Alternators

Alternator RE42778 for John Deere 5300 5400 5500 Tractors

Q: What numbers are documented for RE42778?

Primary Part Number: RE42778. Related reference - verify configuration: 400-52098. Related reference - verify configuration: ND100211-4701. Related reference - verify configuration: 110620. Related reference - verify configuration: 100211-4700. Related reference - verify configuration: 100211-4701. Related reference - verify configuration: RE72915. Related reference - verify configuration: SE501379. Related reference - verify configuration: TY6760. Related reference - verify configuration: 12080. Related reference - verify configuration: 463712. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm RE42778 before ordering?

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

EexcavaStart packaging illustration · Not a photograph of this exact part. Exact-unit photo availability is not confirmed; send your original part number and unit photos with your inquiry.

OEM / referenceRE42778

SpecificationAlternator

Catalog ID91001077

Product Type: Alternator
Supply Brand: EexcavaStart
Equipment Brand: John Deere
Catalog Classification: Alternator
Application Records: 2
Condition: New replacement part
Gallery Representation: EexcavaStart neutral packaging illustration; actual product photograph pending
Reference limitation: Confirm original-unit ratings, mounting, connections and equipment serial range; related numbers do not guarantee universal interchange.

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

Quotation details: MOQ, availability, lead time, item condition (new or remanufactured) and warranty coverage must be confirmed in your quotation before ordering.

Part-number relationships

Relationship	Reference family	Number
Primary Part Number	Product reference; supplied-unit verification pending	RE42778
Cross-reference (fitment check required)	ARROWHEAD	400-52098
Cross-reference (fitment check required)	ARROWHEAD	ND100211-4701
Cross-reference (fitment check required)	CARGO	110620
Cross-reference (fitment check required)	DENSO	100211-4700
Cross-reference (fitment check required)	DENSO	100211-4701
Cross-reference (fitment check required)	JOHN DEERE	RE72915
Cross-reference (fitment check required)	JOHN DEERE	SE501379
Cross-reference (fitment check required)	JOHN DEERE	TY6760
Cross-reference (fitment check required)	LESTER	12080
Cross-reference (fitment check required)	TUCKER ROCKY	463712

Product fitment guide

Part numbers and compatible models

Quickly compare the reference number and recorded machine applications. Use photos of your original unit and the checklist before ordering.

Part identification

Reference numbers

Primary number

RE42778

Cross-reference (fitment check required)

400-52098
ND100211-4701
110620
100211-4700
100211-4701
RE72915
SE501379
TY6760
12080
463712

Formatting aliases are the same number written differently. Cross-references require a specification and fitment check; they do not by themselves confirm direct interchangeability. Related assemblies and remanufactured numbers are separate relationship types.

Product summary

Alternator

Category: Alternators
Catalog ID: 91001077
Illustration views: 1

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

1 model reference

Machine models: 5300 / 5400 / 5500 Tractors (Europe Edition) / 5300N / 5400N / 5500N Tractors (Europe Edition)

Fitment / evidence notes

Fitment limitation: Confirm the exact part number, electrical rating, terminal layout, mounting and machine serial range before shipment

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 RE42778

Which machines use RE42778?

Recorded compatible model references include Machine models: 5300 / 5400 / 5500 Tractors (Europe Edition) / 5300N / 5400N / 5500N Tractors (Europe Edition). Recorded fitment/evidence notes: Fitment limitation: Confirm the exact part number, electrical rating, terminal layout, mounting and machine serial range before shipment. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for RE42778?

Cross-references are listed in the relationship table above. Compare specifications and the original unit before treating a reference as interchangeable.

How do I confirm RE42778 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.