Atlas Copco model XAHS 237MD, 505 cfm @ 12 bar working pressure compressor powered by the MTU 4R1000 Stage 4 engine. This machine is fitted with an integral aftercooler.
Doosan model 12-154, 526 cfm (14.9 m3/min) @ normal working pressure 12 bar, max allowable working pressure 12.7 bar compressor powered by the Cummins QSB6.7 engine. The machine is fitted with integral aftercooler. Emission Stage iv Tier 4 final.
Doosan model 12-254, 883 cfm (25m3/min) at normal working pressure 12 bar, max working pressure 13.7 bar the machine is powered by the Cummins QSL9 6 cyl engine which meets Stage IV Tier 4 final. This machine is fitted with an integral aftercooler.