Part-number relationships
| Relationship | Reference family | Number |
|---|---|---|
| Primary Part Number | Exact identity retained from the supplied application catalog | RE27109 |
Excavator Alternators
RE27109 John Deere Alternator for 4000 and 4020 Tractors 4030 Tractor T
Brand illustration · Exact product photo available on request.
OEM / referenceRE27109
SpecificationAlternator
Catalog ID91001072
Catalog records classify RE27109 as an John Deere alternator for the applications shown below. The source set contains 46 supporting catalog rows. Recorded machine applications include 4000 and 4020 (s.n. 201; 000- ) Tractors, 4030 Tractor, 4230 Tractor, 4276 OEM Engines and Accessories (Dubuque), 4320 Tractor, 4430 Tractor; recorded engine references include 6466D. Confirm the complete part number, electrical rating, terminals, mounting arrangement and machine serial range against the original unit before ordering.
- Product Type
- Alternator
- Supply Brand
- EexcavaStart
- Equipment Brand
- John Deere
- Catalog Classification
- Alternator
- Application Records
- 46
- Condition
- New replacement part
- Gallery Representation
- EexcavaStart neutral packaging illustration; exact product photo available on request
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
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
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
- 91001072
- Photo 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
5 model references
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 RE27109
Which machines use RE27109?
Recorded compatible model references include Machine models 1: 4000 and 4020 (s.n. 201; 000- ) Tractors / 4030 Tractor / 4230 Tractor / 4276 OEM Engines and Accessories (Dubuque) / 4320 Tractor / 4430 Tractor / 444D Loader / 4620 Tractor / 4630 Tractor / 4650 and 4850 Tractors ( ), Machine models 2: 5200 and 5400 Forage Harvesters / 5440 and 5460 Forage Harvester / 544D Loader / 5720 and 5820 Forage Harvesters / 6030 Tractor / 6076 (6076AF001; 6076TF001; 6076HF; 6076AFD) OEM Engines (ESN -499999)(Waterloo) / 6076AFM Marine Engine and Accessories (Waterloo)(ESN -499999) / 6329D OEM Engine and Accessories / 6414D and 6414T OEM Engines and Accessories / 644D Loader, Machine models 3: 6466D / T / A (s.n. 067685- ) OEM Engines and Accessories / 6619AF / 6619TF-01 OEM Engines and Accessories (Waterloo) / 8430 Tractor (1974-1981) ( ) / 8630 Tractor ( ), Engine models: 6466D, 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 RE27109?
No alternate number is listed for RE27109. Send the original nameplate for an alternate-number check.
How do I confirm RE27109 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.