Alternator 24V 40A for Mitsubishi 6D108B Diesel Engine
Alternator 24V 40A for Mitsubishi 6D108B Diesel Engine
Available in stock
Product Description
Part Name: Alternator Assembly
Part Number(s): OEM part number varies by application
Brand Compatibility: Mitsubishi / Komatsu
Machine Type: Excavator / Bulldozer / Wheel Loader / Industrial Equipment
Condition: Brand New
Shipping: Fast worldwide shipping with secure packaging and reliable delivery in 2–7 business days.
The 24V 40A alternator is a direct replacement for selected Mitsubishi 6D108B diesel engines used in heavy construction equipment and industrial applications. Manufactured to OEM specifications, this alternator provides reliable battery charging and stable electrical output for the starter system, work lights, instrumentation, electronic controls and other essential electrical components. Designed for demanding construction, quarrying and mining environments, it delivers dependable charging performance to maximise uptime and minimise costly machine downtime.
The Mitsubishi 6D108B engine is widely used in Komatsu construction equipment and industrial machinery where long service life and dependable electrical performance are essential. Manufactured with premium-quality copper windings, heavy-duty bearings and a high-performance internal voltage regulator, this aftermarket alternator is built to withstand harsh operating conditions and extended service intervals.
Cross-Reference Part Numbers
OEM part number varies depending on the equipment manufacturer, production year and alternator supplier. Common Mitsubishi 24V 40A alternators include A4T-series units used across heavy equipment applications. Please verify your existing OEM part number before ordering.
Compatible Engines
Mitsubishi Diesel Engines: 6D108, 6D108B.
Compatible Machines
Komatsu Excavators: PC300-3, PC300-5, PC300-6, PC300-7 (6D108 engine variants).
Komatsu Bulldozers: Selected D155 series models equipped with Mitsubishi 6D108B engines.
Komatsu Wheel Loaders: Selected WA-series wheel loaders fitted with Mitsubishi 6D108B engines.
Industrial Applications: Generator sets, crushers, compressors, drilling equipment and industrial power units equipped with Mitsubishi 6D108B diesel engines.
Common Symptoms of Failure
Battery warning light illuminated, discharged batteries, low charging voltage, slow engine cranking, dim work lights, intermittent electrical faults, alternator bearing noise or complete charging system failure.
Fitment Note
Please confirm your existing OEM part number, engine model, mounting configuration, pulley type, electrical connector and output rating before ordering. Mitsubishi 6D108B engines were supplied with different alternator assemblies depending on the equipment manufacturer and production year. If you are unsure, contact our technical team with your engine serial number or photos of your existing alternator and we will verify compatibility before dispatch.
Technical Specifications
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