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 Motors Company has announced the launch of its new on-highway Model 579. According to the company, the thoroughly redesigned model delivers improvements in aerodynamics, efficiency, comfort, ...

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 ...

For four consecutive months, Class 8 truck orders have exceeded 40,000 units per month, and according to preliminary data from FTR Transportation Intelligence, orders for the last 12 months total ...

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 ...

The New Model 579 UltraLoft is the first major redesign for the truck by Peterbilt since the 579’s debut in 2012. It felt good to be behind the wheel of a brand-new tractor-trailer after months of ...