CAT E308D Excavator Alternator 24V 30A OEM 139-7850 A3TA8199

Name: CAT E308D Excavator Alternator 24V 30A OEM 139-7850 A3TA8199
Brand: EexcavaStart
SKU: 53631454

OEM / reference139-7850 A3TA8199 · LRA02426 A2T72986 · CAT E308D

Specification24V 30A

Catalog ID53631454

24V 30A reference 139-7850 A3TA8199. Compatibility references include 305.5, 306, 307D and 4 additional models listed below. Compare the part number, connector layout, mounting points and the original unit before ordering; machine serial range can affect fitment.

OEM: 139-7850 A3TA8199
Feature: Alternator
VDC: 24V 30A
Model Number: LRA02426 A2T72986
Engine Model: CAT E308D

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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

139-7850
A3TA8199
LRA02426
A2T72986
139-7850 A3TA8199

Search with or without hyphens. Match the complete number on the original part.

Product summary

24V 30A

Category: Alternators
Catalog ID: 53631454
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

7 model references

305.5
306
307D
307C
308D
307B
308C

Compatibility lists identify searchable model families, not every production serial range. Confirm the original part number and machine serial number before purchase.

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