MTD 112-900-033 is a walk-behind rotary mower, designed for residential use. It is powered by a gasoline engine and has a 22-inch cutting deck. The mower features a self-propelled mechanism, which makes it easy to maneuver around your lawn. It also has a mulching capability, which allows you to chop up grass clippings and return them to your lawn as a natural fertilizer. Additionally, the mower has a variety of safety features, including a blade brake clutch, which stops the blade from spinning when you release the handle.