2016 Peterbilt 389, Cummins, ISX15, 450HP, Eaton Fuller 10 Spd Ultrashift Transmission, Day Cab, Refined Fuel Tank, Beall, Stock # 681713 2016 Peterbilt 389, Cummins, ISX15, 450HP, Eaton Fuller 10 Spd Ultrashift Transmission, Day Cab, Beall, Refined Fuel Tank. TRUCK and TRAILER are a sold as a package not separately. 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.