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Excavator Starter Motors
Offset-gear-reduction starter identified by Poong Sung number 03101-3180 and Cummins number 4900574. Exact-number rotating-electrical catalogs consistently record 12V, 2.0kW, clockwise rotation and a 15-tooth pinion for equipment using the Cummins A2300 engine, including recorded Vermeer trencher and sweeper applications. Confirm both complete numbers, pinion, mounting ears, terminals and the original unit before ordering.
Fitment status: Verified · Checked 2026-07-28Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Part Number | Poong Sung manufacturer number | 03101-3180 |
| Same-number Formatting Variant | Punctuation-normalized search alias | 031013180 |
| Equipment Manufacturer Number | Cummins exact reference | 4900574 |
| Aftermarket Replacement Number | WAI exact catalog reference | 19188N |
| Aftermarket Catalog Number | Lester search reference | 19188 |
Source URLs, catalog files and local evidence paths are stored in the protected product audit record and are not public outbound links.
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 model: Cummins A2300, Recorded equipment: Vermeer trencher / sweeper with A2300 engine, Fitment limitation: Confirm complete number, pinion, mounting ears, terminals and original-unit configuration. Confirm the complete part number and machine serial range before ordering.
Manufacturer number: 4900574. Formatting aliases for the same number: 031013180.
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.
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