JR East may deploy autonomous chainsaw robot on rail tracks
A rail truck‑mounted humanoid robot equipped with a chainsaw and grabber arm was shown clearing tree branches that block Japanese rail lines. The machine, controlled remotely by a human, has been available to JR East engineers since March. JR East, Japan’s largest passenger railway operator, is expanding its use of AI and robotics to improve safety, efficiency and round‑the‑clock maintenance.…
Key points
- JR East uses a rail truck‑mounted chainsaw robot to clear tree branches on tracks.
- Robot has been available to engineers since March.
- Future plans include autonomous operation via AI image analysis.
The deployment reflects Japan’s labor shortages and the growing role of robotics in infrastructure maintenance. If the robot can operate independently, it could reduce the need for skilled workers to perform dangerous, high‑height chainsaw work and improve safety.
The video marks the first public demonstration of the robot in action, highlighting JR East’s aggressive AI adoption strategy across its operations.
Japan experiments with autonomous AI chainsaw-wielding robots
Tom's Hardware · 28 October 2026
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