MTD 125-290A is a 21-inch self-propelled rotary mower powered by a gasoline engine. It features a durable steel deck and a single-lever height adjustment system that allows you to quickly and easily change the cutting height from 1.5 to 4 inches. The mower also has a large 1.9-bushel grass catcher that collects clippings as you mow, and a convenient washout port that makes it easy to clean the deck after use. With its powerful engine and durable construction, the MTD 125-290A is a great choice for homeowners with medium-sized lawns.