Japanese automaker Isuzu Motors will relocate heavy-duty truck production from Fujisawa to Ageo as part of a domestic manufacturing reorganisation.
The move supports preparations for the 2028 launch of a jointly developed medium heavy-duty truck platform with UD Trucks.
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Production transfer is scheduled to commence in June 2026, with full operations at the reorganised site due to begin in 2028.
Isuzu plans to invest around Y40bn ($260.64m) in the transition.
Once completed, the Ageo Plant will become the group’s primary manufacturing base for heavy-duty trucks, while the Fujisawa Plant will concentrate on medium- and light-duty models.
The company said the restructuring is aimed at improving manufacturing efficiency and increasing capacity by leveraging the respective strengths of each facility.
At Ageo, annual production capacity is projected to reach about 25,000 units.
The plant will move from a single-shift system to two-shift operations.
Investment plans include building a new paint shop and upgrading existing facilities.
Heavy-duty vehicles produced at Ageo will serve customers in Japan and other Asian markets.
Currently operated by Isuzu Motors, the Fujisawa Plant handles development, procurement and manufacturing of light-, medium- and heavy-duty trucks.
As of 31 March 2025, it employed 6,004 people across a site spanning 1,013,648 square metres, with total floor space of 660,503 square metres.
The Ageo Plant, run by UD Trucks Corporation, focuses on heavy-duty truck development and production.
As of 31 March 2025, the site employed 2,084 people and covers 419,723 square metres, with total floor area of 275,560 square metres.
The reorganisation forms part of Isuzu’s mid-term plan, “ISUZU Transformation – Growth to 2030”.
The plan targets sales of more than 850,000 new vehicles and revenues above Y5tn from existing businesses by fiscal 2030, alongside building a supply chain capable of supporting one million units.
In parallel, the Isuzu Group is progressing joint development of a common medium heavy-duty truck platform for Japan and wider Asian markets, drawing on technologies from the Volvo Group.
