Crawler electric rock loader is a kind of light loading single bucket transport vehicle for underground minging. It can load the falling rocks or mine stones after blasting to the vehicles without using rails, such as tractor or tailers; or to unload the stones into the railed vehicled in the underground laneway. It has features of cramped construction, high adaptability, reliable operation, easy operation and maintenance. It can be used on horizontal tunnel (grade ≤8° ) (section size 1.8mx2.0m, 2.0mx2.0m,2.2mx2.2m,2.5mx2.5m or 3.0mx3.0m) of all kinds of mine. It is bucket type rock loader, front-load and back-unload, . The power supply is electric and it has a remote control device which is the most advanced design in China. The crawler rock loader is the ideal loading vehicle used in short distance for unrailed underground tunnels.