The McCormick 6612550A1 is a genuine OEM engine block, also known as a cylinder block, designed for a wide range of McCormick agricultural tractors. This essential component ensures the structural integrity and proper functioning of the engine. It is compatible with McCormick CX, MC, MTX, and X series tractors. Furthermore, this part is cross-referenced with equivalent OEM part number 87304190, making it suitable for various Case IH MXM and MXU series, as well as New Holland T, TL, and TS series tractors, providing broad application coverage and reliable engine performance.