Replacement OEM 320mm 4 Belt Drive Pully for Tonutti DMP 165 - 210 - 245 - 285 Series Disc Mowers This pulley measures 320mm or 12.598" and is a 4 v-belt pulley. Please see position 11 in the exploded view. We sell many replacement parts for the most manufacturers of disc mowers, tillers, finish mowers, spreaders, 3-point hitch hay tedders and sickle bar mowers. If you don't see the parts you need listed please contact us we would love to earn your business. We are listing new items frequently so please check our store often. Part Number: C30C0051 We stock a wide variety of replacement parts for Agricultural Equipment please call us if you have any questions or if you would like more information.