Engineered to provide faster recovery time. Cast iron pump with Big Bore cylinder and piston is engineered to provide faster recovery time for improved performance. Powerful 3.0 HP motor produces 6.5 CFM at 90 PSI for increased productivity. Pump is oil-lubricated for cooler running temperatures and reduced wear. Durable cast iron cylinder reduces wear and increases pump life; removable for easy maintenance. Folding handle with low profile design for easy storage with handle folded. Rugged wheels for jobsite portability.