The McCormick 3558856M1 is a genuine OEM engine block designed for a wide range of agricultural tractors across AGCO brands including McCormick, Massey Ferguson, Landini, Fendt, Valtra, and Challenger. This critical engine component ensures structural integrity and proper function of the internal combustion engine. Weighing approximately 240 kg, it is built to OEM specifications for reliable performance and durability in demanding farm machinery applications.