Aftermarket replacement Bobcat Power "Bob-Tach" Cylinder used on skid steer & track loaders. 1.5 bore x 6.22 stroke and 1.0 diameter rod. Fits Bobcat models S450, S510, S530, S550, S570, S590, S595, S630, S650, S740, S750, S770, S850, T450, T550, T590, T595, T630, T650, T740, T750, T770 & T870. Previous part number was 7307224. This part is the direct replacement.