Starter Motors

Komatsu YM124976-77011 Starter Motor for 3D78N-1B

Q: What numbers are documented for YM124976-77011?

Primary Part Number: YM124976-77011. Related reference - verify configuration: SHI0182. Related reference - verify configuration: 110485. Related reference - verify configuration: S114-349. Related reference - verify configuration: S114-349A. Related reference - verify configuration: S114-349B. Related reference - verify configuration: 410-44048R. Related reference - verify configuration: 410-44064. Related reference - verify configuration: 410-44099. Related reference - verify configuration: 18201. Related reference - verify configuration: 124976-77010. Related reference - verify configuration: 124976-77011. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm YM124976-77011 before ordering?

Match the complete part number, compare the connector or mounting arrangement with your original unit and the recorded specifications, and confirm the machine or engine model and serial range. Send clear photos of the original unit when requesting a quote.

EexcavaStart packaging illustration · Not a photograph of this exact part. Exact-unit photo availability is not confirmed; send your original part number and unit photos with your inquiry.

OEM / referenceYM124976-77011

SpecificationStarter Motor

Catalog ID91002067

Product Type: Starter Motor
Supply Brand: EexcavaStart
Equipment Brand: Komatsu
Catalog Classification: Starting Motor Ass'Y,(See Fig.0661)
Application Records: 6
Condition: New replacement part
Gallery Representation: EexcavaStart neutral packaging illustration; actual product photograph pending
Configuration limitation: Related replacement versions vary in pinion, output and mounting; verify the supplied unit before substitution.
Reference limitation: Confirm original-unit ratings, mounting, connections and equipment serial range; related numbers do not guarantee universal interchange.

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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 Part Number	Product reference; supplied-unit verification pending	YM124976-77011
Cross-reference (fitment check required)	ARROWHEAD	SHI0182
Cross-reference (fitment check required)	CARGO	110485
Cross-reference (fitment check required)	HITACHI	S114-349
Cross-reference (fitment check required)	HITACHI	S114-349A
Cross-reference (fitment check required)	HITACHI	S114-349B
Cross-reference (fitment check required)	J&N Electrical Products	410-44048R
Cross-reference (fitment check required)	J&N Electrical Products	410-44064
Cross-reference (fitment check required)	J&N Electrical Products	410-44099
Cross-reference (fitment check required)	LESTER	18201
Cross-reference (fitment check required)	YANMAR	124976-77010
Cross-reference (fitment check required)	YANMAR	124976-77011

Product fitment guide

Part numbers and compatible models

Quickly compare the reference number and recorded machine applications. Use photos of your original unit and the checklist before ordering.

Part identification

Reference numbers

Primary number

YM124976-77011

Cross-reference (fitment check required)

SHI0182
110485
S114-349
S114-349A
S114-349B
410-44048R
410-44064
410-44099
18201
124976-77010
124976-77011

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

Starter Motor

Category: Starter Motors
Catalog ID: 91002067
Illustration views: 1

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.

Machine fitment

Compatible model references

1 model reference

Engine models: 3D78N-1B

Fitment / evidence notes

Fitment limitation: Confirm the exact part number, electrical rating, terminal layout, mounting 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 YM124976-77011

Which machines use YM124976-77011?

Recorded compatible model references include Engine models: 3D78N-1B. Recorded fitment/evidence notes: Fitment limitation: Confirm the exact part number, electrical rating, terminal layout, mounting and machine serial range before shipment. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for YM124976-77011?

Cross-references are listed in the relationship table above. Compare specifications and the original unit before treating a reference as interchangeable.

How do I confirm YM124976-77011 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.