Underground Diesel LHD FCYJ -1 adopts German original DEUTZ AG BF4L2011engine with full of power .Main pump and motor adopts Ukraine original hydraulic power which can be exchanged with SAUER products of USA .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. The running system adopts hydrostatic transmission, gear-box and hub reduction gear. 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. The Electric LHD FCYJ – 1has the advantage of compact structure, flexible and convenient operation.