Excavator Starter Motors
2 product photos · Swipe on mobile, or hover and select a thumbnail.
M8T55473 is a Mitsubishi 12V, 3.0kW clockwise starter with a 10-tooth pinion and two-hole mounting for S6S industrial-engine and forklift applications. Cross-reference records include Mitsubishi 32B66-20300/20301. Manufacturer-hosted serial coverage was not located, so the page remains Probable/noindex. Confirm the label, pinion, flange, mounts, engine arrangement and machine serial range.
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 | Mitsubishi starter reference | M8T55473 |
| Equipment Part Number | Mitsubishi reference | 32B66-20300 |
| Equipment Part Number | Mitsubishi reference | 32B66-20301 |
| Related Manufacturer Number | Mitsubishi family; verify configuration | M8T55471 |
| Related Manufacturer Number | Mitsubishi family; verify configuration | M8T55472 |
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 Engine family: Mitsubishi S6S industrial engine, Equipment family: Mitsubishi, Caterpillar and Kalmar forklift applications using the listed service numbers, Fitment limitation: Confirm label, pinion, flange, mounts, engine and serial range. Confirm the complete part number and machine serial range before ordering.
Manufacturer number: M8T55471, M8T55472.
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.
