The world’s largest EV, Kuhn Schweitz’s e-Dumper
A 110-ton dump truck is operating in a quarry in Biel, Switzerland, to haul lime and marl off the side of a mountain to a cement factory. It is the world’s largest electric vehicle and it is made by Kuhn Schweitz. The most surprising thing is that Kuhn Schweitz’s e-Dumper requires no recharge in order to do that activity, as it consumes no energy.
The dump truck, at 45 tons, levitates the 13-percent grade and takes on 65 tons of ore. Even though with more than double the weight going back down the hill, it’s regenerative braking system recaptures more than enough energy to refill the charge, the e-Dumper used while going up.
Why the e-Dumper requires no recharge?
The Kuhn Schweitz’s e-Dumper which requires no recharge is based on a Komatsu HB 605-7: 30 feet long, 14 feet wide, and 14 feet tall. The tires are six feet high, and the dump bed reaches to more than 28 feet when fully raised. Kuhn Schweitz adds a 600-kilowatt-hour battery pack which is big enough for six, long-range Tesla Model Ses from Lithium Storage that weighs 9,000 pounds.
CNN recently conducted a test drive for the machine by bringing the Formula 1 driver Lucas DiGrassi, owned by Swiss cement company Ciments Vigier SA. He reported that, after reaching the top of the grade with 80 percent, then it recovers battery charge to 88 percent on the way down, which is really amazing on its part.
The e-Dumper produces 200 kWh of abundant energy every day, or 77 megawatt-hours a year. A typical dump truck uses between 11,000 and 22,000 gallons of diesel a year. That conserves up to 196 metric tons of carbon dioxide a year.
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