The Ford assembly plant in Oakville, Ont., in March, 2020.

Retooling work at Ford Motor Co.’s F-N plant in Oakville, Ont., is proceeding despite U.S. President Donald Trump’s announcement he will slap 25-per-cent tariffs on medium- and heavy-duty trucks.

Mr. Trump’s announcement that the import taxes will apply on Nov. 1 was expected and won’t change Ford’s plans to make F-Series Super Duty pickup trucks when the plant west of Toronto reopens next year, said Brian Kingston, president of the Canadian Vehicle Manufacturers’ Association, which represents Ford, General Motors Co. GM-N and Stellantis NV STLA-N in this country.

“Oakville plans have not changed,” said Robyn Jackson, a Ford spokeswoman.

Mr. Trump placed 25-per-cent tariffs on light vehicles from Canada and Mexico in

See Full Page