Generac 2" semi-trash water pump, orange and black in color, Generac logo on the side along with image instructions

Generac 2" Semi-Trash Water Pump with Subaru Engine | 6919

Regular price $619.00
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Specifically engineered to handle muddy or sandy water, the ST20S is powered by a 169cc Subaru engine that pumps up to 158 gallons per minute. With features such as low-oil shut down, custom Easy Prime™ funnel design for quick and easy priming, and a large fuel tank with integrated fuel gauge, it’s both durable and easy to use.


  • Durable 1” frame to withstand the harsh environment
  • Powerful Subaru 169cc engine with low-oil shut down
  • Large 3-gallon fuel tank with incorporated fuel gauge delivers approximately 5 hours runtime
  • Onboard instructions with icons of key touch points make this pump easy to use
  • Easy PrimeTM custom funnel design with tethered priming cap for quick and easy priming
  • Color-coded suction and discharge ports to ensure the correct hose connections
  • Easily pumps up to 158 gallons per minute
  • Silicon carbide mechanical seal for long life



Contact us HERE for local install estimates in Western Montana.