A presidential proclamation effective April 6 restructured Section 232 tariffs so that the 25 percent duty applies to the full customs value of imported Class 3-8 commercial trucks and trailers, not merely the steel and aluminum content, according to Commercial Carrier Journal. Mexico supplied 71.9 percent of heavy truck imports by dollar value in 2025, and the top four domestic manufacturers control 76 percent of production, limiting competitive alternatives.
Operator takeaway
If you have a capital equipment purchase pending for an imported chassis, get an updated quote that reflects the full-value tariff calculation — any estimate based on the pre-April 6 structure understates your landed cost.