Excavator Alternators

RE50411 12V 90A Alternator for John Deere 3.9L 4.5L 6.8L 7.6L Engines

Q: What numbers are documented for RE50411?

Primary Equipment Part Number: RE50411. Related OE Reference: RE50811. Official Replacement: 61022016. Manufacturer Cross-Reference: 8MR2069T. Rejected Legacy Import String: 2-4039D. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm RE50411 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.

RE50411 12V 90A Alternator for John Deere 3.9L 4.5L 6.8L 7.6L Engines, OEM/reference RE50411, 12V 90A Alternator, product view 1

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OEM / referenceRE50411

Specification12V 90A Alternator

Catalog ID88166354

RE50411 and RE50811 are listed by Delco Remy as John Deere OE alternator references for 3.9L, 4.5L, 6.8L and 7.6L marine engines, with 61022016 as the Delco replacement. Exact electrical data identifies a 12V, 90A insulated, self-excited Motorola/Prestolite-style unit. Confirm the complete number, regulator and ground configuration, pulley, mounting and engine arrangement before ordering.

Product Type: Alternator
Voltage: 12 V
Amperage: 90 A
Ground: Insulated
Excitation: Self-excited in Prestolite record
Regulator and Mount: Compare with original

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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	John Deere alternator reference	RE50411
Related OE Reference	Same Delco application family; verify unit label	RE50811
Official Replacement	Delco Remy reference	61022016
Manufacturer Cross-Reference	Prestolite reference	8MR2069T
Rejected Legacy Import String	Source sequence, not a part number	2-4039D

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

RE50411

Manufacturer number

8MR2069T

Related assembly

RE50811

Other documented relationship

61022016
2-4039D

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

Product summary

12V 90A Alternator

Category: Excavator Alternators
Catalog ID: 88166354
Photo views: 2

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

2 model references

Engine families: John Deere marine 3.9L / 4.5L / 6.8L / 7.6L
Fitment limitation: Confirm number, regulator, ground, pulley, mount and arrangement

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 RE50411

Which machines use RE50411?

Recorded compatible model references include Engine families: John Deere marine 3.9L / 4.5L / 6.8L / 7.6L, Fitment limitation: Confirm number, regulator, ground, pulley, mount and arrangement. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for RE50411?

Manufacturer number: 8MR2069T. Related assembly numbers (not direct interchanges): RE50811.

How do I confirm RE50411 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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