Powerscreen Chieftain 1800 dry screen is designed for concrete/asphalt rubble, crushed stone, coal and sand and gravel applications. It is capable of processing up to 500 tons of material per hour and features a 16-foot by 5-foot triple-deck screen unit mounted on 12 springs. The screen unit has a 10 mm throw. It's available on tracked or wheeled chassis and can be set up in approximately 15 minutes. The triple deck screen unit is huck bolted, not welded and has an oil-filled two-bearing system designed to decrease the need for constant greasing.