Bolens 190-746-000 is a 28-inch tiller attachment for tractors. It is designed to help you prepare your soil for planting by breaking up clumps of dirt and weeds, and aerating the soil. The tiller has six rotating tines that are powered by the tractor's engine. The tines can be adjusted to different depths to till the soil to the desired level. The tiller also has a transport position, which allows you to easily move it around your yard or garden.