This non-genuine alternator is a direct replacement for the OEM unit used on Yanmar small diesel engines, including 2TNV70 and 3THV76. It replaces part number 129423-77200 and is designed to maintain battery charge and power the electrical system on compact machines. Built with a robust, silver-finished cast aluminium housing and a belt-driven pulley, it offers dependable performance in daily use. The compact, ventilated body helps with cooling, while OE-style mounting bosses and terminals support a straightforward swap on compatible equipment. Suitable for mini excavators, mini dumpers, and similar plant, it provides a practical, cost-effective solution for keeping machinery reliable on site.

Key Features:
– Non-Genuine Part: cost-effective replacement for OEM 129423-77200
– Made to match OEM fit and alignment on Yanmar engines for hassle-free installation
– Durable cast aluminium body with corrosion-resistant finish for long service life
– Stable charging to support reliable starting and machine electrics
– Belt-driven pulley compatible with typical drive setups on compact diesel engines
– Ventilated housing to aid cooling under continuous use
– Compact form factor suitable for tight engine bays on mini plant
– Pre-formed mounting bosses for quick, tidy fitment
– Suitable for tough site conditions with vibration and dust

Typical Applications:
Replacement charging unit for mini excavators, mini dumpers, skid steers, compact loaders, and other equipment powered by Yanmar engines. Common in construction, landscaping, hire fleets, agriculture, and light industrial machinery where dependable battery charging and electrical supply are required.

Also known as:
Engine alternator, generator, charging alternator, alternator assembly, belt-driven charging unit, replacement charging system, engine charging device.

Fits Models:
106, 140, 2001HS, 2TNV70, 3THV76, 3TNE84, 4240, 4TNE84, EC27C, SV26

Alternate Part Numbers:
129423-77200, 12942377200, 129423 77200

Product Specifications