Sandvik showcases QI440 track-mounted impact crusher at ConExpo-Con/Agg 2011
Sandvik displayed its QI440 track-mounted impact crusher, which features a fuel-efficient, 330kW, Tier 3-compliant, C-13 diesel engine and a Sandvik CI322 impactor. Fed via a two-deck, pre-screen, the crusher is a four-hammer, open-style rotor that discharges onto a secondary pan feeder. The unit has an operating weight of 54.9 tons and is 50.9 feet in length when in transport configuration. Additional features include a variable-speed primary pan feeder for controlled and continuous feed, an independent grizzly and underpan feeder for reduced blockages, and an optional recirculation conveyor.