The McCormick 6678027A1 is a genuine OEM V-belt designed for McCormick X4, X5, X6, X7, and X8 series tractors. This high-quality belt ensures reliable power transmission and durability in demanding agricultural applications. With a length of 1200 mm, width of 17 mm, and height of 11 mm, it meets precise specifications for optimal performance and fit. It is also cross-referenced with Landini, Massey Ferguson, Valtra, and Fendt OEM part numbers.