Underground Electric LHD CYJ - 0.75 adopts Ac 380 V three-phase asynchronous motor, rubber tire, front and rear axle drive at the same time. Adopts the advanced way of three-point suspension articulated, which changes the old models' layout form of oscillating axle. And it has overcome the defects of oscillating axle's high failure rate, maintenance troubles, hidden dangers, greatly reduced the investment of manpower and material resources. Synchronous winding down device of cable was used in the process of walking to make the tractor shovel is more flexible in the work. Suitable for mining and roadway drivage slag, the construction of the road and work place, material transportation and so on.