Excavator Alternators

A4T66686 34368-01100 24V 50A Alternator for CAT 320 / 320B / 320C

Q: What numbers are documented for A4T66686?

Primary Manufacturer Number: A4T66686. OEM Cross-Reference: 34368-01100. Formatted Search Alias: 3436801100. Catalog Cross-Reference: 0-33000-6511. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm A4T66686 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.

A4T66686 34368-01100 24V 50A Alternator for CAT 320 / 320B / 320C, OEM/reference A4T66686, 24V 50A Two-Groove Alternator, product view 1

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OEM / referenceA4T66686

Specification24V 50A Two-Groove Alternator

Catalog ID53572577

Mitsubishi alternator number A4T66686 cross-references to 34368-01100 for selected CAT 320-series excavator applications. An independent alternator catalog specifies 24V, 50A and a two-groove pulley, while specialist equipment records list CAT 320, 320B and 320C applications. Separate engine-family records associate A4T66686 with Mitsubishi 6D22 equipment. Five EexcavaStart-owned photos show the same two-groove alternator configuration. Earlier 55A and 60A duplicate pages are consolidated because those ratings are not supported by the reviewed exact configuration. Confirm A4T66686 / 34368-01100, 24V 50A, pulley, mounting and machine serial range before ordering.

Product Type: Alternator
Nominal Voltage: 24V
Rated Output: 50A
Pulley: Two-groove pulley
Manufacturer Family: Mitsubishi A4T
Condition: New replacement unit; confirm quotation configuration

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Part-number relationships

Relationship	Reference family	Number
Primary Manufacturer Number	Mitsubishi alternator number	A4T66686
OEM Cross-Reference	CAT/Mitsubishi application number	34368-01100
Formatted Search Alias	Same OEM number without separators	3436801100
Catalog Cross-Reference	6D22-family catalog reference; verify mounting before substitution	0-33000-6511

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

A4T66686

Formatting alias

3436801100

Other documented relationship

34368-01100
0-33000-6511

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

Product summary

24V 50A Two-Groove Alternator

Category: Excavator Alternators
Catalog ID: 53572577
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

5 model references

CAT excavator: 320
CAT excavator: 320B
CAT excavator: 320C
Engine family: Mitsubishi 6D22; confirm machine-specific mounting and pulley
Fitment limitation: Confirm A4T66686 / 34368-01100, 24V 50A, two-groove pulley, mounting and machine serial range

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 A4T66686

Which machines use A4T66686?

Recorded compatible model references include CAT excavator: 320, CAT excavator: 320B, CAT excavator: 320C, Engine family: Mitsubishi 6D22; confirm machine-specific mounting and pulley, Fitment limitation: Confirm A4T66686 / 34368-01100, 24V 50A, two-groove pulley, mounting and machine serial range. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for A4T66686?

Formatting aliases for the same number: 3436801100.

How do I confirm A4T66686 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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