Hustler Raptor XDX Zero-Turn Mower 54" Kawasaki FR691 23 HP (939835)Hustler Raptor XDX Zero Turn Mower 54" Kawasaki FR691 23 HP (939835) The Raptor XDX is at the top of the residential zero turn category. It has commercial grade features like a 10 gauge fabricated deck, cast steel deck hangers, vented and toolless removable pulley covers, and reaches up to 8mph with Hydro Gear ZT 3100 commercial transmissions. The 5 inch deep deck allows the XDX to mow through thick grass at top speeds. The heavy duty XDX is backed by