Overview

• Mack Trucks has announced plans to lay off 250–350 workers at its Lehigh Valley Operations plant over the next 90 days due to declining heavy-duty truck orders.
• Company spokesperson Kimberly Pupillo cited tariff-driven market uncertainty, freight rate instability, and reduced demand as key factors behind the decision.
• The Macungie, Pennsylvania, facility employs approximately 1,200 workers and is a significant contributor to the region's manufacturing economy.
• State Rep. Josh Siegel and the group Republicans Against Trump criticized the Trump administration's trade policies, blaming them for destabilizing local industries and job losses.
• The layoffs come as Pennsylvania, a critical swing state, faces heightened scrutiny of federal trade decisions ahead of the 2026 midterm elections.