The 3660926M91 is a genuine OEM strap designed for McCormick X4, X5, X6, X7, and X8 series tractors. This versatile strap is also compatible with a wide range of Landini and Massey Ferguson tractors, including models from the 4, 5, 6, 7, 8 series (Landini) and 5400, 6400, 7400, 7600, 8600 series (Massey Ferguson). Manufactured to original equipment specifications, it ensures reliable performance and a precise fit for various agricultural applications.