The John Deere MIU800783 is a genuine OEM flat idler pulley designed for various John Deere ZTrak mowers and commercial front mowers. This essential component ensures proper tension and guidance for drive belts, contributing to the smooth and efficient operation of your machinery. Constructed to John Deere's rigorous standards, it offers durability and reliable performance for demanding agricultural and commercial applications. Key specifications include an outer diameter of 139.7 mm, an inner diameter (bore) of 17.02 mm, and a width of 30.1 mm.