Gas Walk-Behind Lawn Mowers HUSQVARNA W520 Kawasaki Motor/engine manufacturer Self-propelled, variable speed Drive system 20 in Cutting width Aluminium chassis with side bumper Aluminium rims and rubber tyres Kawasaki FJ180 engine View all features Features Aluminium chassis with side bumper Cast aluminium chassis with side protection bumper for longer service life. View more Aluminium rims and rubber tyres Aluminium rims and rubber tyres View more Kawasaki FJ180 engine The commercial-grade FJ180 KAI engine delivers reliable power. View more Aluminium case transmission Aluminium case transmission View more BBC Control Blade Brake Control stops the blade from turning and leaves the engine running. View more AutoWalk Self-Propelled Drive System Variable speed for easy speed adjustment View more Ergonomic handle bar Ergonomic handle bar View more Easy adjustable handle bar Easy adjustable handle bar View more Easy foldble handle bar Easily fold the handle to minimize space required for