... 's leading-edge technology, optimized line design, high accuracy, low internal leakage, high efficiency, low power, low noise and high reliability ... customer demand for different supply pressure;it owns the functions:internal engine temperature, oil pressure, operation speed, air exhaust over temperature ... )Oil ContentPPM 140SCY170.818630004300*2100*2200 ≤6 140SCY Diesel-driven mobile screw compressor