187-ZDM3-KLK --- ZDM3 class narrow gauge diesel loco which hauls the passenger services to Shimla from Kalka. ZDM3, diesel-hydraulic locomotives (522 kW, 50 km/h), built between 1970 to 1982 by Chittaranjan Locomotive Works with a single cab road switcher body. Rudranil RoyChowdhury caught this magnificent cute loco busy on shunting duties at Kalka shed on 3rd Sept 2012.