The McCormick 6511215M91 is a genuine OEM lift arm designed for the rear linkage system of McCormick CX series tractors and various Massey Ferguson models. This critical component ensures proper functionality and strength for attaching implements. Manufactured to original specifications, it guarantees durability and seamless integration with compatible machinery, including McCormick CX50, CX60, CX70, CX75, CX80, CX85, CX90, CX95, CX100, CX105, CX110, CX115, and a wide range of Massey Ferguson 3000, 3100, 3600, 4200, 4300, 5400, 6100, 6200, 6400, 8100, and 8200 series tractors. It replaces Massey Ferguson part number 3613032M91.