Used Peterbilt 579 Mid-roof Sleeper for sale. Features: Air Ride Cab, Espar Heater, Stainless Sun Visor with Lights, Plastic Full Fenders Aluminum 5th Wheel Head, Disc Brakes, Power Heated Mirrors, Power Locks and Windows, Tri-Pac APU, Tilt Steering Column, CB Radio, Air Conditioning, Cruise Control, Collision Mitigation System, and more. Plus, remainder of Engine/Aftertreatment Warranty and remainder of Chassis Warranty. Hundreds of new and used trucks, trailers, and parts for sale at Coopersburg & Liberty Kenworth. Three convenient locations: Coopersburg, PA (near Allentown), Swedesboro, NJ (near Philadelphia), and TRP Parts (Pottstown, PA).