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UPDATE: Trump delays 25% truck import tariff to 1 November

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US President Donald Trump has postponed the introduction of a 25% tariff on imported medium- and heavy-duty trucks until 1 November 2025. The delay, originally planned for 1 October, extends uncertainty for European manufacturers with plants in Mexico as details about exemptions under the US-Mexico-Canada Agreement remain unclear.

There is a person behind this text – not artificial intelligence. This material was entirely prepared by the editor, using their knowledge and experience.

Update: 7 October 2025, 10:50 CET

According to a new Truth Social post published on Monday, the 25% import tariff on medium- and heavy-duty trucks will now take effect on 1 November 2025, instead of 1 October.

The announcement follows a federal investigation into truck imports launched earlier this year under Section 232 of the Trade Expansion Act. Trump reiterated that the measure is justified on national-security grounds and aimed at strengthening domestic manufacturing.

Industry observers warn that the delay offers little relief for European manufacturers such as Daimler Truck and Traton, whose Mexico-based factories supply a large share of vehicles to the US. It also remains unclear whether the 25% levy will be added to existing import duties of around 15%, potentially pushing overall costs above 40%.


Originally published on 30 September 2025

The tariff, revealed via a Truth Social post, was presented as essential to shield American truck makers such as Peterbilt, Kenworth, Freightliner and Mack from “unfair outside competition”. Trump linked the policy to national security, stating:

“We need our Truckers to be financially healthy and strong, for many reasons, but above all else, for National Security purposes!”

Industry analysts note that key details remain unclear. It is not certain whether trucks built in Mexico and Canada will be exempt under the US-Mexico-Canada Agreement (USMCA), nor whether the levy applies only to fully assembled vehicles or also to imported components.

If no exemption is granted for Mexico, the impact could be severe: nearly four-fifths of imported heavy trucks come into the US from Mexican plants, according to Capital Economics.

Global truckmakers stumble, US-based rivals climb

The announcement immediately rattled markets. Shares in Daimler Truck and Traton fell sharply on Friday, with Citi analysts estimating the tariff could cost Daimler up to €800 million. Volvo, which already manufactures trucks in the US, saw its shares rise amid speculation that it may gain an advantage.

The American Trucking Associations warned the tariff would drive up costs for hauliers already facing inflation and weak freight volumes. Jason Miller, a supply-chain management professor quoted by Commercial Carrier Journal, said he was “very confident” the new duty would override USMCA protections.

Fleet operators fear the price of a new heavy truck — already averaging more than $170,000 before taxes — could rise substantially. Including the 12% federal excise tax, the total cost could climb close to $240,000, according to industry estimates.

Dealers have cautioned that higher prices could depress sales and force layoffs in the dealership network.

Trade economists also highlight contradictions in the policy. Previous tariffs on steel and aluminium have already raised input costs for US truck makers, meaning American-built models can sometimes be more expensive than imported ones. Analysts warn that additional duties could dampen demand in the freight sector, undermine a fragile recovery in volumes, and ultimately feed through into higher transport and consumer prices.

Legal challenges are also possible. Trump’s decision to invoke national security grounds under Section 232 has drawn scepticism, with critics questioning whether imports of heavy trucks can plausibly be considered a defence risk.

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