BISON 3kw 120bar electric pressure washer

ES3-4B plug-and-play eliminates the need for complicated operations and completes your work quickly.


8.0HP 4 Stroke 3000PSI Petrol Pressure Washer Details

BISON is a pioneer in China’s cleaning machine industry and now launched ES3-4B to completely change the way homeowners or businesses handle cleaning tasks. BISON understands people’s growing need for efficient, user-friendly cleaning solutions through on-site inspections and user needs.

Why choose an electric pressure washer?

  • Clean power: green power Unlike gas-powered models, the BISON 3kw pressure washer achieves zero emissions, making it an environmentally responsible choice.
  • peace & quiet: enjoy a quieter cleaning experience with an electric motor, ideal for noise-sensitive areas without noise disturbance.
  • easy maintenance: say goodbye to gas and oil changes! Electric pressure washers require minimal maintenance, saving you time in the maintenance feedback process.
  • Plug-and-play convenience: forget complicated setup. Just connect the 120bar pressure washer, turn on the switch, and you can start the cleaning operation. Plus, there’s no need to worry about storing flammable gasoline.
  • 3000w motor: more suitable for various stubborn stains on complex surfaces.

Advantages of 120Bar pressure:

Don’t underestimate the cleaning power of 120 Bar! ES3-4B effectively removes stubborn dirt, grime, and stains from cars, decks, patios, furniture, and more. 120 bar is just the lowest value of adjustable pressure. If you have stronger cleaning needs, you can increase the pressure to 140bar.

Benefits to you and your customers

Whether it’s cleaning driveways, walkways, vehicles or outdoor furniture, the applications for the BISON 3kw 120bar electric pressure washer are endless. This makes it an indispensable tool for homeowners. Contact BISON today for advice or to place an order and experience the difference for yourself.





product parameters
Power:3kw 1 phase
Sinlge phase:4 Poles 1450rpm
Working Presure:120-140bar / 1740psi-2030psi
Flow Rate:3.4gpm/12.6lpm
Package size:77*48*37 cm




BISON Pressure Washer Frequently Asked Questions

To properly store your pressure washer, you must first drain the gas from its motor and run it dry. The pump should have antifreeze run through it, and left inside the pump. This will protect the pump from freezing as well as protect the pump internally from corrosion caused by the water. In addition, it lubricated and protects the seals from drying out, making it ready to use at a moment’s notice. Disconnect all the hoses from the machine, empty them of liquids, and wipe them down. Store your pressure washer in a cool, dry space.

Refer to your User Manual for instructions on which oil to use for which part of your pressure washer. Most pumps use a 30W non-detergent oil.

There are many possible explanations for why your pressure washer isn’t reaching full pressure. Your packings could be worn down, causing your pump to be less effective and have less of a seal around its openings. Your inlet water valve could be clogged, or the filter could be plugged, and not enough water could be getting into the machine. There could be a kink in the hose. Etc. Contact our exceptional customer service team with other possible questions about why your pressure washer isn’t reaching full pressure.

1. Always disconnect your spray wand from the gun before cleaning your nozzles!
2. Clear the nozzle with a small rigid piece of wire such as a paper clip.
3. Flush the nozzle backwards with water.
4. Reconnect the wand to the gun
5. Restart the pressure washer and depress the trigger on the spray gun.
If the nozzle is still plugged or partially plugged, repeat number 1-4.

If the previous procedure does not clear the nozzle, replace with a new nozzle.

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