... . High effective. German technology. Optimized cavity. Industrial Machine,Sand Making Machine,CrusherVSI5X Crusher, Aggregate Crusher Features:1, deep cavity-type ... increase more than 48%.3, modular-design hammer, just to replace worn parts when wear out, it can ... SystemDouble pump motor power2X0.31kWSafetyAltemative double pump oil supply;machine stops automatically without oil flow or oil pressure. ...