Thompson 4" Sewage & Trash Pumps

4" Standard Pump

  • All Cast Iron Construction
  • Ideal for Sewage By-Pass
  • Handles Large Solids up to 3"

Thompson pump has been producing high quality pumps in the US for over 50 years. These pumps are suited for use in a variety of applications including sewage by-pass, flood control, and general de-watering. These pumps are available with a wet priming or compressor priming system. A wet priming system is the most standard priming system on pumps in the market today.

The wet priming system uses the water in the pump case to prime and is the least expensive option.

The compressor priming system uses an air compressor and blows air across a venturi to create a vacuum thus causing the liquid to go up the hose and into the pump. The Compressor prime is ideal for situations where you don't want to monitor the pump, or where your flow is sporadic. The compressor priming system will rundry and re-prime when liquid is present again. Thompson pump has an exclusive system called Enviroprime® that assures your pumpage never winds up on the ground.

Optional 4" Silent Knight Enclosure


All Thompson pumps will self prime to 28' at sea level and will pump up to 3" solids depending on the model. All units feature an easy access clean out for clearing clogs should one occur. These pumps are available on skid or trailer and there is an option for sound attenuated enclosure. Standard trailers include dot light package, 3" Pintle hitch, diamond plate fenders, front adjustable jack, safety chains, and two rear jacks.

4" Thompson pumps are available with either John Deere watercooled or Deutz air cooled diesels. Engines includes electric start, high temperature and low oil shutdowns. Additional options such as Automatic start/stop with floats are available contact our tech support team for further information.


4TS and 4TSC

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QTY XTH10001

4TS, Trailer Mount, John Deere, Wet Prime CALL

QTY XTH10002

4TSC, Trailer Mount, John Deere, Compressor Prime CALL

QTY XTH10003

4HT, Trailer Mount, Deutz, Wet Prime CALL