Free Air Delivery: 400 cfm Rated Working Pressure: 150 psi Pressure Range: 80 to 175 psi Engine: Cummins QSF38 4-cylinder diesel Engine Power: 130 hp Emissions Rating: EPA Tier 4 Final compliant requiring diesel exhaust fluid Compressor Type: Rotary screw design Fuel Tank Capacity: 65 gallons Service Valves: Two 3/4-inch valves Chassis Layout: DPQ highway towable package with heavy duty running gear