Part-number relationships
| Relationship | Reference family | Number |
|---|---|---|
| Primary Part Number | Exact identity retained from the supplied application catalog | AL78690 |
Excavator Alternators
AL78690 John Deere Alternator for 1550 1750 1850
Brand illustration · Exact product photo available on request.
OEM / referenceAL78690
SpecificationAlternator
Catalog ID91000996
Catalog records classify AL78690 as an John Deere alternator for the applications shown below. The source set contains 19 supporting catalog rows. Recorded machine applications include 1550, 1750, 1850, 1850N Tractors (Europe Edition), 1640, 2040. 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
- 19
- 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
- 91000996
- 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 AL78690
Which machines use AL78690?
Recorded compatible model references include Machine models 1: 1550 / 1750 / 1850 / 1850N Tractors (Europe Edition) / 1640 / 2040 / 2040S Tractors (S.N. 430000- ) / 1950 / 1950N Tractors (Europe Edition) / 2140 Tractor (S.N. 430000- ), Machine models 2: 2250 / 2450 Tractors (Synchro-Transmission)(Europe Edition) / 2355 and 2555 General Purpose Tractors (North America Edition) / 2650 / 2650N / 2850 Tractors (Synchro-Transmission)(Europe Edition) / 2755 (GPT) and 2855N Tractors (North America Edition) / 2955 Tractor (S.N. -767516) North America Edition / 3040 / 3140 Tractors (S.N. 430000- ), Machine models 3: 3050 / 3350 Tractors (Europe Edition) / 3055 / 3255 Tractors (North America Edition) / 3155 Tractor (North America Edition) / 3640 Tractor (Europe Edition) / 3650 Tractor (Europe Edition) / 6100 / 6200 Tractors (Europe Edition) / 6200, Machine models 4: 6300 / 6400 / and 6500 Tractors (North America Edition) / 6400 Tractors (Europe Edition) / SPAIN, 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 AL78690?
No alternate number is listed for AL78690. Send the original nameplate for an alternate-number check.
How do I confirm AL78690 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.