The McCormick 6501198M1 is a genuine hydraulic pump designed for various agricultural applications, primarily in McCormick, Massey Ferguson, and Landini tractors. This essential component ensures efficient hydraulic system operation, providing reliable power for implements and steering. It is superseded by Massey Ferguson part number 3539867M91, indicating direct interchangeability and updated specifications. Confirmed fitment across a wide range of models ensures broad compatibility and performance.