The TimeCutter® SS4260 features a 21.5 hp 726cc Kawasaki V-Twin engine and a 42? mowing deck. The SS4260 also features Smart Speed® control system -- giving you greater control of speed and maneuverability. Shift to Mow & Tow for a higher speed range to cut large, open areas quickly or to drive from one end of your yard to the other. Shift to Trim & Tow for a slower speed range with more precise control for trimming around delicate areas or for properly pulling attachments.