Komatsu showed a lunar excavator and an underwater bulldozer (photo + video)

19.01.2025/10/30 XNUMX:XNUMX    200

At the CES 2025 exhibition in Las Vegas, Japanese heavy construction equipment manufacturer Komatsu demonstrated innovative developments - a prototype of an underwater electric bulldozer and a model of a lunar excavator focused on working in low gravity conditions.

Model of a Komatsu robotic excavator for work on the surface of the Moon, Interesting Engineering / YouTube

The underwater robot bulldozer is an improved version of the D155W model, which has been used for underwater work since the 1970s. The new bulldozer is equipped with electric motors that allow it to dive to a depth of up to 50 meters, not limited by the height of the snorkel. The 450 kWh battery system provides up to six hours of autonomous operation, and charging takes only four hours. The robot is controlled remotely, which increases safety and reduces dependence on local conditions.

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The lunar excavator, developed as part of the government's Stardust project, is being created for future missions to build bases on the Moon. The development uses digital twin technology, which allows you to simulate the real behavior of the equipment in lunar gravity, which is only one-sixth of Earth's. Engineers have taken into account the difficulties of digging in thin regolith: the excavator will receive elongated tracks with additional sections to improve stability and contact with the surface.

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Komatsu Underwater Bulldozer at CES 2025 Komatsu / Business Wire

The excavator will have a high degree of autonomy, will be able to recognize soil properties, avoid obstacles and interact with other equipment, in particular a multifunctional dump truck, which will transport regolith. All elements of the equipment will be electrified, and the energy source will be batteries or fuel cells.




These concepts demonstrate how modern technologies, such as autonomous control and simulation, can expand the boundaries of the use of construction equipment in extreme conditions, including underwater environments and space.

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