Simpli, 2691139, Riding Mowers,Self-Propelled, Lawn Mowers, Zero-Turn Mower 18HP/603cc Kawasaki FR Series V-Twin OHV Engine - Overhead valve design for better fuel economy & less vibration - High performance pressurized lubrication system with oil filter - Rotating grass screen and cast iron cylinder liners - Hydro-Gear EZT Hydrostatic Transmission - Integrated pump and motors for low maintenance mowing - Provides responsive maneuverability and a smoother ride - Anti-scalp wheels follow lawn contours; prevent damage to turf - Electric height-of-cut adjustment - Electric PTOOperator Convenience - Comfortable mid-back seat - Professional-style twin lever controls with padded grips - Easy access control panel - Deck washout port with hose inlet.