the high performance powerscreen 1150 maxtrak is a medium sized cone crusher which has been designed for direct feed applications without pre-screening on clean rock. at its heart is the automax cone crusher which provides excellent reduction and product cubicity for the production of high quality aggregate and sub-base material.,portable rock crusher rock crusher manufacturer,portable rock crusher is designed to mainly crush coarse minerals like gold and copper ore, metals like steel and iron, glass, coal, asphalt, gravel, concrete to name but a few. coal. it is capable of crushing coal to 0-20mm, 20-40mm, 40-100mm. concrete. this kind of mobile asphalt crusher is able to break concrete to 0-20mm, 20-40mm, 40-100mm.