This is a genuine DEUTZ-FAHR tensioner pulley, part number 4255490, designed for various DEUTZ-FAHR agricultural tractors. It ensures proper belt tension for optimal engine performance and longevity. Key technical specifications include an outer diameter of 70mm, an inner diameter of 17mm, and a width of 26mm. This OEM part is compatible with a wide range of DEUTZ-FAHR models, including the Agrotron, Agrofarm, Agroplus, and Agrolux series, and is also cross-referenced with SAME, Lamborghini, and Hurlimann part number 04255490.