Peterbilt Motors Co. has unveiled a restyled version of its Model 579 flagship on-highway truck that offers a 7% fuel economy improvement compared with the truck it replaces, which was launched in ...

When Peterbilt debuted its refreshed Model 579 last year it marked a fairly significant revamp – at least for Paccar, which has historically favored small refinements over full-blown reinvention. The ...

Peterbilt's Model 579 has been the company's on-highway flagship since its debut in 2012, but after seven model years even the most cutting edge units lose some of their sharpness. In the automotive ...

DENTON, Texas — Peterbilt is feeling pretty good about its position in the marketplace – especially among large fleets – thanks to the success of its Model 579. And now with the addition of the EPIQ ...

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 ...

David Freymiller, president and CEO of Freymiller Trucking, was the first customer to receive the new Peterbilt 579 UltraLoft tractor. Peterbilt Motors Company delivered the keys to the first ...

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 ...