Feel free to Google us for contact information and for online sales and questions. The Ariens Professional 21 SSR single-stage snow blower features a 21-inch clearing width with a 208cc engine. All-steel housing and an easy load handlebar system provide durability and ease for the professional. Ariens AX 208cc Engine. Easy load handlebar system. All-steel housing and skid shoes. 37 gallon fuel tank.