Husqvarna RZ3016 30-Inch 16.5 HP Briggs & Stratton Gas Powered Zero Turn Riding Lawn Mower 30-inch stamped 13 gauge cutting deck 16-1/2 hp briggs and stratton endurance engine 1 blade - manual engagement Dual Hydro-Gear EZT Drive System Front tires: 11 by 4 - 5 rear tires: 18 by 6-1/2 - 8 turf