Model#: GRCN6919

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Generac ST20-S ST20-S 169cc 2 in. NPT 158 GPM Semi-Trash Water Pump

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  • Generac ST20-S ST20-S 169cc 2 in. NPT 158 GPM Semi-Trash Water Pump
  • Pumps up to 158 gallons per minute
  • Color-coded suction and discharge ports
  • Onboard instructions for ease-of-use
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Specifically engineered to handle muddy or sandy water, Generac's ST20-S is powered by a rugged 169cc Subaru engine that pumps up to 158 gallons per minute. With features such as low-oil shutdown, custom Easy Prime funnel design for quick priming and a large fuel tank with integrated fuel gauge, Generac's ST20-S is both durable and easy to use.
  • Easily pumps up to 158 gallons per minute for effective water removal
  • Color-coded suction/discharge ports ensure correct setup and function
  • Powerful Subaru OHC 169cc engine ensures reliable suction and performance
  • Easy Prime custom funnel design with tethered priming cap for quick and easy priming/start ups
  • Onboard instructions with icons of key touch points for simple operation
  • Durable 1 in. roll cage frame withstands harsh work environments
  • Silicon carbide mechanical seal ensures dependable operation and long service life
  • Large 3 gallon fuel tank with fuel gauge delivers up to 5 hours of continuous run time


Length: 23.1 in.
Width: 18.1 in.
Height: 19.8 in.
Weight: 65.3 lbs.
Discharge Capacity: 158 GPM
Engine Displacement: 169cc
Engine Type: Subaru 4-Cycle OHC
Impeller: Ductile Cast Iron
Max. Head Lift: 108 ft.
Mechanical Seal: Silicon Carbide
Port Diameter: 2 in.
Pump Type: Aluminum
Solids Capacity: 0.33 in.
Suction Head Lift: 26 ft.
Volute: Ductile Cast Iron



4.0 / 5.0
1 Review
5 Stars
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1 Star
Works Great
Pumps water out very fast. Very nice pump that is a must have for our business
March 27, 2017
Originally posted at

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