Exmark Vertex X-Series with 35 HP* Kawasaki FX1000V Engine and 60" UltraCut Series 6 DeckDescription: Designed to raise the bar for stand on mower performance and productivity, Vertex X Series uses the same formed and welded tubular steel frame and heavy duty 15 inch casters as our premier Lazer Z zero turn riding mowers. With carbureted Kawasaki FX1000 engines, you'll have the power to finish jobs faster, with a better quality of cut thanks to our unmatched UltraCut cutting decks. One look and it's easy to see why the Vertex X Series is