Billy Goat PL1803V Aerator 18" PLUGR Reciprocating Vanguard 169cc EngineBilly Goat PL1803V Aerator 18" PLUGR Reciprocating Vanguard 169cc Engine The 18 PLUGR is ideal for smaller property aeration or rentals. No add on weights are required and reciprocating cam driven tines propel the unit forward and drive cores up to 2. 75 deep even in hard soil conditions, offering higher quality aeration than traditional drums. The unti can do up to 22,000 sq. ft. per hour, is simple to operate for homeowners, easy to steer without