The Extec X5000 is a monster piece of machinery. It is fed with lumps of rock and concrete after the excavators and scissor crushers have done their job. The Extec 5000, has a system that allows several grades of rubble to be fed to the screener.
These reange from large, coarse lumps of rock and concrete to small pebble sized pieces for use as light hardcore and scalpings for roads etc.