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The development of remote controlled emergency-handling and fire-fighting robot is discussed. The design of the robot is based on a small multi-function crawler hydraulic excavator. The structure and operating principle of the robot are introduced. The original crawler hydraulic excavator is modified and a new remote control system is implemented. The function of walking, turning, roadblock striding and many functions of the robot are accomplished through the remote control system. The performance testing of the robot shows that the performance of the robot can meet the anticipated requirements.