Excavator Starter Motors
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Isuzu 1-81100-272-1 is a 24V, 7.5kW, 11-tooth clockwise OSGR starter for 6SD1/6SD1TP engines and Hitachi EX300-family excavators. The imported folder value 1-8100272-1 omits a digit and is rejected. Confirm the corrected number, rating, pinion, mount, engine arrangement and serial before ordering.
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| Relationship | Reference family | Number |
|---|---|---|
| Corrected Primary Equipment Number | Isuzu formatted reference | 1-81100-272-1 |
| Compact Search Alias | Same Isuzu number without separators | 1811002721 |
| Rejected Imported Number | Malformed folder value; not an interchange | 1-8100272-1 |
| Manufacturer Cross-Reference | Nikko family | 0-23000-7292 |
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 Verified engines: Isuzu 6SD1 / 6SD1TP, Published excavators: Hitachi EX300-2 / EX300-3 / EX300-3HHE, Fitment limitation: Confirm corrected number, rating, pinion, mount, engine and serial. Confirm the complete part number and machine serial range before ordering.
Manufacturer number: 0-23000-7292. Formatting aliases for the same number: 1811002721.
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.
