Excavator Alternators

A4T66786 24V 50A Alternator for Mitsubishi 6D2 6D22

Q: What numbers are documented for A4T66786?

Primary Part Number: A4T66786. Catalog Cross-Reference - Verify Configuration: 12316N. Catalog Cross-Reference - Verify Configuration: 12316. Catalog Cross-Reference - Verify Configuration: 143-42207. Catalog Cross-Reference - Verify Configuration: 203-282. Catalog Cross-Reference - Verify Configuration: 400-48087. Catalog Cross-Reference - Verify Configuration: 90-27-3205. Catalog Cross-Reference - Verify Configuration: A-80069. Catalog Cross-Reference - Verify Configuration: A004T66786. Catalog Cross-Reference - Verify Configuration: AMT0255. Catalog Cross-Reference - Verify Configuration: AVF-12316. Catalog Cross-Reference - Verify Configuration: ME150143. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm A4T66786 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.

A4T66786 24V 50A Alternator for Mitsubishi 6D2 6D22, OEM/reference A4T66786, Alternator, product view 1

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OEM / referenceA4T66786

SpecificationAlternator

Catalog ID53656531

Alternator identified by primary reference A4T66786. Catalog-confirmed configuration: 24V, 50A. The cited technical sources record 3 application references. Confirm the complete number, connector or mounting arrangement, and machine serial range before ordering.

Product Type: Alternator
Product Brand: EexcavaStart
Voltage: 24V 50A
Technical Specification: 50 Amp/24 Volt, CW, 2-Groove Pulley
Design: IR/EF
Voltage: 24
Amperage: 50
Rotation: CW
Plug Clock: 04:00 Plug Clocking
Plug Code: 192
Pulley Class: V2
Condition: New replacement part

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Part-number relationships

Relationship	Reference family	Number
Primary Part Number	Source catalog	A4T66786
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	12316N
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	12316
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	143-42207
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	203-282
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	400-48087
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	90-27-3205
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	A-80069
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	A004T66786
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	AMT0255
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	AVF-12316
Catalog Cross-Reference - Verify Configuration	Recorded in the cited catalog family; confirm electrical, mounting and application configuration	ME150143

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

A4T66786

Other documented relationship

12316N
12316
143-42207
203-282
400-48087
90-27-3205
A-80069
A004T66786
AMT0255
AVF-12316
ME150143

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

Product summary

Alternator

Category: Excavator Alternators
Catalog ID: 53656531
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

Recorded application: Make: Mitsubishi · Model: 6D2 · Year: 1992-2007 · Engine: Diesel
Recorded application: Make: Mitsubishi · Model: 6D22 · Year: 1989 · Engine: Diesel
Recorded application: Make: Mitsubishi · Model: 6D22T · Year: 1989 · Engine: Diesel

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 A4T66786

Which machines use A4T66786?

Recorded compatible model references include Recorded application: Make: Mitsubishi · Model: 6D2 · Year: 1992-2007 · Engine: Diesel, Recorded application: Make: Mitsubishi · Model: 6D22 · Year: 1989 · Engine: Diesel, Recorded application: Make: Mitsubishi · Model: 6D22T · Year: 1989 · Engine: Diesel. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for A4T66786?

No alternate number is listed for A4T66786. Send the original nameplate for an alternate-number check.

How do I confirm A4T66786 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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