Meet the SuperDroid Robots ITS24 Mining Robot: a smart machine with 6″ wide custom tracks and 14″ ground clearance. It has a 2-axis arm and digital audio. The robot is highly versatile and can negotiate rough terrain. It has enough power to move a car. It also has a 360 degree pan-and-tilt IR camera.
The above video shows what this robot is capable of. More information is available here.