DENTON, Texas--(BUSINESS WIRE)--Peterbilt has announced enhancements to the Model 579 EPIQ package that deliver an eight percent fuel economy improvement for the 2018 model year. Peterbilt’s Model 579 ...

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 ...

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 ...

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 ...

Check out the new Peterbilt Model 579 UltraLoft spec as Peterbilt Motor Company‘s Scott Newhouse, chief engineer, and Wesley Slavin,on-highway marketing manager, provide exterior and interior ...

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 ...

Peterbilt introduced a mid-length BBC configuration to the Model 579 product line at the Mid-America show today. The new lightweight 117-in. BBC offers excellent maneuverability and visibility, the ...

Peterbilt Model 579 UltraLoft demo truck waits outside the Paccar Engine Plant in Columbus, Miss., prior to a test drive on U.S. Highway 82. Following a tour of Paccar’s highly modern diesel engine ...