20" Fluted coulter to fit Unverferth Rawson

4 - M12 threaded holes in center. Interchanges with ##A248409##. Avoid load peaks and vibrations in the powertrain with this Torsional Damper from LuK. It ensures your driving comfort by reducing engine vibrations. Torsinal vibrations will cause premature wear in a crankshaft. Unless rebuilt or replaced this can cause the crankshaft to develop cracks, resulting in crankshaft failure. Schaeffler LuK Clutch makes original equipment quality replacement clutch components for a wide variety of vehicles & agricultural machines.