Greenworks 30″ Self-Propelled LawnmowerDescription 82V 30" Self propelled Lawnmower (Tool only) Constant power and torque is directed to the hub motors providing faster cutting speeds and more torque than petrol units. It is also the first push lawnmower to have a revers function to easily power out of tight areas. Petrol units lack the technology to adapt to grass conditions on the fly and are limited to only 3,600 rpm on average, leading to uncut grass, clumping and inefficient bag