Hustler Raptor XD Zero-Turn Mower 42" Kawasaki FR651 21.5 HP (939819)Hustler Raptor XD Zero Turn Mower 42" Kawasaki FR651 21. 5 HP (939819) The Raptor XD is the ideal zero turn for homeowners with one to three acres of property. The up to 24hp Kawasaki horsepower and 60 inch deck option makes the XD a premium lawn mower in the residential zero turn category. Like all Raptors, weve spent decades and thousands of hours perfecting our durable fabricated decks that provide a professional grade cut quality. Raptor XDs are