... .high reliabilityIt is DC-AC driving, narrow rail battery powered mining locomotive, suitable for transportation tracting on the ... etc.It is DC-AC driving, narrow rail battery powered mining locomotive, suitable for transportation tracting on the ... , railway,road turnnel construction and etc.Specifications of Battery Powered LocomotiveModel SpecificaitongsXK14/6XK14(18)/7XK14(18)/9XK25/7XK25/9XK30 ...