Here is a great Ryobi Pro For more 4 Cycle 18 inch brush cutter. This is a 4 cycle model number 9 9 0 R this runs great but will need some carb adjusting we do not have the tools to adjust the carb on this particular model but that is simple to fix. This is also a commercial unit, We put brand new fuel lines fuel filter and primer bulb on this particular unit it works great petting head you can fit it with cutting blades to cut brush and anything that you may need to cut out there heavy it is a real B trimmer Plus so it does have the detachable part so you can place different heads on it like the edger the hedge trimmer and the large brush trimmer. If you have any questions please feel free to ask as we are here to help you with your needs. Thank you for visiting our online store and have a great day valued customers.