NOTE: THIS USED TO BE CALLED QABB 60 The Brush Buster Brush Mower has been engineered for rugged durability, safety, and ease of operation. The 60" and 72" models are built from 1/4" steel making them some of the strongest brush mowers made. The most versatile mower on the market today. It not only cuts trees, brush, and unwanted weeds and grass, but can also be used as a finishing mower for lawns. It's unique automatic "FLOAT-N-TILT" system allows you to cut evenly on level surfaces, as well as the most rugged terrain.