The Radius rear discharge mower comes with a 4 series UltraCut rear discharge deck. A 60” cut-width means you can cut more, quickly, while keeping clippings under control. Powered by Kohler ZT engines, with Hydro-Gear integrated transmissions and up to 9 mph fwd. ground speed. Radius S-Series improves productivity, but a operator seat with adjustable isolation technology and elastometric vibration control (EVC) means maximum comfort.