Peterbilt 579 Model 2024. Peterbilt model 579 is the most advanced peterbilt truck ever, with an unmatched combination of power and efficiency, advanced technologies and luxurious driver comfort. View allstate peterbilt group's 2024 peterbilt 579 80 double bunk ultralofts for sale at allstate peterbilt group.

Specs include 18 air slide fifth wheel, 13k front axle, 38k rear axle with 2.79 ratio, peterbilt flex air suspension, air disc brakes all. The new model 579 ultraloft is the first major redesign for the truck by peterbilt since the 579’s debut in 2012.