The 6528801M1 is a genuine PTO shaft manufactured for McCormick, Landini, and Argo Tractors. This essential power take-off component ensures reliable power transmission in various agricultural tractor models including McCormick X4, X5, X6, X7, X8 series, Landini 4, 5, 6, 7, 8 series, and corresponding Argo Tractors models. Measuring approximately 254 mm in length, 76.2 mm in width, and 76.2 mm in height, and weighing about 0.45 kg, this OEM replacement part is crucial for maintaining optimal performance and compatibility with your machinery.