Stability. Agility. Profitability. With a compact size, extra ground clearance and large drive tires, the ZS4000 zero-turn stand-on mower gets over and around obstacles and on to the next job. Equipped with commercial-grade features including the bullnose AirFX™ cutting system, a low center of gravity for traversing hills with ease, and tool-free controls for quick fixes, this mower has all the features that allow you to stand up to downtime and keep you mowing forward.