he 20-hp (14.9-kW) V-twin engine used in the Select Series™ X330 Tractor provides plenty of power and torque to handle tough mulching, mowing, and bagging conditions: <ul role="presentation"> <li role="presentation">V-twin cylinder design for greater torque, lower vibration, and improved sound quality</li> </ul> <ul role="presentation"> <li role="presentation">Large, 44.2-cu in. (724-cc) displacement</li> </ul> <ul role="presentation"> <li role="presentation">More torque to get the job done faster</li> </ul> <ul role="presentation"> <li role="presentation">Large displacement and camshaft and carburetor designs create the optimum torque rise for rapid response to varying load conditions</li> </ul> <ul role="presentation"> <li role="presentation">Electronic ignition for fast starts</li> </ul> <ul role="presentation"> <li role="presentation">Cast-iron sleeves for longer engine life</li> </ul> <ul role="presentation"> <li role="presentation">Overhead valves for excellent power and fuel economy</li> </ul>