DMAX Ltd.

Company

Last mentioned: Mar 19, 2026

Timeline

  1. Full Operational Status

    Consolidated production of Duramax engines begins at the expanded site.

  2. Machining Migration

    Scheduled transfer of machining operations from Moraine to Brookville.

  3. Structural Completion

    Major construction on the 1.1 million sq ft expansion reaches peak activity.

  4. Investment Announcement

    GM and Isuzu announce $920M investment for DMAX Brookville.

Stories mentioning DMAX Ltd. 1

manufacturing Bullish

GM-Isuzu Joint Venture Accelerates $920M Brookville DMAX Expansion

The DMAX joint venture between General Motors and Isuzu is nearing a critical milestone in its $920 million expansion of the Brookville, Ohio, facility. This project consolidates heavy-duty diesel engine production, signaling a long-term commitment to internal combustion power for GM’s most profitable truck segments.

2 sources