The McCormick 3673008M1 Extension is a genuine OEM part designed for various McCormick X-series tractors. This essential component ensures proper fit and function, maintaining the original equipment specifications for reliable performance across a wide range of models. It is compatible with McCormick X4.20, X4.30, X4.40, X4.50, X4.60, X5.35, X5.45, X5.55, X5.085, 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, and X8.680 tractors.