The McCormick 6620161A1 SYSTEM is an authentic OEM replacement part specifically engineered for various McCormick agricultural tractor models. This original system is compatible with the X4, X5, X6, X7, and X8 series, including models such as X4.30, X4.40, X4.50, X4.60, X4.70, X5.20, X5.30, X5.40, X5.50, X6.420, X6.430, X6.440, X7.440, X7.450, X7.460, X7.650, X7.660, X7.670, X8.660, X8.670, and X8.680. It guarantees precise fitment and reliable operation, maintaining the integrity and performance of your machinery.