Tariffs on Medium- and Heavy-Duty Trucks Take Effect November 1, 2025

By: Tim Cengel, Director, Procurement & Electrification

Tim Cengel HeadshotAccording to the White House, beginning November 1, 2025, the U.S. government will impose new tariffs on imports of medium- and heavy-duty trucks, truck parts, and buses under Section 232 of the Trade Expansion Act. The policy mirrors earlier tariffs on autos and light-duty vehicles and is designed to encourage domestic manufacturing.

What’s Changing

  • 25% tariff on imported medium- and heavy-duty trucks (Class 3–8).
  • 25% tariff on imported truck parts, including engines, transmissions, tires, and chassis.
  • 10% tariff on imported buses, including school buses, transit buses, and motor coaches.
  • For medium- and heavy-duty trucks that do not qualify for preferential tariff treatment under the United States-Mexico-Canada Agreement (USMCA), the tariff will apply to the full value of the vehicle. For medium- and heavy-duty trucks that qualify for preferential tariff treatment under the USMCA, the tariff will only apply to the value of the non-U.S. content in the vehicle.
  • USMCA-compliant parts remain tariff-free until the Secretary of Commerce establishes a process for applying duties to non-U.S. content.
  • Domestic medium- and heavy-duty truck production will be incentivized by offering an offset to a portion of tariffs for medium- and heavy-duty truck parts equal to 3.75% of the aggregate value of all trucks assembled in the United States from 2025 through 2030. This percentage reflects the duty that would be owed when a 25% tariff is applied to 15% of the value of a U.S.-assembled medium- and heavy-duty truck.
  • Products subject to tariffs under this proclamation will not be subject to additional or existing sectoral tariffs on steel, aluminum, copper, automobiles and automobile parts, and lumber; they also will not be subject to reciprocal tariffs or the tariffs imposed on Canada, Mexico, Brazil, or India.

We will provide updates as necessary.