Our Diesel Driven Rotary Screw Air Compressors range from 185-1800 CFM. Pressures from 100-150 PSI are available in most models. John Deere and Caterpillar diesel engines are available in most models. Skid mounted, utility and portable models available. Sullivan-Palatek also makes a complete line of off shore diesel compressors with special skid mounting and "off shore" compliant. All sheet metal used on our portable air compressors is galvaneal for protection against rust and corrosion.