Kohler PA-ZT730-3036 Engine x Crank Vertical Shaft Start 23 HPKohler PA ZT730 3036 Engine x Crank Vertical Shaft Start 23 HP Designed to get the job done reliably, Confidant engines are battle tested to meet KOHLER Command PRO durability tests. They feature a 3 year, unlimited hour, limited warranty. Features: Cast iron cylinder bores protect under dirty conditions High impact nylon shroud and valve cover protect against damage to internal components Chopper grass screen guard prevents grass and debris packing