T-54/T-55
Soviet main battle tank
The T-54 and T-55 tanks are a series of Soviet medium tanks introduced in the years following the Second World War. The first T-54 prototype was completed at Nizhny Tagil by the end of 1945. From the late 1950s, the T-54 eventually became the main tank for armoured units of the Soviet Army, armies of the Warsaw Pact countries, and many others. T-54s and T-55s have been involved in many of the world's armed conflicts since their introduction in the second half of the 20th century.
The T-54/55 series is the most-produced tank in history. Estimated production numbers for the series range from 96,500 to 100,000. They were replaced by the T-62, T-64, T-72, T-80 and T-90 tanks in Soviet and Russian armies, but are still used by up to 50 other armies worldwide, some having received sophisticated retrofitting. The Chinese version of the T-54A is the Type 59.
During the Cold War, Soviet tanks never directly faced their NATO adversaries in European combat. However, the T-54/55's first appearance in the West around the period of the 1950s (then the beginning of the Cold War) spurred the United Kingdom to develop a new tank gun, the Royal Ordnance L7, and the United States to create the M60 tank.
The public source identifies “T-54/T-55” as soviet main battle tank. This brief keeps that definition visible, then builds a research path around T-54, T-55 and Soviet.
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Contemporary correspondence, administrative files and participant testimony can test how later narratives organized the event or institution. The source revision retrieved here is dated Sep 25, 2026. The linked authority identifier is Q328272. The Library of Congress control number is sh2005004322. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1945.
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This entry incorporates text from “T-54/T-55” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.