Generac 2in. Trash Pump is specifically designed to handle the toughest and dirtiest jobs. The T20S features a powerful 211cc Subaru engine that pumps up to 185 gallons per minute and can pass solids up to 1in. in size. The large, 3 gallon fuel tank has an incorporated fuel gauge that delivers up to 5 hours of runtime. This generator has an easy prime custom funnel design with tethered priming cap for quick and easy priming as well as color-coded suction and discharge ports to ensure the correct hose connections.