Hydra-Tech S3T 3″ Hydraulic Submersible Sewage/Wastewater Pump

Hydra-Tech S3T model is designed for pumping jobs such as construction sites and manhole pumping where lightweight, high volume, trash pumps are needed. It has the ability to pass through a 12″ opening and pump in debris laden areas. A small hole strained is available for limiting solids to be pumped.


  • Variable Speed
  • Vortex Inpeller for Solids Handling
  • Dependable Gear Type Hydraulic Motor
  • Oil Lubricated Seals (Can Run Dry)
  • Safe Hydraulic Drive Can Be Used Where Electric Power is Hazardous or Impractical
  • Small overall size allows for use in very tight spaces
  • Can be bolted to Standard Pipe Flange and used as an In-Line Booster Pump
  • Operates With Our HT11 and HT13 Power Units or Other Hydraulic Power Sources with flows of up to 8 GPM and pressures to 2500 PSI. Can also be driven by larger power units when fitted with optional flow control
  • Recommended Power Units:  HT11D,  HT13G, HT11DXR
Hydra-Tech S3T 3" Hydraulic Submersible Sewage/Wastewater Pump
WEIGHT S3T:                 25 lbs. (11 kg)
S3TDI:                           48 lbs. (22 kg)
HEIGHT:                          14" (36 cm)
DIAMETER (@ widest point):       11 3/4" (30 cm)
DISCHARGE:                       3" NPT(F)
INLET FLANGE:                    3", 125# ASA
SOLIDS HANDLING:                 2 1/2" (63 mm)
HOSE PORTS:                      1/2" NPT (F)
PUMP BODY S3T:                   Aluminum
S3TDI:                           Ductile Iron
IMPELLER:                        Stainless Steel
WEAR RING                        Ductile Iron
SHAFT:                           Plated 4140 Steel
SHAFT SEAL:                      Carbon/Ceramic (Std)
ELASTOMERS:                      Buna N (Std)
HYDRAULIC OIL:                   214-320 s.s.u. @ 100°F (64°C)
INPUT FLOW:                      Max. 8 GPM (30 LPM)
OPERATING PRESSURE:              Max. 2500 PSI (170 Bar)
POWER SOURCE:                    Any Open Center Hydraulic System

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