Product date: Model W-2/5 W-3/5 Exhaust (m³/min) 2.0 cfm 106 Exhaust Pressure(Mpa) 0.5 0.5 Cylinder(dia.(mm) * quantity) 115×3 120*3 diesel engine/motor S1100 diesel S1115(22HP) diesel Volume of gas storage tank(L) 140 200 Dimension(mm) 1650×810×1050 1710×860×1245 Total weight(kg) 450 590