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Starter Motors

129940-77011 12V 3.0kW 9T Starter Motor for Yanmar 4TNV98 Engines

OEM / reference129940-77011
SpecificationStarter Motor
Catalog ID53214626
Product Type
Gear-reduction starter motor
Voltage
12V DC
Power
3.0kW
Pinion Teeth
9
Rotation
Clockwise (CW)
Mounting Holes
2
Flange Diameter
95 mm
B+ Terminal
M8
Condition
New replacement part

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

RelationshipReference familyNumber
Primary Part NumberCurrent Yanmar starter assembly number129940-77011
Superseded Part NumberOfficial Yanmar old part number129940-77010
Formatted AliasSame current number without separators; not an interchange12994077011
Rejected Legacy ReferenceNo reliable exact relationship foundS14-102B

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
  • 129940-77011
Formatting alias
  • 12994077011
Other documented relationship
  • 129940-77010
  • S14-102B

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
53214626
Photo views
5

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

3 model references

  • Yanmar engine family: 4TNV98 / 4TNV98C / 4TNV98T
  • Documented variants: 4TNV98C-NYEM / 4TNV98T-ZXWTB / 4TNV98T-ZXWTB2
  • Additional exact-number application: 4TNV94L-ZWHB

Fitment / evidence notes

  • Fitment limitation: Confirm current or superseded number, 12V, 9 teeth, two-hole flange and engine serial

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 129940-77011

Which machines use 129940-77011?

Recorded compatible model references include Yanmar engine family: 4TNV98 / 4TNV98C / 4TNV98T, Documented variants: 4TNV98C-NYEM / 4TNV98T-ZXWTB / 4TNV98T-ZXWTB2, Additional exact-number application: 4TNV94L-ZWHB. Recorded fitment/evidence notes: Fitment limitation: Confirm current or superseded number, 12V, 9 teeth, two-hole flange and engine serial. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 129940-77011?

Formatting aliases for the same number: 12994077011.

How do I confirm 129940-77011 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.

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