Tewatt compressor :volvo or cummins engine, usa screw air-end Compressor stage:one Free air delivery(cfm/m3/min):493/14 Working pressure(psig/bar):203/14 Screw oil volume(l):50 Diesel engine model:cummins qsb5.9-c210-30 Rated power(hp/kw):210/154 Rated speed/idle speed:2200/1300 Cylinders:6 Bore(mm):102 Stroke(mm):120 Compression ratio:17.3:1 Displacement(l):5.9 Emission class:eu iii/tier 3 Battery voltage(v):24 Fuel tank capacity(l):120 Connector size*qty:g3/4"x1, g2"x1 Wheel size*qty:7.50-16x2 Weight(kgs):2500 Dimension(mm):4250x2100x2150 Noise(db(a)):76±3 Working temp.():-20 ~50