The Maxair Premium Industrial 5.5 HP Gas (Honda) Electric Start, 10-Gal. Wheelbarrow Style has a High flow cast iron "V" style pump that generated 12.5 CFM at 100 PSI and max 170 PSI. This compressor is equipped with a Honda GX190, high efficiency reed valves for longer life, all metal belt guard for maximum cooling, liquid filled non vibrating pressure gauge for easy read, auto drop premium air filters. High Flow "V" style Cast Iron Pump for Market Leading CFM Out-put, high efficiency reed valves for longer life.