The oil pump: 1,Different working pressure need different input power. ... industries.Such as:conveying sewage,waste oil,mud water,mining waste,waste fuel oil,lime white,washing liquid,emulsion and ... range is wide.It combines unloading pump,power pack,hydraulic lines and support as a unit,which facilitates crane ... -1000-6-302600GMTB-1500-6-504600GMTB-2000-6-1005600 Hydraulic Unloading Rotary Oil Pump