The direct drive electric motor of the Hitachi 4-Gal 2 HP Compressor provides durability and long life. This Hitachi Compressor has a line regulator with a gauge that allows for immediate use at your work site. The O-ring on the drain-cock makes the valve easy to open and close. The Hitachi compressor features an all-metal inner construction and fan to withstand rugged use. Other features of this Hitachi 4-Gal 2 HP Compressor include vertically stacked twin tanks with 2-gallon capacity each for running multiple nailers, all-metal inner construction and a fan to withstand rugged use. An oil lubricated pump improves efficiency of this Hitachi air compressor and ensures smooth use. This Hitachi compressor delivers 14.5 amps, 3,450 rpm, 14 seconds recovery time, 3.6 CFM at 40 PSI and 4.4 CFM at 90 PSI air delivery.