Excavator Starter Motors
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600-813-2750 is cross-referenced to Nikko 0-21000-2310 in multiple starter catalogs as a 24V 11kW clockwise starter with an 11-tooth pinion for Komatsu 4D155/6D155 engines. Representative crawler applications include D95, D150, D155 and D355 families. Confirm both numbers, direct-drive or original configuration, pinion, flange, solenoid orientation, engine suffix and serial.
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Equipment Part Number | Komatsu starter reference | 600-813-2750 |
| Manufacturer Starter Number | Nikko reference | 0-21000-2310 |
| Related Komatsu Family | Verify exact suffix and serial | 600-813-2751 / 600-813-2752 / 600-813-2753 |
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
4 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: Komatsu 4D155 / 6D155, Representative machines: Komatsu D95 / D150 / D155 / D355, Komatsu catalog engine references: S6D155-4A, Fitment limitation: Confirm both numbers, configuration, pinion, flange, solenoid, suffix and serial. Confirm the complete part number and machine serial range before ordering.
Manufacturer number: 0-21000-2310. Related assembly numbers (not direct interchanges): 600-813-2751 / 600-813-2752 / 600-813-2753.
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.
