Designed from the ground up as a zero-turn mower engine, the Exmark 708cc V-twin engine introduces a number of new performance and serviceability enhancements to the marketplace. The innovations bolster the professional-grade performance and durability of Exmark’s small and mid-sized zero-turn riding mowers. Learn more: http://www.exmark.com/Exmark-Advantage/Recent-Innovations/Exmark-Engines