Excavator Alternators

129908-77210 12V 80A Alternator for Yanmar 4TNV94L 4TNV98 Engines

Q: What numbers are documented for 129908-77210?

Primary Equipment Part Number: 129908-77210. Formatted Alias: 12990877210. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 129908-77210 before ordering?

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

129908-77210 12V 80A Alternator for Yanmar 4TNV94L 4TNV98 Engines, OEM/reference 129908-77210, 12V 80A Alternator, product view 1

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OEM / reference129908-77210

Specification12V 80A Alternator

Catalog ID71196570

129908-77210 is a Yanmar 12V 80A alternator assembly for 4TNV94L, 4TNV98 and 4TNV98T-family engines. The owned folder references a DX60-7 application, but exact machine fitment depends on the installed Yanmar engine suffix, pulley and wiring. Confirm the engine data plate, alternator label, connector, pulley and serial.

Voltage: 12 V
Output Current: 80 A
Pulley and Connector: Confirm physical unit

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Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.

Part-number relationships

Relationship	Reference family	Number
Primary Equipment Part Number	Yanmar alternator reference	129908-77210
Formatted Alias	Same number without separator	12990877210

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

129908-77210

Formatting alias

12990877210

Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.

Product summary

12V 80A Alternator

Category: Excavator Alternators
Catalog ID: 71196570
Photo views: 5

Before ordering

Confirm these details

Confirm voltage and rated amperage against the original alternator label.
Compare mounting ears, pulley type and pulley-groove count.
Check plug shape, terminal position and regulator connection.
Verify the engine model and machine serial range before ordering.

Machine fitment

Compatible model references

3 model references

Engines: Yanmar 4TNV94L / 4TNV98 / 4TNV98T family
Owned machine lead: Doosan DX60-7 - confirm installed engine and serial
Fitment limitation: Confirm engine suffix, label, connector, pulley and 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 129908-77210

Which machines use 129908-77210?

Recorded compatible model references include Engines: Yanmar 4TNV94L / 4TNV98 / 4TNV98T family, Owned machine lead: Doosan DX60-7 - confirm installed engine and serial, Fitment limitation: Confirm engine suffix, label, connector, pulley and serial. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 129908-77210?

Formatting aliases for the same number: 12990877210.

How do I confirm 129908-77210 before ordering?

Confirm voltage and rated amperage against the original alternator label. Compare mounting ears, pulley type and pulley-groove count. Check plug shape, terminal position and regulator connection. Send clear photos of the original unit and connector layout when requesting a quote.

Continue comparing verified references from the same system.

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