Premium aftermarket compactor wheel tip base. Part reference 257-1843. Supports the matching replaceable compactor tip on the wheel. Listed 320 mm size. PETRAX premium aftermarket range for major brands including CAT, Komatsu, Volvo, Hitachi, John Deere, JCB, Case, New Holland, Hyundai, Doosan/Develon, Bobcat, Kubota, Takeuchi and Sany. This item fits only the specified system and matching mounting dimensions.