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Wabash National Corp. said second-quarter earnings jumped 76% as trailer shipments increased from a year ago.

Paccar Inc. reported a record profit in the second quarter as truck sales continued to rise in North America and Europe.

Several of the nation’s largest truckload fleets last week reported higher second-quarter earnings, benefiting from higher prices as industrywide rates stand at record levels.

The global truck divisions of Daimler and Volvo posted improved financial results for the second quarter, driven by North America’s surging truck sales.

Two transport companies and a major truck dealer reported lower second-quarter results.

Volvo Group doubled net income for the second quarter to 5.19 billion Swedish krona ($597 million), led by stronger profits and rising sales in its truck business.

Rising rates and falling fuel prices should drive higher second-quarter earnings in the trucking sector when results begin to roll in this week, analysts said.

Intermodal and freight car manufacturer Greenbrier Cos. raised net income 27% to $42.8 million, or $1.33 per share, in its fiscal third quarter ended May 31 as railcar deliveries increased.