How Does an Electric Sewer Cleaning Vehicle With Water Recycling Perform in Practice?


Kanal Engel, based in Abtwil, Switzerland, has been carrying out sewer cleaning operations since 1987. The company uses various models of the diesel-fueled AquaStar in its vehicle fleet. Recently, Remo Engel, one of the operators at Kanal Engel AG, spent a whole day testing the KAISER AquaStar EV, which is based on a Designwerk electric truck.

Many users are skeptical when it comes to the subject of electric vehicles in the context of sewer cleaning and water recycling. Mr. Engel was one of them – he even kept a diesel-powered unit as a backup as he thought he might have to swap trucks before the end of the day. But even if the machine had to work hard, it performed well until the end of the day.

“We were surprised how well it all went. The vacuuming power was high, remained constant throughout the entire job, and we got the waste material out of the sewer successfully. As for diesel or electric – I didn’t notice any difference in performance during our deployment,” he said.

An electric sewer cleaner would be particularly well suited for jobs in urban areas, where recharging is easier to plan. The electric truck is then on a level playing field with the diesel vehicle and even has some advantages over it. Particularly with combined jetting and recycling, you notice that the electric truck is a lot quieter which makes the work more pleasant for the operator and for the residents.

KAISER AG, based in Liechtenstein, is the world’s leading manufacturer of vehicles for sewer cleaning and industrial disposal as well as mobile walking excavators. Its products are deployed on 5 continents, in 116 countries and well over 1,000 cities. The company employs around 700 people at its sites in Liechtenstein, Switzerland, Austria, Italy, France, Finland, Sweden, Norway, Slovakia, the U.S., and Australia.


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