4 gallon low maintenance oil free, direct drive air compressor powered by a 5 HP Honda OHC/OHV premium residential gas engine with overhead Cam/Overhead Valve (OHC/OHV) that provides easy starting, smoother engine performance, lower fuel consumption, and lower emissions, air throttle cylinder, and separate pilot and check valves. Includes a patented pump design with two piece cooling system that increases cooling efficiencies, lowers operating temperatures, and extends the life of the pump. 155 PSI max pressure enables optimum tool performance. ?Pontoon? style tank design with two-2 gallon tanks for job-site portability is equipped with regulator, gauges, quick connect, and cushioned handle grips. Supported by our Toll Free Help Line.