Generac Semi-Trash 6 HP 158 gpm Aluminum Gas Water PumpSpecifically engineered to handle muddy or sandy water, the ST20K is powered by a 208 cc Generac engine that pumps up to 158 gallon per minute. So its ideal for your toughest applications. With features such as low oil shut down to protect the engine from damage, its both durable and easy to use. Onboard instructions with icons of key touch points make this pump easy to use Easy prime custom funnel design for quick and easy priming Folding handle for