There are various types of locomotives designed for different functions. Trolley, Electric and Battery locomotives are examples of locomotives popularly used in today's world. Trolley locomotives are designed for horizontal rail transport especially in mines, to the non-hazardous areas without explosion risks. Electric locomotives range from the small type used in factories and coal mines for local hauling to the large engines used on railroads. Power is collected from an electric trolley, running on an overhead wire or from a third rail at one side of the track. Battery locomotives are used only for local haulage, carry electric storage batteries that act as their primary source of power. Browse through this category for various locomotives available in Zambian stores.