GM Cuts Third Shift in Oshawa, Impacting Hundreds of Workers

General Motors (GM) has announced plans to eliminate the third shift at its Oshawa Assembly Plant, effective January 29, 2026. This decision will result in significant job losses, affecting more than 700 direct positions at the facility and potentially hundreds more in the supply chain.

The union representing the workers, Unifor, has expressed strong disapproval of the move. According to Lana Payne, national president of Unifor, GM’s action signifies a willingness to prioritize external pressures over the welfare of its Canadian workforce. Payne stated that the company has “caved to Donald Trump rather than stood up for its loyal Canadian workforce.”

The Oshawa Assembly Plant is known for producing Chevrolet Silverado pickup trucks. GM previously announced in May 2025 plans to reduce production at this facility while ramping up operations in Fort Wayne, Indiana, as trade tensions and tariffs increased under the former administration. GM has stated that approximately 500 employees will be laid off as a direct result of the third shift elimination.

Despite the job losses, GM maintains that it remains committed to the Oshawa plant. The company has invested $280 million in preparations to build its latest models of gas-powered full-sized pickups. GM emphasized its efforts to collaborate with the union to support affected employees during this transition and expressed gratitude for their contributions to the company.

This decision comes amid a challenging automotive landscape, where manufacturers are navigating shifts in consumer demand and international trade policies. The impact of these changes is felt not only within GM but throughout the broader automotive supply chain in Canada, where many suppliers depend on the assembly plant for their business.

As the situation unfolds, the focus will remain on the workers displaced by this decision and the future of the Oshawa Assembly Plant as GM continues to evolve its production strategies in response to market conditions. The loss of jobs in this region highlights the ongoing challenges faced by workers in the manufacturing sector as companies adapt to a rapidly changing economic environment.