The McCormick 6531421M1 is a high-quality, rigid clutch disc designed for various agricultural tractors, including Massey Ferguson, Landini, and McCormick models. This essential component ensures reliable power transmission with its 310mm outer diameter, 190mm inner diameter, and 10 splines. Engineered for durability and precise fit, it is a direct replacement for OEM part numbers like 3300060M91, ensuring optimal performance in demanding agricultural applications.