General Motors of Canada will cut about 1,000 jobs at a truck plant in Oshawa, Ontario, in January amid slumping pick-up sales, the Globe and Mail newspaper said in its online edition on Thursday.

The company will cut one shift of production of Chevrolet Silverado and GMC Sierra pick-up trucks in Oshawa, reducing output to two shifts from three for the first time since the early 1990s, the newspaper said. The Oshawa plant employs more than 3,000 workers, the report said.

GM said last week it had cut production at six plants, including one in Oshawa, that make large pick-up trucks and sport utility vehicles as a weak housing market, higher gasoline prices and tough competition have hurt sales.

Sales of the GMC Sierra fell nearly 28 percent in July, while Chevrolet Silverado sales dropped 26 percent.

No one at GM was immediately available for comment.

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