Billy Goat AET60 Tow Behind Lawn AeratorAt up to four acres an hour, the tow behind AET60 maximizes large property aerations and configures to widths of 36", 48" or 60" with a simple flip up or down of the aerator's wings. This unit weighs 440 lbs without supplemental weights for deep, hard soil aeration. For ultimate maneuverability, the AET60 also features swiveling tine assemblies (when used with 3 point hitch). It mounts to a standard tow bar or category 1, 3 point hitch, runs up to 5