Mack blames 'market uncertainty' for layoffs at Lehigh Valley plant

Updated Apr 22, 2025
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Citing "market uncertainty", Mack Trucks Thursday announced a round of layoffs at its plant in Macungie, Pennsylvania. 

A company spokesman said between 250 and 350 workers would be laid off.

“Heavy-duty truck orders continue to be negatively affected by market uncertainty about freight rates and demand, possible regulatory changes, and the impact of tariffs,” Mack spokesperson Kimberly Pupillo said.

“Today we informed our employees that this unfortunately means we’ll have to lay off 250-350 people at LVO (Lehigh Valley Operations) over the next 90 days,” Pupillo said. “We regret having to take this action, but we need to align production with reduced demand for our vehicles.”

The plant in Macungie employs around 3,050 workers.

The layoffs come shortly after Mack rolled out its new Pioneer model in a ceremony in Brooklyn, New York not far from where the company was founded 125 years ago.

State Rep. Josh Siegel said, “Once again, American workers are being sacrificed at the altar of political theater. The tariffs — erratic, broad and poorly targeted — are crushing core U.S. industries like trucking and manufacturing. Supply chains are snarled, costs are soaring, and confidence among employers is collapsing. Communities like the Lehigh Valley, built on generations of hard work and industrial pride, are now being asked to carry the burden of this administration’s incompetence. These are good-paying union jobs that our community cannot afford to lose."

“These 350 workers are not just numbers — they are parents, neighbors, veterans and skilled tradespeople who built America’s backbone. And they deserve better."

Siegel also called on U.S. Rep. Ryan Mackenzie (R-7th District), whose district includes the Lehigh County Mack plant, and Senators John Fetterman and Dave McCormick to “take back Congress’s constitutional authority on trade and end this economic sabotage before more livelihoods are lost.”