The British began construction of Nilagiri Mountain Railway in 1908. Initially, Coonoor was the final station on the line. In September 1908 NMR extended to Fernhill. By October 15, 1908, NMR extended to Udagmandalam . NMR uses 'X' Class steam rack locomotives, manufactured by the Swiss Locomotive and Machine Works of Winterthur in Switzerland, on the rack and pinion section of its tracks. The X Class locomotives are six to eight decades old. These locomotives give NMR a distinct charm,