Komatsu Ltd. (President and CEO: Hiroyuki Ogawa) has developed a concept machine by equipping its flagship large dump truck, the HD785 (maximum payload: approximately 92 metric tons), with a hydrogen combustion engine (*1). The company has commenced proof-of-concept tests at its Ibaraki Plant (Hitachinaka City, Ibaraki Prefecture). This marks the world’s first attempt (*2) to equip a large dump truck with a hydrogen combustion engine. Through these tests, Komatsu aims to accumulate knowledge on hydrogen engine utilization, laying the foundation for future development of “hydrogen-powered construction and mining equipment.”

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