Excavator Starter Motors
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Cat identifies 436-9106 as a 24-volt, 9-kilowatt single starter with a fixed SAE No. 3 aluminum flange. The official record lists insulated ground, gear-reduction construction, IP6K7/9K sealing and C9.3B, C9.3 and C18 industrial-engine applications. Four selected owned photographs show the matching compact gear-reduction housing, drive, flange and terminal sides. Confirm 436-9106, 24 V, the fixed SAE No. 3 flange, terminal layout and engine 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 Cat Part Number | Official 24V 9kW starter identity | 436-9106 |
| Same-number Formatting Variant | Search alias only | 4369106 |
| Official Cat Reman Alternative | Remanufactured alternative; not a formatting alias | 30R-1794 |
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 industrial engines: C9.3B / C9.3 / C18, Official Cat equipment examples: 631K / 637K / 651 / 657 / 825 / 825K / 826 / 826K / R1700 / R2900 / RM400, Fitment limitation: Confirm 436-9106, 24 V, fixed SAE No. 3 flange, terminal layout and engine serial range before shipment. Confirm the complete part number and machine serial range before ordering.
Formatting aliases for the same number: 4369106. Remanufactured references: 30R-1794.
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.
