Billy Goat AE1300HS Hydro AeratorBilly Goats machine combines true 30" wide aeration and speed up to 4. 3 mph to complete 1 4 acre in as little as 15 minutes! That's 59% faster than a 26" drum! Plus no more lifting on turns; aerate in reverse; do trim and edges with ease; and significantly improve hole quantity and quality vs. drum aerators. Billy Goats AE1300H features Patent Pending variable aeration density (VAD) and creates 2 10 times more holes than drum models in one pass (8 48