DESCRIPTION 2017 Peterbilt 579 Day Cab Truck (PD4520), Paccar 435 hp engine, automatic transmission, air ride suspension, tandem axle, Hurd bumper, long wheel base solid bolted frame, all aluminum wheels, AM/FM radio, heat/air, 859,066 miles. Serial Number: 1XPBDP9X3HD412809 Notes: New ECM installed and new brakes.