This 5 HP, 80 gallon vertical two-stage compressor is ideal for auto repair facilities and tire repair outlets. It includes a long-life cast iron two-stage pump, designed with over 17,000 hours of rated life. (based on B-10 bearing rating) The head and valve plate feature an advanced design with Viton(r) high temperature o-rings for leak-proof sealing. Viton o-rings provide superior high pressure sealing compared to paper-type gaskets. Also, the crankshaft is fabricated of ductile iron and optimally balanced for smooth, low vibration operation.