The XL-Class vibrating screen’s exciter drive technology provides for the linear stroke to be generated by counterweights mounted on two machined shafts and spun in opposite direction via two heavy-duty spur gears mounted in a nodule iron casting. This casting mounts to the exciter bridge, which is the main exciter support and transmits dynamic force through the entire structure. The exciter design increases bearing life up to 50,000 hours, says the company. The XL-Class offers screening surfaces up to 390 square feet and can handle production rates up to 15,000 tons per hour and cut sizes from 1/4 to 5 inches. Units have an18-month warranty from date of shipment.