Used Mack GU713 Granite Quad-axle Dump Truck for sale. Features: Heavy Single Frame, (2) 13,500 lb. Steerable Lift Axles, 20 ft. R/S Godwin Steel Dump Body with 48 in. sides, Hi-Lift Tailgate with Air Cylinders, Electric Flip Tarper System, Aluminum Draft Arms, Body Vibrator, Tilt Steering, Heated Power Mirrors, Air Ride Cab, Single Chrome Exhaust, Diamond Plate Aluminum Toolbox, CB Radio, Air Ride Drivers 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).