For larger excavation jobs, breaking concrete and running air tools.   Specifications Free Air Delivered (CFM) : 185 Continuous Work Pressure (PSI) : 105 Maximum Intermittent Pressure (PSI) : 190 Fuel Type : Diesel Fuel Consumption @ full load (L/H) : 12 approx Fuel tank capacity (litres) : 70- 90 Length (mm) : 3110 Width (mm) : 1700 Height (mm) : 1650 Weight (kg) : 900