The 579 series is Peterbilt’s most technologically advanced and fuel-efficient semi-truck ever. Their words, not ours. It was developed following direct input from drivers, techs and maintenance ...

In a sense, Peterbilt engineers never get to build a true “clean sheet” design when they start work on a new truck. Those engineers might disagree with that statement, but as I gazed at the fully ...

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 ...

A fold-down ladder offers easy access to the Model 579 UltraLoft's upper sleeper bunk. Photo: Peterbilt Peterbilt has introduced its new Model 579 UltraLoft, an integrated high-loft sleeper truck ...

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 ...

The most interesting thing about the electric Model 579 tractor is that fact that it uses a conventional Eaton AMT, instead of a large, single electric drive motor with a continuous torque curve.

[Stay on top of transportation news: Get TTNews in your inbox.] Peterbilt will make powertrains with a TX-12 Pro automated transmission and Paccar MX-13 engine combination an option available to ...

Peterbilt has unveiled a new configurator tool to its website, allowing visitors to build their own Model 579. The tool offers the chance to pick a color, select a sleeper, or go with a day cab and ...

Peterbilt 579 Class 8 truck has been updated and includes a day cab version. The heavy truck pairs either a 2021 Paccar MX-13 or MX-11 engine with a Paccar transmission. A redesigned Peterbilt truck ...

Designed with long-haul efficiency and driver comfort first, the Kenworth T680 and Peterbilt 579 are some of the most popular semi-trucks on the highway, both with legendary reputations. Although ...

Our colleague at sister fleet publication CCJ, Chief Editor Jason Cannon, recently took Peterbilt's retooled Model 579 around North-Central Texas for a test-drive. The black-and-chrome EPIQ was as ...

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 ...