OEM / REF: YM129136-77011SKU: pilotpart425298
Starter YM129136-77011 YM129400-77010 YM129400-77011 YM129400-77012 for Komatsu PC35 PC40 PC50 SK815 SK714 Excavators 3D78 3D84 4D84 4D88 Engines is a Starter Motor replacement part indexed for Komatsu PC27MR-2 and Komatsu PC30MR-2, with 3 application records on file. Match OEM part number YM129136-77011 and confirm...
This Starter Motor is indexed for Komatsu PC27MR-2; Komatsu PC30MR-2; Komatsu PC35 · 4D88E; Komatsu PC35MR-2. Compare reference number YM129136-77011 against the label on your existing Komatsu component before ordering.
Additional cross references on file: YM129400-77010, YM129400-77011, YM129400-77012. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.
| Voltage | 12V |
|---|---|
| Power | 2KW |
| Teeth | 15T |
| Rotation | CW |
| Pinion/Splines OD | 44.3mm / 1.720in |
| Mounting Hole | 13.0mm ID Unthreaded |
| Part Number (Komatsu) | YM129136-77011, YM129400-77010, YM129400-77011, YM129400-77012 |
| Part Number | Komatsu: YM129136-77011, YM129400-77010, YM129400-77011, YM129400-77012 |
Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.
Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.
Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.
