GM Shuts Down Third Shift in Oshawa, Displacing Hundreds of Workers

General Motors (GM) is set to eliminate the third shift at its Oshawa Assembly Plant in Ontario, effective Friday, resulting in significant job losses for hundreds of workers. According to the union Unifor, the decision will affect more than 700 direct jobs at the plant, along with hundreds more in the supply chain. In contrast, GM estimates that approximately 500 employees will be laid off due to this shift reduction.

The announcement has drawn sharp criticism from Unifor’s national president, Lana Payne, who stated that GM’s decision reflects a willingness to “cave to Donald Trump rather than stand up for its loyal Canadian workforce.” This comment highlights the ongoing tensions between the automaker and its labor force amid shifting production strategies influenced by trade policies.

In May 2025, GM disclosed plans to reduce a shift at the Oshawa facility, which is known for producing Chevrolet Silverado pickup trucks. The company plans to increase production of these trucks at its facility in Fort Wayne, Indiana, as it adapts to changing market demands and tariffs imposed during Trump’s administration.

Despite the layoffs, GM has emphasized its commitment to the Oshawa plant, indicating that it has invested $280 million to prepare for the production of new models of gas-powered full-sized pickups. A spokesperson for GM stated that the company has been working closely with Unifor to support the affected employees during this transition and expressed gratitude for their contributions over the years.

This move comes as the automotive industry faces ongoing challenges, including fluctuating demand and evolving regulatory landscapes. The impact of the decision will likely resonate throughout the local community, as many families depend on the jobs provided by the assembly plant and its suppliers.

As the situation unfolds, the future of the Oshawa Assembly Plant remains a critical issue for both workers and the broader automotive sector in Canada. The final decision to end the third shift highlights the complexities of maintaining production levels while navigating external pressures, including trade relations and economic shifting patterns.

This report was first published by The Canadian Press on January 29, 2026.