Daimler Trucks launches intensive tests of fuel cell truck

May 20, 2021 // By Christoph Hammerschmidt
Daimler Trucks launches intensive tests of fuel cell truck
In the electrification of its trucks for long-haul applications, Daimler Trucks is focusing on the hydrogen-based fuel cell. The goal is ranges of up to 1,000 kilometres and more. Recently, the manufacturer has started intensive tests of a new, further developed prototype of its GenH2 truck.

The tests will focus on continuous operation in different weather and road conditions as well as various driving manoeuvres. Customer trials are scheduled to begin in 2023, with the first production GenH2 Truck vehicles going to customers from 2027.

"The hydrogen-based fuel cell drive will be indispensable in the CO2-neutral long-distance truck transport of the future - this is also confirmed by our partners, with whom we are working to bring the technology onto the road in series production," says Martin Daum, CEO of Daimler Truck.

The truck manufacturer's development engineers are designing the GenH2 truck to meet the same durability requirements for vehicle and components as a comparable conventional truck. This means 1.2 million kilometres of mileage, ten years of operation and a total of 25,000 operating hours. Therefore, the GenH2 truck has to pass demanding tests. For example, in the first few weeks of testing alone, the vehicle has already covered hundreds of kilometres under continuous load on the roller dynamometer and has undergone numerous extreme situations from real-life operation, such as full braking and driving over kerbs on the test track.

The GenH2 truck is a completely new vehicle with new components. These include the fuel cell system, the all-electric powertrain and all associated systems such as the special cooling system. The individual weight of the new components and their respective position in the vehicle also have an impact on the driving characteristics of the truck. This means, for example, that in the case of vibrations caused by road irregularities and especially in extreme situations, different forces act on the truck than in conventional vehicles. In order to gain comprehensive knowledge at an early stage, the current prototype is already being loaded with up to 25 tonnes of payload for a total weight of around 40 tonnes as part of the tests.

Daimler Trucks prefers liquid hydrogen because the


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