This genuine OEM part 3656757M91 is a high-quality duct designed to ensure proper airflow within various agricultural machinery. It is compatible with a wide range of McCormick tractor models, including the MC, MTX, X60, X7, X8, and ZTX series. Additionally, it fits numerous Massey Ferguson models from the 5400, 6400, 7400, and 8400 series, as well as Landini Legend, Landpower, Powermondial, Rex, and Vision series tractors. The duct measures 200 mm in length with a 50 mm diameter and has a weight of 0.05 kg, providing a precise fit for specified applications.