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 ...

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 ...

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 ...

Peterbilt Motors Co. designed its new Model 579 Ultraloft integrated sleeper on-highway truck to top the industry in interior space and convenience. When given a choice between a room with a king or ...

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 ...

Peterbilt's has taken the Model 579 to new heights with the UltraLoft, a new 80-inch integral sleeper that improves comfort for team drivers and enhances aerodynamics in the process. HDT's Deborah ...

Peterbilt Motors Co. announced it has begun production of its Model 579 UltraLoft with a high-roof, integral cab-and-sleeper design for its flagship on-highway model. The Model 579 UltraLoft was ...

Peterbilt Motors Company announced last week the introduction of its new Model 579 UltraLoft. The UltraLoft offers drivers an integral cab and sleeper design for Peterbilt's flagship on-highway Model ...

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’s Model 579 was destined to become the company flagship from the moment it was introduced in March 2012. It’s just getting better with age. Jim Park shows why in this walk-around video of ...

Landstar owner-operator Rosemberg Villarreal, of Grand Prairie, Texas, got his birthday wish this month when he was selected by the company as the winner of a new 2019 Peterbilt 579 UltraLoft giveaway ...

Peterbilt Motors introduced enhancements to its Model 579 EPIQ that it says can improve fuel efficiency up to 14 percent. The company also announced new models or expanded versions of existing models, ...