The prototype is based on a Unimog U 430 implement carrier. Mercedes-Benz didn't go into many details, but said the engine produces about 290 hp and 1000 Nm of torque. It's fed by four high-pressure storage tanks behind the cab that hold about 14 kg of hydrogen. That's apparently not very much, as Daimler Truck said that "engineers aim to increase the volume to cover a regular working day" in the next stage of development.
According to the research team, the engine is "noticeably quieter than its diesel equivalent". The prototype was equipped with a front mower with two mowing heads to gain further insight into the working mode. The vehicle was recently tested on an abandoned stretch of highway between Bayreuth and Bamberg. This exposed the vehicle to low temperatures, varying topography and refueling at a public gas station.
Mercedes-Benz Special Trucks boss, Franziska Cusumano, said that after two years, they’re “very happy with the current development status of the test vehicle.” She added, “The tests with Autobahn GmbH staff in Upper Franconia are particularly valuable for us because here we can collect important feedback from practical application for … further development work.”
Source: Daimler Truck
