before ordering.
Manufacturer number: AT110818, 171353-77010.
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.
