Model GD4000PV5H is the right choice when you need a small air compressor, but don't have the luxury of electricity on the job site. The fuel-efficient 118 cc (GX120) Honda engine combined with the high-output direct drive pump produces 4.6 CFM @ 90 PSI. 270 cc (9 HP) Honda 4 Cycle, Complete Die Cast Aluminum Alloy wit Rolair GD4000PV5H - Hand Carry Gas Air Compressor