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Components maker ArvinMeritor Inc. said its fiscal first-quarter earnings fell to $7 million or 10 cents a share, from $34 million or 49 cents a year earlier, as it said it faced challenges from the automotive, light-duty and heavy-duty truck segments.

Canadian freight railroad Canadian Pacific’s fourth-quarter net income was C$145.6 million or 92 cents a share, up from $137.1 million or 86 cents a year earlier.

Truck manufacturer Freightliner LLC plans to lay off about 800 of its 1,700 workers in Portland, Ore., and stop making Freightliner trucks in that city, the Associated Press reported.

Diesel engine maker Cummins Inc. Monday reported record sales and earnings for the fourth quarter and full-year 2006, with sales topping $3 billion in the quarter for the first time.

Tank truck carrier Quality Distribution lowered its earnings guidance for the fourth quarter and full-year 2006, due to lower seasonal demand.

The president of trucking software provider TMW Systems said he does not expect a slowdown in sales this year, even as some trucking companies face a downturn in demand for freight-hauling services.

Food-services provider Sysco Corp. said Monday its fiscal second-quarter net income rose 16% to $236.7 million or 38 cents a share, from $204.2 million or 33 cents a year earlier.

The maintenance managers of two vehicle leasing companies expect few problems in their shops as the truck-operating industry shifts to the next generation of lower-emission diesel engines.

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Truckload carrier J.B. Hunt Transport Services said Monday it earned $57.8 million or 39 cents a share in the fourth quarter, a decline from $65.3 million or 41 cents a year ago.