... 290psi.Portable Diesel powered screw air compressors are widely used in highways, railways, mines, water conservancy, and shipbuilding, urban ... day.Technical SpecificationsAir end: the patented design of rotor profile with large-diameter, air end and diesel is ... as Cummins, Yuchai diesel engine, in line with the country Ⅱ emission requirements, the powerful, low fuel consumption. The air control system ...