Cub Cadet SC500Z (21") 159cc Self-Propelled Lawn Mowerbr br Featurebr * br 159cc Cub Cadet 4-Cycle OHV Engine Autochoke SureStart guarantee Mower will start in 1 or 2 pulls for full 3-year warranty period Variable Speed Self-Propelled Drive System Rear wheels propel the mowerbr