This genuine McCormick 3677966M1 ring is an essential OEM component designed for various McCormick tractor models, including the MC, MTX, X7, and X8 series. Manufactured to precise specifications, it ensures optimal performance and durability. This ring has an inner diameter of 30 mm, an outer diameter of 38 mm, and a thickness of 4 mm, with a weight of 0.05 kg. It is also cross-referenced as Massey Ferguson 3677966M1 and Valtra 3677966M1.