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Specialty truck maker Oshkosh Corp. said Monday its fiscal fourth-quarter profit dropped 37% from a year ago, to $53.6 million, or 72 cents per share, from $85.4 million, or $1.14, a year ago.

Canadian transportation firm TransForce Inc. said its third-quarter net income slipped to C$26.5 million, or 31 cents per unit, from C$28.5 million, or 33 cents, a year ago.

A total of 3,640 tractors manufactured by Paccar Inc. are being recalled because parts on the diesel particulate filter, or DPF, can fail, causing the component to separate from the chassis and fall onto the road.

When heavy-duty engines with selective catalytic reduction technology start rolling in 2010, truckers refilling their trucks’ urea tanks will need to follow strict guidelines to protect the product’s purity to avoid damaging the aftertreatment system, urea experts said.

The National Transportation Safety Board has added mandatory use of electronic onboard recorders to its annual list of “most wanted” safety reforms.

U.S. consumer confidence fell this month in the largest decline since data began in 1978, according to the Reuters/University of Michigan’s final monthly consumer sentiment index, released Friday.

Consumer personal spending dropped 0.3% in September, the biggest drop in four years, the Commerce Department said Friday.

Diesel engine maker Cummins Inc. said Friday its third-quarter profit jumped 24% on stronger international sales, but the company lowered its full-year sales outlook.