The McCormick 6657066A1 is a genuine OEM axle shaft designed for a wide range of McCormick X-series tractors, including X4, X5, X6, X7, and X8 models. This durable axle shaft ensures reliable power transmission and structural integrity for agricultural machinery. It is also compatible with various Landini and Argo Tractors models, providing broad fitment across several tractor lines. With a length of 850 mm and a weight of 11.5 kg, this component is engineered to meet original equipment specifications for optimal performance and longevity.