Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
Quotation details: MOQ, availability, lead time, item condition (new or remanufactured) and warranty coverage must be confirmed in your quotation before ordering.
Part-number relationships
Relationship
Reference family
Number
Primary Cat Part Number
Official electric starting motor assembly
272-4774
Same-number Formatting Variant
Search alias only
2724774
Official Cat Reman Alternative
Remanufactured alternative; not a formatting alias
10R-7586
Same-number Formatting Variant
Search alias for reman alternative only
10R7586
Cross-reference (fitment check required)
ARROWHEAD
SMT0365
Cross-reference (fitment check required)
ARROWHEAD
M8T60871
Cross-reference (fitment check required)
ARROWHEAD
M8T60873
Cross-reference (fitment check required)
CATERPILLAR
125-2988
Cross-reference (fitment check required)
CATERPILLAR
1R7370
Cross-reference (fitment check required)
J&N Electrical Products
410-48113
Cross-reference (fitment check required)
LESTER
18541
Cross-reference (fitment check required)
MITSUBISHI
M8T60871
Cross-reference (fitment check required)
MITSUBISHI
M8T60872
Cross-reference (fitment check required)
MITSUBISHI
M8T60873
Cross-reference (fitment check required)
MITSUBISHI INDUSTRIAL
32B66-02102
Cross-reference (fitment check required)
MITSUBISHI INDUSTRIAL
32B66-12500
Cross-reference (fitment check required)
WAI
18541N
Product fitment guide
Part numbers and compatible models
Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.
Part identification
Reference numbers
Primary number
272-4774
Formatting alias
2724774
10R7586
Cross-reference (fitment check required)
SMT0365
M8T60871
M8T60873
125-2988
1R7370
410-48113
18541
M8T60872
32B66-02102
32B66-12500
18541N
Remanufactured number
10R-7586
Formatting aliases are the same number written differently. Cross-references require a specification and fitment check; they do not by themselves confirm direct interchangeability. Related assemblies and remanufactured numbers are separate relationship types.
Product summary
Electric Starting Motor Assembly
Category
Starter Motors
Catalog ID
53883958
Photo views
4
Before ordering
Confirm these details
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.
Verify the engine model and machine serial range before ordering.
Fitment limitation: Confirm 272-4774, flange, terminal layout and machine serial range before shipment
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
Common questions about 272-4774
Which machines use 272-4774?
Recorded compatible model references include Official Cat excavator families: 311C / 311D / 312C / 312D / 313D / 314C / 314D / 315D, Official Cat excavator families: 318C / 318D / 319C / 319D / 320B / 320C / 320D / 321C / 321D / 323D. Recorded fitment/evidence notes: Fitment limitation: Confirm 272-4774, flange, terminal layout and machine serial range before shipment. Confirm the complete part number and machine serial range before ordering.
What numbers are documented for 272-4774?
Cross-references are listed in the relationship table above. Compare specifications and the original unit before treating a reference as interchangeable. Formatting aliases for the same number: 2724774, 10R7586. Remanufactured references: 10R-7586.
How do I confirm 272-4774 before ordering?
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.
