Excavator Starter Motors
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24V gear-reduction starter motor identified by the owned-unit reference L30L2-3708100A. A Yuchai YC6L310-50 parts catalog lists base number L30L2-3708100 as the starter assembly, and independent starter catalogs publish a 24V, 7.5 kW, 11-tooth configuration for that base number. Prestolite's M105R range also records Yuchai application and related L30L2-3708100 references, but supplier and calibration suffixes are not presented as unconditional interchanges. Five exact owned photographs show the same starter, 11-tooth pinion, three-hole flange and label. Confirm the complete suffix, rotation, pilot, flange, terminals, engine build and equipment serial before ordering.
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Owned-Unit Part Number | Exact label identity | L30L2-3708100A |
| Base Manufacturer Reference | Yuchai YC6L starter assembly; confirm suffix | L30L2-3708100 |
| Starter Manufacturer Reference - Verify | Published Yuchai application | M105R3059SE |
| Supplier/Calibration Suffix - Verify | Not an unconditional interchange | L30L2-3708100A1201A |
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 Published engine family: Yuchai YC6L, Documented engine example: Yuchai YC6L310-50 (LA20B), Fitment limitation: Confirm full suffix, voltage, output, teeth, rotation, mount, engine build and serial. Confirm the complete part number and machine serial range before ordering.
Manufacturer number: L30L2-3708100, M105R3059SE.
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.
