Published at January 27, 2025 by InfraJunction
Hyundai Construction Equipment is making waves at this year’s Bauma exhibition in Munich with its HW155H, a hydrogen fuel cell-powered wheeled excavator. Visitors will get a chance to see this innovative machine in action, showcasing how hydrogen can pave the way for carbon-free construction across Europe.
Back in 2022, the HW155H was displayed as a concept at Bauma. This year, Hyundai is stepping up by putting the machine to work, offering live demonstrations that highlight its real-world capabilities. It's a clear signal that hydrogen could be the future for sustainable construction machinery.
The HW155H runs on a hydrogen fuel cell, which creates electricity through a chemical reaction between hydrogen stored onboard and oxygen from the air. The best part? Its only emission is water vapour. The generated electricity powers the excavator either by driving electric motors directly or through hydraulic pumps, making it efficient and eco-friendly.
This futuristic fuel cell is the result of a partnership between Hyundai Construction Equipment and Hyundai Motor Company. The system combines 30kW and 50kW fuel cells to generate up to 100kW of power. It’s versatile enough to be used in other machines like forklifts and even emergency generators.
The HW155H, weighing 15 tonnes, is designed to handle both on-road and off-road challenges. It uses hydrogen to power its electric motor, which drives its hydraulic system. What’s even better? The excavator can run for a full eight hours on a single hydrogen refill, and refueling takes just 10-20 minutes—practical and efficient for busy work sites.
Hydrogen isn’t just clean; it’s also safe. Its auto-ignition temperature is much higher than diesel or petrol, making it less likely to catch fire. Plus, since hydrogen is 14 times lighter than air, any leaks disperse quickly into the atmosphere, reducing risks. It’s a win-win for construction projects looking for safer and greener fuel solutions.
Hyundai is also setting a new standard in hydrogen storage with its high-density, solid-state system. This innovative design doubles storage capacity while lowering filling pressure. The result? More space efficiency, shorter refueling times, and better safety for construction crews.
Hyundai’s hydrogen-powered HW155H isn’t just an excavator; it’s a glimpse into a cleaner, more sustainable future for construction. By demonstrating how hydrogen can power heavy machinery effectively and safely, Hyundai is proving that innovation and sustainability can go hand in hand.
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