The McCormick 6678629A1 Ring is an original equipment manufacturer (OEM) replacement part designed for various McCormick tractor models, including the MC, MTX, X6, X7, XTX, and ZTX series. This genuine ring ensures proper fit and function, maintaining the integrity and performance of your agricultural machinery. With an outer diameter of 100 mm, an inner diameter of 80 mm, and a thickness of 10 mm, it is engineered to precise specifications.