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Generac ST20K 158 GPM (2") Semi-Trash Water Pump Kit

Model: ST20K  |  Item Number: 6822
UPC: 696471068221
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Reg. Price: $499.00 $519.00


Features for the Generac ST20K

If you have muddy or sandy water that has got to go, this is the pump for you! The ST20K Semi-Trash Pump is able to handle solids up to 1/4".  This pump has the capability to pump up to 158 gallons per minute, so it is ideal for just about any job you can throw at it!

This pump is easy to use and heavy duty, the perfect combination to help you get your job done!

  • Powerful Generac Pump:Easily pumps up to 158 gallons, per minute!
  • Easy to Use:Color coded ports for suction and discharge, to make connecting the proper hoses easy.
  • Sturdy Build:Silicon Carbine Seal and a Cast Iron Volute and Impeller. 1" frame will hold up in even the harshest environment.
  • Long Engine Life:208cc OHV engine by Generac, with a splash lubrication system means a long engine life.
  • Hose Kit Included:12' suction hose and 25' of discharge hose, strainers and connectors included.
  • Quick and Easy Priming:EASY PRIMEā„¢ Funnel design makes priming quick and easy.

This product may contain chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. For more information, go to

Technical Specs for the Generac ST20K*

Engine 4 Cycle/OHV
Displacement(cc) 208 cc
Starting System Recoil Pull Start

Engine Specification
Lubricant Type Splash Lubrication System
Fuel Capacity 3 Gallons (11.5 L)

Pump Type Semi-Trash Pump
Gallons Per Minute 158 GPM (598 LPM)
Suction Head Lift 26 ft. (7.9 m)
Total Head Lift 108 ft. (32.9 m)
Mechanical Seal Silicon Carbide
Volute Cast Iron
Impeller Cast Iron
Solids Handling  .25 in. (6.4 mm)
Strainer Plastic

Length (in.) 23.1 in. (587 mm)
Width (in.) 23.1 in. (588 mm)
Height (in.) 21.3 in. (541 mm)
Weight (lbs.) 36.2 lbs. (16.4 kg)

* These Technical Specs are provided by the manufacturer at the beginning of the model year. Please be aware that the manufacturer may decide to change these specs at any given time without notice.

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