The NorthStar® 20-gallon horizontal gas-powered portable air compressor is built for heavy-duty applications and long life. Belt-driven full cast iron single-stage pump features V-type cylinder design for superior cooling, Low Vibration Technology (LVT) for smooth operation and floating-type Swedish steel valves for long valve life. Crankshaft has bearings on both ends for excellent support. Powered by a Honda GX160 OHV gasoline engine for reliable performance.