Narrow gauge diesel locomotive ZDM1 704. Originally built 1955 by Jung for the Kalka-Shimla Railway, articulated locomotive with two diesel engines. No. 700 to 703 were later rebuilt to NDM1 (from 762 to 610 mm gauge) and used on the Matheran Hill Railway. National Rail Museum New Delhi, 2012-12-07.

tobias b köhler