Use for dig and transport the rock in tunnel Muck Mineral loader, mainly use to dig the rock, and transport the rock to the ... load the rock.Use in mine tunnel, road tunnel, culvert, tunnel dig and load work.XTC-180 Suit for tunnel bigger than 3*3.5 ... (w*h), gradient<=20degree, big and medium tunnel.The most suit rock is f<=12, gradient <=700mm, working ...