This genuine McCormick 3307909M1 gear, also known as a pinion, is designed for a wide range of agricultural tractors, including Massey Ferguson, Landini, and McCormick models. Featuring 20 teeth, an outer diameter of 105mm, an inner diameter of 45mm, and a width of 30mm, this robust gear ensures reliable power transmission and durability in demanding farm operations. Weighing 0.77kg, it is a direct replacement part for maintaining optimal machinery performance.