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Alternator for John Deere Crawlers, Excavators & Marine Feller Bunchers

Alternator for John Deere Crawlers, Excavators & Marine Feller Bunchers

SKU:400-16035

Regular price £104.50 GBP
Regular price Sale price £104.50 GBP
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Free shipping over £150. Terms apply

Alternator for John Deere Crawlers, Excavators & Marine Feller Bunchers

24V alternator for John Deere crawlers, excavators, marine and feller buncher applications

This alternator is built for John Deere crawlers, excavators, marine engines and feller buncher equipment, engineered to OEM specifications for a direct fit and function replacement across this range of heavy-duty industrial and marine machinery.

It runs at 24 volts with a 40 amp output, matching the higher-voltage charging systems typically used on this class of equipment. It uses bi-directional rotation and is internally regulated with an external fan (IR/EF), a combination chosen to suit the demanding duty cycles of industrial and marine applications.

Key Features

  • Built for John Deere industrial and marine applications
  • 24 volt, 40 amp output
  • Bi-directional rotation
  • Internally regulated with external fan (IR/EF)
  • Covers crawlers, excavators and feller buncher equipment

Technical Specs

Specification Detail
Voltage 24V
Amperage 40A
Rotation Bi-Directional
Fan Type External (EF)
Regulator Type Internal (IR)

Vehicle Fitment Guide

Make & Model Years
John Deere Crawlers, Excavators, Marine & Feller Bunchers Not specified by supplier

OEM Part Number Cross Reference

Aftermarket replacement. OEM part numbers are listed for reference only.

Part Number Manufacturer / Brand
489873 John Deere (earlier version)

Frequently Asked Questions

Will this fit without modification?

Yes, this alternator is built to OEM specifications for a direct, bolt-in fit on covered John Deere crawler, excavator, marine and feller buncher applications.

What's included?

You receive one fully assembled 24V 40A alternator, ready to install.

How do I know my old alternator has failed?

Common signs include a charge warning light staying on with the engine running, dimming or flickering lights, a battery that will not hold charge overnight, or an unusual whining or grinding noise from the unit as it turns.

Is this suitable for marine use?

Yes, this unit covers industrial and marine John Deere applications as listed by the supplier.

Dispatched from the UK · 12-month warranty · Fitment support from our technical team
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Shipping calculated at checkout. Free shipping over £150. Terms apply