The McCormick 6621662A1 plate 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, X6.420, X6.430, X6.440, X7.440, X7.450, X7.460, X7.650, X7.660, X7.670, X7.680, X8.660, X8.670, and X8.680 models. This essential plate measures approximately 95 mm in length, 51 mm in width, and 1 mm in height, with a weight of about 0.12 kg, ensuring a precise fit and reliable performance in demanding agricultural applications.