10/09/2015 · I need some advice, Mobile Jaw or Impact crusher. We recycle concrete/bricks etc for about 6 years, We ran 380 Jaw crushers and it worked well I sold this unit 12months 'm Looking to start crushing again and a few blokes have been saying mobile impact crushers are the go in stead of the jaw,I would like to buy a machine around 30 ton mark any coments.