The chieftain 1800 dry screen from powerscreen, Louisville, Ky., can process up to 500 tons per hour, depending on mesh size and material type and features a 16- x 5-ft triple deck screen unit mounted on 12 springs. The unit has an aggressive 10-mm throw. The oversize chute is hardox lined. The highly mobile unit typically sets up in 15 minutes. Available on tracked or wheeled chassis.