Product Overview

New premium-quality 24-volt Nikko-style alternator designed as a direct replacement for selected Komatsu construction equipment equipped with 6D110 and 6D125 diesel engines. Manufactured to meet or exceed OEM specifications for dependable charging performance in demanding construction and earthmoving applications.

Features

Brand New Premium Quality Alternator

Direct Replacement for Original Equipment

24 Volt Electrical System

35 Amp Output

Internal Voltage Regulator

External Cooling Fan

Negative Ground

Factory-Tested Before Shipment

Meets or Exceeds OEM Specifications

Interchange Numbers

Komatsu

600-825-3120

600-825-3131

600-825-3150

600-825-3151

600-825-3160

600-825-3730

600-825-3740

600-825-3750

600-825-3810

Nikko

0-35000-0390

0-35000-0391

0-35000-0392

Compatible Equipment

Komatsu Wheel Loaders

WA320 with 6D110 Diesel Engine (1998)

Komatsu Excavators

PC130 with 6D110 Diesel Engine (1998)

PC400 with 6D125 Diesel Engine (1995–1997)

Komatsu Crawler Dozers

D65E with 6D125 Diesel Engine (1994)

Always verify your original OEM part number before ordering.

Specifications

Specification	Value
Part Number	AJ2331
Unit Type	Nikko Alternator
Voltage	24 Volt
Output	35 Amp
Regulator	Internal
Fan	External
Polarity	Negative Ground
Condition	New

Notes

Designed as a direct-fit replacement alternator for Komatsu construction equipment using Nikko charging systems. Built with premium-quality components for dependable charging performance and long service life in heavy-duty applications.

Warranty

Backed by the AJ-ELECTRIC warranty against defects in materials and workmanship.

Need Help Identifying Your Alternator?

If you are unsure this is the correct replacement for your application, contact AJ-ELECTRIC with your OEM part number, model, or serial number and we will help verify the correct unit before purchase.