2025 Generac 2″ Semi-Trash Pump

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2" Semi-Trash Pump

Specifically engineered to handle muddy or sandy water, the ST20-S is powered by a 169cc Generac G-Force 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.

Features
  • Powerful Generac Pump - Can pump up to 158 gallons per minute
  • Extended run-time fuel tank with fuel gauge
  • Color coded suction and discharge ports to ensure the correct hose connections
  • Durable design - Silicon Carbide Seal, Ductile Iron Volute and Impeller
  • Powerful Generac G-Force 169cc OHC engine with low oil alert provides longer engine life
  • EASY PRIME ™ Funnel design for quick and easy priming
Specifications
  • Engine Type: 4 cycle/OHC
  • Engine Displacement (Cc): 169
  • Start Type: Recoil Pull Start
  • Low Oil Shutdown Method: Low Level
  • Recommended Oil: 10W-30 / Sae30
  • Fuel Capacity (Gal/L): 3/11.4
  • Max Run Time: 5.0 hrs
  • Flow Gpm/Lpm: 158/598
  • Max Total Head (Ft/M): 108/32.9
  • Max Suction Lift (Ft/M): 26/7.9
  • Mechanical Seal Type: Silicon Carbide
  • Solid Handling (In): 0.33
  • Suction Port (Npt): 2.0
  • Discharge Port (Npt): 2.0
  • Pump Housing: Aluminum
  • Impeller: Ductile Cast Iron
  • Volute: Ductile Cast Iron
  • Country Of Origin: China
  • Warranty: 3 Year Limited
  • Manual Part #: 0K9077
  • Length (L) (In/Mm): 23.1/587
  • Width (W) (In/Mm): 18.1/460
  • Height (H) (In/Mm): 19.8/502
  • Unit Weight (Ibs/Kg): 65.3/29.6
  • Carton Length (In/Mm): 23.8/604
  • Carton Width (In/Mm): 18.7/475
  • Carton Height (In/Mm): 20.6/524
  • Shipping Weight (Ibs/Kg): 72.5/32.9

Additional information

Engine

Engine Type 4 cycle/OHC
Engine Displacement 169 cc

General

Impeller Ductile Cast Iron
Dimensions Length: 23.1 in (587 mm) x Width: 18.1 in. (460 mm) x Height: 19.8 in. (502 mm)
Weight 65.3 lb. (29.6 kg)