SCOTTSDALE, Ariz. – Peterbilt has unveiled a new 80-inch integral sleeper known as the UltraLoft, adding an array of features to the Model 579 that improve comfort for team drivers and enhance aerodynamics in the process. “It has that distinctive […]
Peterbilt 579 at Truck World 2012
New mid-length tractor comes as daycab or with detachable sleepers, including huge 80-in. model
DENTON, TX – Peterbilt’s Model 579 received the SmartWay designation from the U.S. Environmental Protection Agency (EPA), joining Peterbilt’s other SmartWay vehicles, Model 587, 386, and 384.