Used Mack GU713 Granite Quad-axle Dump Truck for sale. Features: Heavy Single Frame, (2) 12,350 lb. Steerable Lift Axles, 20 ft. J&J Aluminum Dump Body with 48 in. Sides, Hi-Lift Tailgate with Air Lift Cylinders, Electric Flip Tarper System, Aluminum Draft Arms, (8) New 11R24.5 Drive Tires, Tilt Steering, Power Windows, Heated Power Mirrors, Air Ride Cab, Stainless Sun Visor, Single Chrome Exhaust, Diamond Plate Aluminum Toolbox, CB Radio, Air Ride Driver's Seat, Single Air Horn, Painted Front Bumper, 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).