Part-number relationships
| Relationship | Reference family | Number |
|---|---|---|
| Primary Equipment Part Number | Yanmar reference | 129129-77010 |
| Manufacturer Service Family | DENSO catalog family | DSN2069 |
Excavator Starter Motors
6 product photos · Swipe on mobile, or hover and select a thumbnail.
129129-77010 is a Yanmar starter used with published 3TNE82A, 3TNE84, 3TNE88 and 3TNV88 engine applications. DENSO groups it within the DSN2069 starter family, but exact cross-reference and rating variants must be checked by configuration. Confirm 129129-77010, voltage and power on the original label, pinion teeth, mounting, engine suffix and machine serial before ordering.
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Equipment Part Number | Yanmar reference | 129129-77010 |
| Manufacturer Service Family | DENSO catalog family | DSN2069 |
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
3 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: Yanmar 3TNE82A / 3TNE84 / 3TNE88 / 3TNV88, Owned equipment lead: Komatsu PC30 family - verify serial and engine, Fitment limitation: Confirm full number, label, teeth, mounting, engine suffix and serial. Confirm the complete part number and machine serial range before ordering.
Manufacturer number: DSN2069.
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.