McCloskey Wheeled Stackers McCloskey’s stacking conveyors provide stockpiling solutions that maximise the efficiency of mobile screening and crushing plants. Tracked or wheeled, McCloskey conveyors delivery high stockpile capacity and less downtime across every application McCloskey ST80 ST100 Stackers McCloskey WS3250 Stacker McCloskey WS4065 Stacker McCloskey WS4080 Stacker