This genuine McCormick 6670356A1 lift arm, manufactured by Argo Tractors, is designed for the three-point hitch system on McCormick X4 and X5 series tractors, including models X4.30, X4.40, X4.50, X5.35, X5.45, X5.55, X5.085, X5.095, X5.105, and X5.115. It also provides fitment for various Landini 4- and 5-series tractors, ensuring reliable and robust lifting performance. With a length of 840 mm and a weight of 11.5 kg, this OEM component guarantees precise fit and durability.