2025 Peterbilt 579 Ultraloft Specs. The new model 579 ultraloft is the first major redesign for the truck by peterbilt since its debut in 2012. Get dimensions, size, weight, detailed specifications and compare to similar truck tractor models.
Browse our extensive inventory of new and used 2025 peterbilt 579 trucks from local peterbilt dealers and private sellers. Jack roberts) the latest version of the model 579, however, is.