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First Large Wheel Loader With Hydrogen Engine
At a trade event at the Liebherr plant in Bischofshofen, Austria, the world’s first large wheel loader with a hydrogen engine was recently presented to high-ranking representatives from politics and business. The event included a series of talks on the topic of alternative drives. However, the focus was on Liebherr’s impressive machine show, where the hydrogen wheel loader was demonstrated for the first time in practical use. At the same time as this world première, the first hydrogen filling station in the state of Salzburg was inaugurated, representing an important milestone in the use of hydrogen as a sustainable energy source. “To make progress in hydrogen research, we need to have access to hydrogen. We built this filling station to further advance our goals for decarbonising construction machinery,” said Dr.-Ing. Herbert Pfab, chief technical officer of Liebherr Bischofshofen.
For smaller vehicles up to about 15 t, battery-electric solutions are often suitable. However, the situation is different with larger machines with an operating weight of up to 40 t and high energy requirements. Hydrogen internal combustion engines prove to be ideal in this case. These hydrogen engines are manufactured at the engine plant of Liebherr’s Components product segment in Bulle, Switzerland. They enable not only zero emissions of greenhouse gases and almost no nitrogen oxides, but are also highly efficient. Another advantage is that the interfaces are comparable to those of a diesel engine – thermally and mechanically. This represents a significant step forward in the development of sustainable large-scale machinery.
As part of the development of the hydrogen wheel loader, Liebherr Bischofshofen opened its own hydrogen filling station – the first of its kind in the entire state of Salzburg. An important strategic partner in this project is Maximator Hydrogen, which is not only the manufacturer of the newly opened filling station, but also a research partner of Liebherr. Together, they are working on mobile filling facilities so that machinery can be refuelled directly at the construction sites. This is particularly important for remote construction sites and machines that are not very mobile. Another reliable partner is MPREIS, which ensures the supply of green hydrogen. This is important because only through emission-free production – using wind, hydroelectric or solar energy – can hydrogen play a key role as a sustainable and climate-friendly energy source. Liebherr-Werk Bischofshofen GmbH develops, produces and sells wheel loaders from the Liebherr Group. The plant in Salzburger Land, Austria, has grown steadily over the decades thanks to sustainable innovations, creative solutions and high quality standards. The wheel loader range is constantly being expanded and includes models in different product groups: compact loaders, stereo loaders, and mid-sized and large wheel loaders with impressive, innovative drive designs.
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The L 566 H from Liebherr is the world’s first prototype large wheel loader with a hydrogen engine. Following extensive studies, this groundbreaking technology was identified as the optimal solution for operating large vehicles that are difficult to electrify without CO2 emissions.
Another highlight of the show was a MAN truck, also with a hydrogen engine. This shows that hydrogen technology is not only feasible in wheel loaders, but is already used in construction site trucks.
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