The SchwarzeÂ® A7 Tornadoâ¢ is a heavy-duty,Â chassis mounted, regenerative air street sweeper with an 8.4 cubic yard hopper. The A7 Tornadoâ¢ has over 20 years of successful operation throughout the United States and around the world. From a hydraulic system designed with just-in-time principles to insure clean, fresh fittings to a saw tooth drop-down screen design, the Tornadoâ¢ is designed to work more and be down for maintenance less. The A7 Tornadoâ¢ is a heavy-duty workhorse that will provide a high quality option with a low cost of ownership. Come to the people you know, for the products you trust.