The McCormick 4218998M1 is a genuine OEM rear axle designed for McCormick X6, X7, and X8 series agricultural tractors. This critical component ensures robust power transmission and structural integrity for demanding farm operations. Manufactured to McCormick's stringent quality standards, it provides direct fitment and optimal performance for compatible models, including X6.440, X6.460, X6.470, X6.480, X6.490, X6.500, X7.440, X7.460, X7.470, X7.480, X7.490, X7.650, X7.660, X7.670, X7.680, X7.690, X8.660, X8.670, X8.680, and X8.690 models.