The 2TE116 is a broad gauge double diesel locomotive manufactured by Luhanskteplovoz, used extensively to haul heavy freight trains in the Soviet Union and its successor states, particularly by RZD.
A separate tripartite memorandum of understanding was signed in Yerevan by Rasia FZE, Russian Railways (RZD) subsidiary South Caucasus Railway, and the government of the Republic of Armenia concerning technical cooperation, investment, and the future operation of the Southern Armenia Railway.
The EP10 (ЭП10) is a type of dual voltage six axle electric locomotive built for RZD by NEVZ in association with Adtranz/Bombardier for passenger use.
The first of the production series of the EP20 was official handed over in late 2012, at a ceremony attended by Dmitry Medvedev, and high officials of Alstom, Transmashholding, RZD and V. Golubev, Governor of the Rostov region.
On 24 January 2013, during an announcement and press conference, the previously signed concession agreement was announced and a separate tripartite memorandum of understanding was signed in Yerevan by Rasia FZE, Russian Railways (RZD) subsidiary South Caucasus Railway, and the government of the Republic of Armenia concerning technical cooperation, investment, and the future operation of the Southern Armenia Railway.