The BGPL1800 Billy Goat Aerator is powered by a Briggs & Stratton engine. This compact 18" aerator is ideal for smaller property aeration or rentals. Features include reciprocating cam tines that propel the unit forward and drive cores upto 2.75" deep. This machine will aerate upto 22,000 sq ft per hour. It is simple to operate for homeowners, easy to steer without lifting and requires no add-on weights. The easy folding handle allows for compact transport and storage. Only four tines and no chains along with a no-tool removable cover make for easy maintenance.