Products – Portable

ST20-S 2" Semi-Trash Water Pump

Model: ST20-S

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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 gpm (588 Lpm). 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.  

Features & Benefits

Powerful & Durable


  • Durable 1 in. (50.8 mm) frame to withstand the harsh environment
  • Powerful Subaru 169cc engine with low-oil shut down
  • Easily pumps up to 158 gpm (560 Lpm)
  • Silicon carbide mechanical seal for long life

Easy to Use


  • Onboard instructions with icons of key touch points make this pump easy to use
  • Easy Prime™ custom funnel design with tethered priming cap for quick and easy priming
  • Color-coded suction and discharge ports to ensure the correct hose connections 
    o Blue =  Discharge
    o Green = Suction 



  • 3 gal. (11.4 L) fuel tank with incorporated fuel gauge delivers approximately 5 hours runtime