2021 Peterbilt 579, Cummins, X15, 450HP, Fuller 12 Speed Endurant Transmission, Sleeper, , , Stock # 1233977 2021 Cummins powered Peterbilt 579 with a 72 inch high roof sleeper and Bendix Wingman Fusion collision mitigation! Powered by a Cummins X15 at 450 horsepower with an Endurant automated transmission on Peterbilt Low Air Leaf suspension and all wheel disc brakes. Dual high back air ride seats, power windows, locks and heated power mirrors. Fresh PM service, DPF cleaned and DOT inspected. We have many warranty and finance options to fit your business needs. Call Rush Truck Center of Denver today! 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.