Free wheeled cross-country transporter for natural disasters (fires, earthquakes, mudslides, landslides, etc.) or high-speed rescue in the rescue channel is destroyed or blocked, the car using the new free wheeled structure, can overcome the difficulties of large vehicles can not reach the rescue site, effective response to complex road conditions, and effectively solve the problem of the last kilometer of the transportation of rescue equipment. The have remote control collaboration, follow, obstacle avoidance, traction and other functions, through science and technology for the fire rescue personnel to “reduce the burden” to enhance the efficiency of rescue. Upper (removable) can be equipped with optional material transportation boxes, equipment modules, fire-fighting modules, smoke modules, detection modules, to achieve diversified rescue needs. Can effectively protect the life safety of rescue personnel.