Self Propelled Petrol Rotary Lawnmower - 51cm (20")The robust performance of the Webb 51cm Self Propelled Lawnmower can be attributed to its impressive features, particularly the large displacement DVO173 173cc four stroke air cooled engine. This engine incorporates advanced OHV (overhead valve) technology and offers excellent fuel economy; smooth, low noise operation; and a marked cut in emissions. Petrol Self Propelled Petrol Lawnmower for a Medium to Large Garden A wide 51cm cut works with power