Used Peterbilt 579 Sleeper for sale. Features: Air Ride Cab, Carrier APU, Stainless Quarter Fenders, Stainless Mudflap Brackets, Aluminum Storage Box, 2 Hood Spot Mirrors, Painted Sun Visor with Lights, Power Heated Mirrors, Power Locks and Windows, Tilt Steering Column, 2-bed Sleeper, Leather Air Ride Seats, Refrigerator, Disc Brakes, Air Conditioning, Cruise Control, and remaining 5-year/500k mile Engine and Aftertreatment 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).