Used Peterbilt 579 Sleeper for sale. Features: Air Ride Cab, Disc Brakes, Espar Heater, Hood-mounted Spot Mirrors, Power Locks and Windows, Tilt Steering Column, Power Heated Mirrors, Smart Steering Wheel, Cloth Air Ride Seats, 2-bed Sleeper Cab, Refrigerator, Air Conditioning, Cruise Control, and remainder of 5-year/500k Mile Engine/Aftertreatment Warranty, Remainder of 3-year/400k mile Chassis Warranty, 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).