... on the narrow rail for the field of coal, metallurgic,mine,forest, railway,road turnnel construction and etc.It is ... on the narrow rail for the field of coal, metallurgic,mine,forest, railway,road turnnel construction and etc.Specifications of ... ×23007000×1500×20007800×1550×25007800×1550×2500Some parameter can be adjusted (subject to consulting ) Battery powered electrical mine locomotive 25T 900mm