Excavator Starter Motors
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Clockwise 24-volt, 6.0-kW, 10-tooth replacement starter identified by the supplied number 125-2988W. The exact owned package label confirms the electrical specification, rotation and tooth count. The official equipment record for 125-2988 lists Cat 312B, 312C, 314C, 318C, 319C, 320B, 320C, 320D, 321B, 321C and 323D excavator families. Confirm the complete W-suffix number, flange, pinion and machine serial range before ordering.
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Supplied Part Number | Complete replacement-unit number | 125-2988W |
| Equipment Part Number | Official Cat base number | 125-2988 |
| Published Replacement Reference | Verify flange, pinion and electrical configuration | 32866-00202 |
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
6 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 Equipment: Cat 312B / 312C / 314C, Equipment: Cat 318C / 319C, Equipment: Cat 320B / 320C / 320D, Equipment: Cat 321B / 321C / 323D, Equipment: Cat 910G compact wheel loader, Fitment limitation: Confirm 125-2988W or 125-2988, 24V, 6.0 kW, 10-tooth CW drive, flange, terminal layout and machine serial range. Confirm the complete part number and machine serial range before ordering.
No alternate number is listed for 125-2988W. Send the original nameplate for an alternate-number check.
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.
