When maximum productivity, durability, and cut quality are your priorities, the new Exmark Lazer Z Diesel zero-turn mowers are the right choice. When equipped with the new industry-leading 144-inch UltraCut™ Flex Wing cutting deck, the Lazer Z Diesel can mow 11.5 acres per hour, making it the most productive mower Exmark has built. Powered by a cutting-edge Yanmar diesel engine, large drive tires allow you to reach ground speeds up to 12.5 MPH with the 96" deck. The Lazer Z Diesel is also available with 60 and 72-inch UltraCut™ cutting decks. Delivering a high-quality cut, the flex wings on the 96-inch and 144-inch decks pivot 20-degrees up and 15-degrees down on sloping terrain.