TU2 diesel locomotive
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The decision to replace steam locomotives by diesel ones on the narrow gauge railways was taken after the Second World War. The first diesel locomotive built for the 750 mm (2 ft 5 1⁄2 in) narrow gauge railways was the TU1; that was built in 1954. Only two locomotives of this type were built.
The design of the TU2 was based on the TU1, but the TU2 was improved. The first TU2 was built in 1955. The tests of the first TU2 were held on the test site of the Central Scientific Institute (in Shatura), that belonged to the Ministry of the Ways and Communications. The tests were successful, so the TU2 was taken into production.
The only factory that produced the TU2 was Kaluga machine factory. The first three locomotives were tested again, in Panevėžys, (Lithuania) and Pärnu, (Estonia). During the tests, the locomotive could run as fast as 76 km/h (47 mph). But due to the poor tracks on most of the country's narrow gauge railways, the highest allowed speed during normal operation was 50 km/h (31 mph).
TU2 diesel locomotives were produced till 1959; 281 locomotives were built.
The locomotives were used on many narrow gauge railways to move cargo as well as passenger trains. Later they were replaced by more modern designs. As of 2007, they are no longer in use on the narrow gauge railways in Russia, but some narrow gauge railways in Ukraine still use them. Many children's railways use TU2 locomotives too. One railway in Lithuania also still uses TU2.
TU2 is a diesel-electric locomotive. The main diesel engine is 1D12 and it produces 300 hp. The main engine drives the electric generator (195 kW) that supplies electricity to four traction motors, 62 kW each.
- The Museum of the Moscow Railway, at Paveletsky Rail Terminal, Moscow
- Rizhsky Rail Terminal, Home of the Moscow Railway Museum
- Varshavsky Rail Terminal, St.Petersburg, Home of the Central Museum of Railway Transport, Russian Federation
- History of rail transport in Russia
|Wikimedia Commons has media related to Type Tu2 diesel locomotives.|
- The TU2-pages
- "Description on the Russian narrow gauge encyclopedia site". Archived from the original on 2013-01-11.
- Description of the Children's railways site (Russian only)
- The book: Узкоколейный тепловоз ТУ2. Государственное транспортное железнодорожное издательство. Москва 1958.