The McCormick 6678398A1 Shaft is a genuine OEM component designed for various McCormick, Landini, Argo Tractors, and Valpadana agricultural machines. This essential shaft ensures proper power transmission and operational integrity within compatible systems. With a length of 254 mm, width of 25.4 mm, height of 25.4 mm, and a weight of 0.36 kg, it meets the precise specifications required for reliable performance in demanding agricultural applications.