Liebherr hydrogen excavator wins Bauma Innovation Award

Suitable for use under extreme temperatures, shock and high-dust conditions on construction sites, the 50 tonne-operating weight R 9XX H2 may in future offer a robust solution for earthworks and quarrying applications.

Liebherr’s 50-tonne R 9XX H2 hydrogen excavator has received the 2022 Bauma Innovation Award in the climate protection category. This is the first Liebherr hydraulic excavator to be powered by a hydrogen engine.

Working on alternative drive solutions, Liebherr takes a technology-neutral approach. Hydrogen combustion engines are one of the technologies being explored by the group. The prototype R 9XX H2 hydrogen excavator was developed by Liebherr-France SAS in Colmar, France. The machine is powered by an H966 hydrogen combustion engine. It was produced at Liebherr Machines Bulle SA, the Liebherr Group’s engine competence centre in the Swiss canton of Fribourg.

The R 9XX H2 is powered by a Liebherr H966 hydrogen combustion engine. The engine has six cylinders and uses port fuel injection (PFI), which Liebherr employs along with direct injection (DI) for its hydrogen engines. Liebherr’s components product segment plans to start with the series production of hydrogen motors by 2025.

2022 sees the 13th presentation of the Bauma Innovation Award. Its five categories – climate protection, digitalisation, mechanical engineering, building and research – reflect political, social, economic and ecological challenges. The expert jury’s focus on criteria such as practical orientation, economic potential, environmental protection aspects, resource conservation, efficiency and humanisation the workplace. The prize is awarded by Messe München and the German Mechanical Engineering Industry Association (VDMA), together with the Federation of the German Construction Industry (HDB), the German Construction Confederation (ZDB) and the German Building Materials Federation (bbs).

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