I SAW IT IN CONSTRUCTION MAG i want to play with it i have been waiting on this for a while to come out. thought i would share. Walk Behind Aera-Vator The Walk Behind AERA-vator, from First Products, is available in 30 and 40-inch widths. It has a ride-on platform; transport wheels for loading and unloading; a 3-foot turning radius; and a 21 hp, Vanguard engine that allows for speeds up to 5 mph. An optional seedbox can be used in both forward and reverse.