Starter Motors

Komatsu YM129953-77010 Starter Motor for 4D98E-1C

Q: What numbers are documented for YM129953-77010?

Primary Part Number: YM129953-77010. Related reference - verify configuration: SHI0210. Related reference - verify configuration: S13-138. Related reference - verify configuration: S13-138A. Related reference - verify configuration: RYM129953-77019. Related reference - verify configuration: YM129953-77019. Related reference - verify configuration: 19694. Related reference - verify configuration: LRS01643. Related reference - verify configuration: 129953-77010. Related reference - verify configuration: 129953-77011. Related reference - verify configuration: 129953-77012. Related reference - verify configuration: 129953-77015. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm YM129953-77010 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 / referenceYM129953-77010

SpecificationStarter Motor

Catalog ID91002083

Product Type: Starter Motor
Supply Brand: EexcavaStart
Equipment Brand: Komatsu
Catalog Classification: Starting Motor Ass'Y,(3Kw) (See Fig.A6210-B0A2)
Application Records: 2
Condition: New replacement part
Gallery Representation: EexcavaStart neutral packaging illustration; actual product photograph pending
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	YM129953-77010
Cross-reference (fitment check required)	ARROWHEAD	SHI0210
Cross-reference (fitment check required)	HITACHI	S13-138
Cross-reference (fitment check required)	HITACHI	S13-138A
Cross-reference (fitment check required)	KOMATSU	RYM129953-77019
Cross-reference (fitment check required)	KOMATSU	YM129953-77019
Cross-reference (fitment check required)	LESTER	19694
Cross-reference (fitment check required)	LUCAS ELECTRICAL EUROPE	LRS01643
Cross-reference (fitment check required)	YANMAR	129953-77010
Cross-reference (fitment check required)	YANMAR	129953-77011
Cross-reference (fitment check required)	YANMAR	129953-77012
Cross-reference (fitment check required)	YANMAR	129953-77015
Cross-reference (fitment check required)	YANMAR	129953-77019

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

YM129953-77010

Cross-reference (fitment check required)

SHI0210
S13-138
S13-138A
RYM129953-77019
YM129953-77019
19694
LRS01643
129953-77010
129953-77011
129953-77012
129953-77015
129953-77019

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: 91002083
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: 4D98E-1C

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 YM129953-77010

Which machines use YM129953-77010?

Recorded compatible model references include Engine models: 4D98E-1C. 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 YM129953-77010?

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 YM129953-77010 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.