The New Model 579 UltraLoft is the first major redesign for the truck by Peterbilt since the 579’s debut in 2012. Photo: Jack Roberts It felt good to be behind the wheel of a brand-new tractor-trailer ...
Peterbilt's new configurator app allows users to build their own Model 579. Peterbilt customers and enthusiasts can build their own Model 579 – choosing from a range of specs, colors and ...