This Puma Industries, Air Compressor, model PD1006, Professional D.C. Direct Drive Oil-Less Series, and specifications are:.75 HP Running, 135 Max PSI, 12 Voltage/Phase, 1.5 Gallons, 31 lbs. Its features include: Oil-less design allows units to be mounted in any orientation, Patented pump design for the provision of lowered noise and improved cooling, Deep cooling fin design on cylinder head and cylinders for high efficient cooling, Oversized motor cooling fan prevents motor from overheating, continuous duty cycle, and ideal for off-road vehicles, RV, agriculture, construction, motorsports, and applications where on-board air is needed.