Ariens APEX 52R (Rear Discharge) Zero Turn Ride On Mower ? 991318 Featuring a (52") fabricated rear discharge deck constructed from 10-gauge steel Powerful Kawasaki?? FR691 V-Twin 726cc engine Industry-leading, fully welded tubular steel frame Self-adjusting belt technology High-back plush seat with padded arm rests Foot-operated, spring assisted deck lift with 15 cutting positions ROPS capable design Range of optional accessories is available