By Heather Burlingame, Senior Production Editor | September 28, 2010

Volvo 2007-model dieselsVolvo Trucks' 2007-model diesels include three displacements and 22 ratings from 325 to 600 horsepower. Included are a D11 and D13, which will replace the D12 by year's end, and the D16. The D13, at 335 to 485 horsepower and 1,350 to 1,650 lbs.-ft., will be the only engine offered in the vocational VHD series.