The 6637661A1 is a genuine OEM bushing manufactured by McCormick, designed for use in various McCormick X6 and X7 series tractors. This essential component ensures proper articulation and reduces friction within mechanical assemblies. It is also compatible with a range of Landini and Argo Tractors models, providing reliable performance and a precise fit. Weighing approximately 0.05 kg, this robust bushing measures 30 mm in length, 30 mm in width, and 30 mm in height.