2024 Peterbilt 579 Ultraloft Towing Capacity. Peterbilt model 579 is the most advanced peterbilt truck ever, with an unmatched combination of power and efficiency, advanced technologies and luxurious driver comfort. 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.
Get dimensions, size, weight, detailed specifications and compare to similar truck tractor models. The new model 579 ultraloft is the first major redesign for the truck by peterbilt since its debut in 2012.
