Part-number relationships
| Relationship | Reference family | Number |
|---|---|---|
| Primary Cat Part Number | Official turbine air starter identity | 253-0287 |
| Same-number Formatting Variant | Search alias only | 2530287 |
Excavator Starter Motors
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Cat identifies 253-0287 as a compressed-air turbine starter with clockwise rotation, a 12-tooth pinion and a three-hole mounting flange. The official compatible-model record lists G3508, G3508B, G3512, G3512B, G3516, G3516B and G3520B gas-engine or generator-set applications. Six selected owned photographs show the same yellow turbine air starter from its pinion, flange, housing and air-port sides. Confirm 253-0287, 12 teeth, clockwise rotation, three-hole flange, air-port configuration and engine arrangement before ordering.
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Cat Part Number | Official turbine air starter identity | 253-0287 |
| Same-number Formatting Variant | Search alias only | 2530287 |
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 Official Cat gas engines: G3508 / G3508B / G3512 / G3512B / G3516 / G3520B, Official Cat generator-set application: G3516B, Fitment limitation: Confirm 253-0287, 12-tooth pinion, clockwise rotation, three-hole flange, air ports and engine arrangement before shipment. Confirm the complete part number and machine serial range before ordering.
Formatting aliases for the same number: 2530287.
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.