2020 Peterbilt 579, Cummins, X15, 450HP, Eaton Fuller 12 Speed Endurant Transmission, Sleeper, , , Stock # 1034229 This 2020 Peterbilt 579 Sleeper just came in. This truck has a 450hp Cummins X15 Engine, 495449 Miles, 12 Speed Endurant Transmission, 2.64 Ratio, 232in Wheelbase, Flex Air Suspension. Call or come by Rush Truck Center Houston and let one of our sales professionals tell you about this or any of our trucks in inventory as well as the great financing options currently available. Delivery available. Se habla Español. Price does not include state and local taxes; tags; registration or title fees; dealer-imposed fees, including document preparation, processing or servicing fees, or any optional equipment or upfitting work selected by buyer. Valid while supplies last. Images shown may not reflect actual vehicle.