The McCormick 6679822A1 is a genuine hydraulic pump designed for optimal performance in McCormick X4 and X5 series tractors. This essential component ensures efficient hydraulic system operation, providing reliable power for various agricultural tasks. It is also compatible with a range of Landini and Argo Tractors models, including the 4-series and 5-series. Weighing approximately 8.16 kg, this robust pump is a direct replacement for OEM part 3711800M91.