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.The M4304870 13-3/4" LuK Torsional Damper, w/ 1-11/16", 26 Spline Hub - New fits equipment brands such as: AGCO, Challenger, Massey Ferguson