Used Mack RD690 Roll Off for sale. Features: Double Frame, Air Ride Cab, Locking Front Power Divider, 20,000 lb. Non-steerable Hendrickson Lift Axle, 60,000 lb. Galbreath Roll Off Hoist, Full Plastic Fenders, Single Exhaust Stack, Stainless Heated Mirrors, Painted Sun Visor, Painted Air Cleaner, 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).