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 ...

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 ...

Peterbilt has delivered the keys to the first owner of a new Model 579 UltraLoft after announcing the model earlier this year. Purchased for Oklahoma City-based Freymiller Trucking, the UltraLoft ...

Peterbilt Motors Company introduced the UltraLoft, a new 80-inch sleeper configuration for its Model 579 tractor that brings an integral cab design to the product range to enhance ergonomics and ...

SCOTTSDALE, AZ. Peterbilt Motors Co. today introduced the Model 579 UltraLoft 80-in. integrated sleeper variant of its flagship on-highway truck, looking to offer an unmatched level of comfort and ...

Peterbilt Motors Company on Monday delivered the keys to the first production model of its Model 579 UltraLoft to David Freymiller, president and CEO of Oklahoma City-based Freymiller Trucking.

As far as modern-day, aero-focused semi-truck designs go, the Peterbilt 579 stands out as one of the best-looking ones. I much prefer the look of a traditional semi, like the 389, but if I had to ...

Peterbilt Motors Company introduced Thursday the UltraLoft, a new 80-inch sleeper configuration for its Model 579 tractor that brings an integral cab design to the product range to enhance ergonomics ...