Used Freightliner 122SD Tri Axle Dump Truck for sale. Features: Double Frame, Full Locking Rears, Air Ride Cab, 20 ft. x 72 in. Heritage Aluminum Dump Body, 18,740 lb. Hendrickson Steerable Lift Axle, Auto Tarper, Single Exhaust Stack, Stainless Sun Visor, Power Windows, Power Mirrors, Tilt Steering Column, Air Conditioning, Cruise Control, 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).