Used Mack CXU613 Mid-roof Sleeper for sale. Features: Air Ride Cab, APU, Power Heated Mirrors, Power Windows and Locks, Tilt Steering Column, 2 stainless Hood Spot Mirrors, Air Conditioning,Cruise Control, and more. 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).