Toro 21 in (53 cm) heavy duty commercial walk behind lawn mower with dual action single lever control system, blade brake clutch, 3 speed transmission, self propel rear wheel drive, commercial grade Kawasaki BBC ZS FJ180V engine. For the best productivity, we’ve included a 1 gallon fuel tank, Recycler cutting deck and the large, easy-empty bagging system. The deck is made of corrosion-resistant aluminum alloy, cables are protected with steel cable guards mounted to the handle bar. And a tubular engine guard is attached to the front of the deck for tackling the toughest conditions. It’s everything you want in a heavy-duty walk behind. Toro 21 in (53 cm) heavy duty commercial walk behind lawn mower with dual action single lever control system, blade brake clutch, 3 speed transmission, self propel rear wheel drive, commercial grade Kawasaki BBC ZS FJ180V engine.