Excavator Starter Motors
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M8T50471 is cataloged as a Mitsubishi 12V 3.6kW clockwise PLGR starter with a 9-tooth pinion, two mounting holes and an 82.5 mm flange for Kubota V3300, V3307 and V3800 engine families. Kubota references include 1K012-63011/63012 and 1G777-63010/63011/63012, but suffix-specific supersession should be checked. Confirm the complete label, flange, pinion, terminals, engine suffix and equipment serial.
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 | M8T50471 |
| Manufacturer Number Variant | Leading-zero Mitsubishi format | M008T50471 |
| Equipment Cross-Reference | Kubota reference | 1K012-63011 |
| Equipment Cross-Reference | Kubota reference | 1K012-63012 |
| Related Supersession Family | Verify exact suffix before interchange | 1G777-63010 / 1G777-63011 / 1G777-63012 |
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 Engines: Kubota V3300 / V3307 / V3800, Representative equipment: Kubota, Bobcat, Caterpillar, Gehl, Manitou and Takeuchi applications; verify exact serial, Fitment limitation: Confirm label, flange, pinion, terminals, suffix and serial. Confirm the complete part number and machine serial range before ordering.
Manufacturer number: M008T50471. Related assembly numbers (not direct interchanges): 1G777-63010 / 1G777-63011 / 1G777-63012.
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.
