Used Peterbilt 579 High-top Sleeper for sale. Features: Air Ride Cab, Carrier APU, Aluminum Storage Box, Stainless Quarter Fenders, Stainless Mudflap Brackets, Hood Spot Mirrors, Power Heated Mirrors, Power Locks and Windows, Tilt Steering Column, Leather Air Ride Seats, 2-bed Bunk, Refrigerator, Painted Sun Visor with Lights, Collision Mitigation System, and more. Coopersburg & Liberty Kenworth has new trucks, used trucks, trailers, and parts for sale. Locations: Coopersburg, PA (near Allentown), Swedesboro, NJ (near Philadelphia), and TRP 068 (Pottstown, PA).