In today's article we are going to talk about Soviet locomotive class IS, a topic that has undoubtedly captured the attention and interest of many in recent times. Whether due to its relevance in today's society, its impact on various aspects of daily life or simply because of its intrigue and mystery, Soviet locomotive class IS has become a meeting point for debate, reflection and research. Throughout this article we will further explore the different facets and dimensions of Soviet locomotive class IS, with the aim of providing our readers with a more complete and broader vision of this fascinating topic.
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The Soviet locomotive class IS (Russian: ИС; Ukrainian: Паровоз ІС, romanized: Parovoz IS) was a Soviet passenger steam locomotive type named after Joseph Stalin (Russian: Иосиф Сталин; Ukrainian: Йосип Сталін, romanized: Yosyp Stalin). The contract design was prepared in 1929 at V.V. Kuybyshev Locomotive Factory in Kolomna, Russian SFSR. The IS series locomotives were manufactured between 1932 and 1942. The last one was built in 1942 during the Great Patriotic War against Nazi Germany.
The locomotive used the same cylinders and boilers as the FD series locomotives. However the IS steam locomotive had a 2-8-4 wheel arrangement.
The first steam locomotive was released from the Kolomna factory on October 4, 1932. In April–December a steam locomotive was tested on the October, Southern, and Ekaterinenskaya railways.
In 1936, production began at October Revolution Locomotive Factory in Voroshilovgrad, Ukrainian SSR (Luhansk, Ukraine). In total, 649 IS steam locomotives were constructed. Later the series was renamed FDP (steam locomotive FD, passenger modification).
These locomotives were used until 1972.