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 made a mistake with the new Model 579. As Jake White, Peterbilt product marketing manager, explained to me during our pre-release drive through the rolling prairie of North Texas in late ...

The Model 579 UltraLoft starts in the cab, where there's plenty of room to move from the driver's seat into the sleeper, as well as additional storage above the doors. Photo: Peterbilt To make getting ...

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 ...

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 ...

DENTON, Texas — In the 75 years that Peterbilt has been building trucks, fuel economy has never been more important than it is today. So this is a big year for the truck maker, not only because it’s ...

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 ...