Cobra garden have designed a range of pro garden machinery for the serious domestic, commercial or professional gardener.designed and built for the british market the cobra professional range of mowers include both four wheel and full width rear roller models with either honda or kawasaki petrol engines.the cobra pro range have many features not included in the basic range of mowers.the cobra rm53sph is a self propelled rotary bladed 21 cut rear roller mower powered by a honda gxv160 engine and featuring a blade brake clutch.honda have industry leading engine technology which are easy starting with reduced fuel consumption. Specialist features on the cobra rm53sph include the fan assisted collection system, split differential and shaft drive.shaft driven mowers do not use belts or chains and can be used for longer periods in more intense conditions. The split differential prevents the mower slipping on damp ground and scalping the lawn whilst turning the machine. A blade brake clutch or bbc allows you to stop the blades turning but keep the engine running. Normally you have to stop the mower to empty the grass box or to stop to remove obstacles etc from the lawn.selection can be made from 7 cutting height adjustments on the cobra rm53sph from 13 59mm with the easy to use height levers. Select the highest setting for the 1st seasons cut or for mowing longer grass then gradually ease down through the adjustments for the lowest, final cut.specificationstype rear rollermodel rm53sphengine honda gxv160capacity 163ccfuel unleaded petroloil 4 stroke oilcutting width 53cm 21 inchcutting heights 7 from 13 59mmrear roller yessplit differentialblade brake clutchshaft drivedeck material aluminiumfan assisted collection75 litre fabric grass collectorweight 56kgwarranty manufacturer's 2 year domestic, 1 year commercial