This two-stage industrial air compressor is designed for the serious professional. It is powered by a heavyweight 5 HP tops motor featuring a Thermal Overload Protection system that protects it from voltage fluctuations. This heavy-duty machine has a 175 maximum PSI, able to operate a variety of tools and maintain longer run times. A patented pump and piston design provides cooler operation. This air compressor features patented deep-grove directional, asymmetrical cooling fins and a patented cast-iron flywheel design with large extended fins for improved cooling and low-pump RPM.