The Russian heavy diesel locomotive #3234 of the ChME3 class is shunting in Tallinn. In 1990, Estonia was still part of the USSR. The ČKD ChME3 is a six axle road-switcher diesel-electric locomotive class built by ČKD in the former Czechoslovakia. The class was used primarily for shunting and mainline duties. Units have been operated by Russia, Belarus, Ukraine (as class ЧМЭ3, transliteration ChME3) and other ex-Soviet bloc countries, in Czechoslovakia (as class T669.0, T669.1 and T669.5, later as ŽSR 770 and ČD 770 in Slovakia and the Czech Republic), on industrial railways in Poland (S200), in Albania (HSH T669.1), Iraq (DES 3101), Syria (LDE 1500) and in India (DEC 120).