2020 Peterbilt 579, Cummins, X15, 500HP, Eaton Fuller 13 Speed UltraShift Plus Transmission, Sleeper, , , Stock # 1058345 2020 Peterbilt 579. Cummins X15 500HP, 479,546 miles. Eaton 13 speed ultrashift plus transmission. 73' HR sleeper. Unit has been serviced, DOT inspected, and DPF has been cleaned. Call us today and speak with one of our sales team members. 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.