Kh () was the class of double axled high-floor
tram
A tram (also known as a streetcar or trolley in Canada and the United States) is an urban rail transit in which Rolling stock, vehicles, whether individual railcars or multiple-unit trains, run on tramway tracks on urban public streets; some ...
cars, which were built in
Soviet Union
The Union of Soviet Socialist Republics. (USSR), commonly known as the Soviet Union, was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 until Dissolution of the Soviet ...
in
interbellum
In the history of the 20th century, the interwar period, also known as the interbellum (), lasted from 11 November 1918 to 1 September 1939 (20 years, 9 months, 21 days) – from the end of World War I (WWI) to the beginning of World War II ( ...
period. First vehicles were built in 1927 and delivered to
Kharkov
Kharkiv, also known as Kharkov, is the second-largest List of cities in Ukraine, city in Ukraine. ,
Ukraine
Ukraine is a country in Eastern Europe. It is the List of European countries by area, second-largest country in Europe after Russia, which Russia–Ukraine border, borders it to the east and northeast. Ukraine also borders Belarus to the nor ...
. First letter of city name, Cyrillic ''Х'' (usually transliterated as ''Kh''), was selected as a designation of whole series. After Kharkiv, tramcars of this type were supplied to many Soviet cities and became most numerous in the fleets of many municipalities. In 1941, after the onset of
Operation Barbarossa
Operation Barbarossa was the invasion of the Soviet Union by Nazi Germany and several of its European Axis allies starting on Sunday, 22 June 1941, during World War II. More than 3.8 million Axis troops invaded the western Soviet Union along ...
, their production was stopped for maximizing war efforts. The Kh-class tramcars were finally withdrawn from the city service in the mid-1960s as they had become operationally obsolete; their sturdy construction would have allowed them to be used much longer, but tram systems preferred more modern, better riding, newer trams. A small number of surviving cars are preserved for museum purposes in
Moscow
Moscow is the Capital city, capital and List of cities and towns in Russia by population, largest city of Russia, standing on the Moskva (river), Moskva River in Central Russia. It has a population estimated at over 13 million residents with ...
,
Nizhniy Novgorod
Nizhny Novgorod ( ; rus, links=no, Нижний Новгород, a=Ru-Nizhny Novgorod.ogg, p=ˈnʲiʐnʲɪj ˈnovɡərət, t=Lower Newtown; colloquially shortened to Nizhny) is a city and the administrative centre of Nizhny Novgorod Oblast an ...
,
Saratov
Saratov ( , ; , ) is the largest types of inhabited localities in Russia, city and administrative center of Saratov Oblast, Russia, and a major port on the Volga River. Saratov had a population of 901,361, making it the List of cities and tow ...
and a few other cities.
Soviet tram vehicles
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