Generac | sku: 207041132 Generac 5.7 Hp 2 In. Gas Powered Semi Trash Pump Specifically engineered to handle muddy or sandy water, the ST20S is powered by a 169cc engine that pumps up to 158 GPM. With features such as low-oil shut down, custom Easy Prime funnel design for quick and easy priming and a large fuel tank with... Log in for pricing