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 ...

Following a tour of Paccar’s highly modern diesel engine manufacturing plant outside of Columbus, Miss., I was given a chance to take the latest version of Peterbilt’s flagship highway hauler, the ...

Stan Courter drives this 2016 Peterbilt 579 with a Cummins ISX15, Eaton 10-speed and 3:08 40,000-pound Rockwell rears. It also has an 80-inch bunk sleeper. The only customization to the truck is a U.S ...

This 2018 Peterbilt 579 is owned by Brian Sheehan, owner of Sheehan Specialized Transport out of New Haven, Indiana. He bought the rig, which features an 80-inch sleeper, at JX Peterbilt in Fort Wayne ...

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 ...

LOUISVILLE, KY.--(BUSINESS WIRE)--Peterbilt Motors Company is pleased to announce the availability of the all-new 80” sleeper for the standard-setting Model 579. The new 80” sleeper represents the ...

Peterbilt turned 75 years old back in January. And the truck manufacturer is celebrating its Diamond Anniversary with a special edition Model 579 tractor that will be the star of a nationwide tour ...

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 ...

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 ...