Product Features: Cast Iron 4 Cylinder Pump Over 10,000 hours extended life based on B-10 bearing rating 840 RPM Pump Speed Smooth running & quieter operation 5-HP 208-230 Volt Electric Motor With Overload Protection Operates on standard 208-230V single phase power No special motor starter is needed 140 PSI Maximum Operates a wider range of tools with longer run times Delivers 16 CFM at 90 PSI Easily runs high-demand air tools like sanders & grinders 80-Gallon ASME Code Tank Assures safe operation