4' rotary tiller sc category i compatible hookup and category o spacing for not to exceed 25 hp rated tractors grease bath lubrication self-sharpening heat-treated cutting tines adjustable runners for working depths from 1" to 4" heavy-duty pto shaft and slip clutch with chain-driven driveline rtsc4 description 4' rotary tiller sc item # rtsc4 unit height approx weight width length quick-hitch coated tough compatible tartar 4' box blade sc heavy-duty steel rear-mount box blades help retain product being worked equipped with a fixed front and rear replaceable steel cutting edges not to exceed 25 hp rated tractors adjustable ripper shanks category i compatible hookup and category o spacing for bbsc4 quick-hitch powder coated tough оні compatible replacement blade item # description 4' box blade sc item # bbsc4 unit height width length rb4 tarterusa.com