Premium aftermarket short centerline ripper tip for the R550 series. Part reference 9W4551. Replaceable point for the matching ripper shank, used to break and loosen compacted ground before excavation. Listed application: D11. 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.