The McCormick 3684336M1 Support is a genuine OEM component designed for various McCormick X-series tractors, including X4.20, X4.30, X4.40, X4.50, X4.60, X5.20, X5.30, X5.40, X5.50, X5.55, X5.60, X5.70, X5.85, X5.90, X5.100, X5.110, X5.120, X6.420, X6.430, X6.440, X6.460, X6.470, X6.480, X7.440, X7.450, X7.460, X7.650, X7.660, X7.670, X7.680, X8.660, X8.670, X8.680, X8.690 models. This support also fits a wide range of Landini and Valpadana tractors, ensuring proper fit and function for critical machine assemblies.