The McCormick 6520851M1 is a genuine axle shaft designed for various McCormick CX and MC series agricultural tractors. This critical component ensures efficient power transfer to the wheels, maintaining optimal performance and durability in demanding farm operations. It is a direct replacement part for models including CX100, CX105, CX110, CX70, CX75, CX80, CX85, CX90, CX95, MC100, MC105, MC115, MC120, MC135, MC80, MC90, and MC95.