rock crusher Miscellaneous Goods Gumtree Australia. Rc250 gold sample rock crusher screen size 1.2mm 1 hp electric motor takes around 50-60mm rocks does around 25-35kg per hour. 2500. Roleystone WA. 09102020. Jaw Crusher. Jaques 24x14 Jaw Crusher with feeder and discharge belt built into a solid frame and skid base.