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The T-54 and T-55 tanks are a series of
Soviet The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, ...
main battle tank A main battle tank (MBT), also known as a battle tank or universal tank, is a tank that fills the role of armor-protected direct fire and maneuver in many modern armies. Cold War-era development of more powerful engines, better suspension sys ...
s introduced in the years following the
Second World War World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposi ...
. The first T-54 prototype was completed at Nizhny Tagil by the end of 1945.Steven Zaloga, T-54 and T-55 Main Battle Tanks 1944–2004, p. 6 From the late 1950s, the T-54 eventually became the main tank for armoured units of the
Soviet Army uk, Радянська армія , image = File:Communist star with golden border and red rims.svg , alt = , caption = Emblem of the Soviet Army , start_date ...
, armies of the
Warsaw Pact The Warsaw Pact (WP) or Treaty of Warsaw, formally the Treaty of Friendship, Cooperation and Mutual Assistance, was a collective defense treaty signed in Warsaw, Poland, between the Soviet Union and seven other Eastern Bloc socialist republi ...
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 the Soviet and Russian armies, but remain in use by up to 50 other armies worldwide, some having received sophisticated retrofitting. During the
Cold War The Cold War is a term commonly used to refer to a period of geopolitical tension between the United States and the Soviet Union and their respective allies, the Western Bloc and the Eastern Bloc. The term '' cold war'' is used because t ...
, Soviet tanks never directly faced their
NATO The North Atlantic Treaty Organization (NATO, ; french: Organisation du traité de l'Atlantique nord, ), also called the North Atlantic Alliance, is an intergovernmental military alliance between 30 member states – 28 European and two N ...
adversaries in combat in
Europe Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a Continent#Subcontinents, subcontinent of Eurasia ...
. 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 The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...
to develop the M60 tank.


Development history


Predecessors: T-34 and T-44

The Soviet T-34 medium tank of the 1940s is considered to have the best balance of firepower ( F-34 tank gun 76.2 mm gun), protection and mobility for its cost of any tank of its time in the world.Miller, David. ''The Great Book of Tanks'', Salamander Books, London. 2002. 338–341 . Its development never stopped throughout the Second World War and it continued to perform well; however, the designers could not incorporate the latest technologies or major developments as vital tank production could not be interrupted during wartime. In 1943, the Morozov Design Bureau resurrected the pre-war T-34M development project and created the
T-44 tank The T-44 is a medium tank first developed and produced near the end of World War II by the Soviet Union. It was the successor to the T-34, offering an improved ride and cross-country performance, along with much greater armor. Designed to be e ...
. Thanks to a space-efficient torsion-bar suspension, a novel transverse engine mount, and the removal of the hull machine-gunner's crew position, the T-44 had cross country performance at least as good as the T-34, but with substantially superior armour and a much more powerful 85 mm gun. By the time the T-44 was ready for production, the T-34 had also been modified to fit the same gun. Although the T-44 was superior in most other ways, by this time T-34 production was in full swing and the massive numbers of T-34s being built offset any advantage to smaller numbers of a superior design. The T-44 was produced in only small numbers, around 2,000 being completed during the war. Instead, the designers continued to use the design as the basis for further improved guns, experimenting with a 122 mm design, but later deciding a 100 mm gun was a better alternative.


Prototypes

Efforts to fit the 100 mm gun to the T-44 demonstrated that small changes to the design would greatly improve the combination. The main issue was a larger turret ring, which suggested slightly enlarging the hull. A prototype of the new design, about longer and only 10 cm wider, was completed in 1945. This model looked almost identical to the original T-44, albeit with a much larger gun. In testing, there were several drawbacks that needed correcting and many alterations that had to be made to the vehicle's design. It was decided to begin serial production of the new vehicle and the vehicle officially entered service in April 1946. It would go into production in Nizhny Tagil in 1947 and
Kharkiv Kharkiv ( uk, Ха́рків, ), also known as Kharkov (russian: Харькoв, ), is the second-largest city and municipality in Ukraine.
in 1948.


T-54

Production of the initial series of T-54s began slowly as 1,490 modifications were made. The Red Army received a tank that was superior to World War II designs and theoretically better than the newest tanks of potential opponents. The 100 mm gun fired BR-412 series full-calibre APHE ammunition, which had superior penetration ability when compared to the T-34 that it replaced. The serial production version, designated T-54-1, differed from the second T-54 prototype. It had thicker hull armour (80 mm on the sides, 30 mm on the roof and 20 mm on the bottom). As production ramped up, quality problems emerged. Production was stopped and an improved T-54-2 (''Ob'yekt'' 137R) version was designed. Several changes were made and a new turret was fitted. The new dome-shaped turret with flat sides was inspired by the turret from the IS-3 heavy tank; it is similar to the later T-54 turret but with a distinctive overhang at the rear. It also had a shorter bustle. The fender machine guns were removed in favour of a single bow-mounted machine gun. The transmission was modernised and the track was widened to 580 mm. The T-54-2 entered production in 1949, at Stalin Ural Tank Factory No. 183 (Uralvagonzavod). In 1951, a second modernization was made, designated T-54-3 (''Ob'yekt'' 137Sh), which had a new turret without side undercuts, and the new TSh-2-22 telescopic gunner's sight instead of the TSh-20. The tank featured the TDA smoke generating system. A command version was built, the T-54K (''komandirskiy''), with a second R-113 radio.Zaloga 2004, p. 11.


T-54A and T-54B

In the beginning of the 1950s, the personnel of the OKB-520 design bureau of the Stalin Ural Tank Factory No. 183 (Uralvagonzavod) had been changed considerably. Morozov was replaced by Kolesnikow, who in turn was replaced by
Leonid N. Kartsev Leonid (russian: Леонид ; uk, Леонід ; be, Леанід, Ljeaníd ) is a Slavic version of the given name Leonidas. The French version is Leonide. People with the name include: *Leonid Andreyev (1871–1919), Russian playwright a ...
in March 1953. The first decision of the new designer was to fit the 100 mm
D-10T tank gun The D-10 is a Soviet 100 mm tank gun developed in late World War II. It originally equipped the SU-100 tank destroyers and was later selected for the T-55 tank, equipping these as late as 1979. On the T-55 the D-10 continues to be in activ ...
with the STP-1 "Gorizont" vertical stabilizer. The new tank gun received the designation D-10TG and was fitted into the T-54's turret. The new tank received night vision equipment for the driver and was designated T-54A (''Ob'yekt'' 137G). Originally, this had a small muzzle counter-weight, which was later replaced with a fume extractor. It was equipped with an OPVT wading snorkel, the TSh-2A-22 telescopic sight, TVN-1 infrared driver's periscope and IR headlight, a new R-113 radio, multi-stage engine air filter and radiator controls for improved engine performance, an electrical oil pump, a bilge pump, an automatic fire extinguisher and extra fuel tanks. The tank officially entered production in 1954 and service in 1955. It served as a basis for T-54AK command tank, with additional R-112 radio set (front line tanks were equipped with R-113 radio set), TNA-2 navigational device, ammunition load for the main gun decreased by 5 rounds and the AB-1-P/30 charging unit, which was produced in small numbers. In October 1954 a T-54A tank, designated as T-54M (''Ob'yekt'' 139) served as a testbed for new D-54T and D-54TS 100 mm smoothbore guns and "Raduga" and "Molniya" stabilization systems, which were later used in the T-62. These were not completely successful, so further T-55 development continued to use the D-10 series guns. It was fitted with V-54-6 engine developing 581 hp (433 kW). It never went into production. A new version, based on T-54A, designated T-54B (''Ob'yekt'' 137G2), was designed in 1955. It was fitted with a new 100 mm D-10T2S tank gun with STP-2 "Tsyklon" 2-plane stabilizer. It entered production in 1957. During the last four months of production, the new tanks were equipped with an L-2 "Luna" infrared searchlight, a TPN-1-22-11 IR gunner's sight, and an OU-3 IR commander's searchlight. Modern APFSDS ammunition was developed, dramatically enhancing the penetrative performance of the gun to keep it competitive with NATO armour developments. T-54B served as the basis for T-54BK command tank, which had exactly the same additional equipment as the T-54AK command tank.


T-55

Trials with nuclear weapons showed that a T-54 could survive a 2–15 kt nuclear charge at a range of more than from the epicentre, but the crew had a chance of surviving at a minimum of . It was decided to create an NBC (nuclear, biological, and chemical) protection system which would start working 0.3 seconds after detecting gamma radiation. The task of creating a basic PAZ (''Protivoatomnaya Zashchita'') NBC protection system offering protection against the blast of a nuclear weapon and (radioactive) particulate filtration, but not against external gamma radiation or gas, was given to the
KB-60 design bureau Kharkiv Morozov Machine Building Design Bureau ( ua, Харківське Конструкторське Бюро з Машинобудування ім. О.О. Морозова, or ХКБМ, KhKBM), often simply called Morozov Design Bureau or a ...
in Kharkiv and was completed in 1956. The documentation was sent to Uralvagonzavod. It was decided to increase the tank's abilities by changing its construction and introducing new production technologies. Many of those changes were initially tested on the T-54M (''Ob'yekt'' 139). The tank was fitted with the new V-55 12-cylinder four-stroke one-chamber, 38.88-litre water-cooled diesel engine developing 581 hp (433 kW). Engine power was increased by raising the pressure of the fuel delivery and charging degree. The designers planned to introduce a heating system for the engine compartment and MC-1 diesel fuel filter. The engine was to be started pneumatically with the use of an AK-150S charger and an electric starter. This eliminated the need for the tank to carry a tank filled with air. To allow easier access during maintenance and repairs, it was decided to change hatches over the engine compartment. To increase the operational range, fuel tanks were added to the front of the hull, increasing the overall fuel capacity to . The ammunition load for the main gun was increased from 34 to 45, with 18 shells stored in so-called "wet containers" located in hull fuel tanks (the concept for which came from Kartsev's cancelled ''Ob'yekt'' 140). The ammunition load included high explosive-fragmentation and anti-tank rounds and designers also planned to introduce the BK5M high-explosive anti-tank (HEAT) rounds which penetrated thick armour. The TPKU commander's vision device was replaced by either the TPKUB or TPKU-2B. The gunner received a TNP-165 vision device. The loader's hatch-mounted 12.7 mm DShK anti-aircraft heavy machine gun was dropped, because it was deemed worthless against high-performance jets. The tank was supposed to be equipped with the "Rosa" fire protection system. The tank had a thicker turret casting and the improved two-plane gun stabilization system from the T-54B, and night vision fighting equipment. To balance the weight of the new equipment, the armour on the back of the hull was thinned slightly. The T-55 was superior to the IS-2, IS-3, and T-10 heavy tanks in many respects, including the rate of fire of the gun (at least four compared to fewer than three rounds per minute). Despite somewhat thinner frontal turret armour ( instead of ) it compared favourably with the IS-3, due to its improved antitank gun and better mobility. Heavy tanks soon fell from favour, with only 350 IS-3s produced.Sewell, Stephen, CW2 (rtd). "Why Three Tanks?" (''Armor'', July–August 1998), p. 26. The old model of highly mobile medium tanks and heavily armoured heavy tanks was replaced by a new paradigm: the "
main battle tank A main battle tank (MBT), also known as a battle tank or universal tank, is a tank that fills the role of armor-protected direct fire and maneuver in many modern armies. Cold War-era development of more powerful engines, better suspension sys ...
". Parallel developments in the West would produce similar results. Kartsev combined all the ongoing improvements being offered, or planned, on the T-54 into one design. This became the ''Ob'yekt'' 155, and entered production at Uralvagonzavod 1 January 1958 as the T-55.Sewell, p.27. It was accepted for service with the Red Army on 8 May. It suffered a significant lapse in one area: there was no antiaircraft machine gun, which had been present on the T-54. After 1959, it served as a basis for the T-55K command tank which was equipped with an additional R-112 radio set, an AB-1-P/30 fuel powered accumulator charging unit, and TPN-1-22-11 night vision sight. All this additional equipment made it necessary to decrease the ammunition load for the main gun to 37 rounds and eliminate the bow machine gun. In the beginning of the 1960s, a T-55K was experimentally fitted with a ''Uran'' TV relay apparatus for battlefield surveillance. The tank was fitted with an external camera, the picture from which was relayed to a receiver in a BTR-50PU command vehicle. There was an observation camera mounted on a folding mast which was in turn mounted on a
UAZ 69 UAZ or Ulyanovsky Avtomobilny Zavod (russian: Ульяновский Автомобильный Завод, УАЗ, Ulyanovsky Avtomobilny Zavod, UAZ, Ulyanovsk Automobile Plant, UAZ) is an automobile manufacturer based in Ulyanovsk, Russia, ...
car. The range within which the picture could be relayed varied between . In 1961, a T-55 tank was used to test the "Almaz" TV complex, which was supposed to replace the standard observation devices right after a nuclear explosion or while fording a body of water. There was a camera mounted on the hull for the driver and two cameras mounted on the turret, one for aiming and one for observation, and the picture from the cameras was relayed to two control screens. The tank had the front hull fuel tanks and bow machine gun removed. The commander was seated in the driver's usual position while the driver sat next to him. The cameras allowed battlefield observation and firing during daytime at ranges between . Because of the low quality of the equipment, the trials gave negative results. In the beginning of the 1960s, the OKB-29 design bureau in Omsk was working on adapting the tank to use a GTD-3T gas turbine engine developing 700 hp (522 kW). One T-55 tank fitted with this gas turbine engine passed trials but was deemed unsatisfactory and the design did not go into production. The Omsk OKB-29 group tested three experimental T-55 tanks (designated ''Ob'yekt'' 612) between 1962 and 1965 that were fitted with an automatic gearbox controlled by electro-hydraulic systems. The trials found that such gearboxes were prone to frequent breakdowns in tanks. At the same time the ''Ob'yekt'' 155ML, a T-55 fitted with a launcher for three 9M14 "''Malyutka''" (NATO code: AT-3 Sagger) ATGMs mounted on the rear of the turret, was tested. Along with standard tanks a flamethrower-armed version was designed (designated TO-55 (''Ob'yekt'' 482)), which was produced until 1962. It was fitted with 460-litre tanks filled with flammable liquid instead of the frontal hull fuel tanks. The flamethrower replaced the coaxial machine gun. This was a much better way to mount a flamethrower than in the experimental ''Ob'yekt'' 483, based on the T-54 tank, where the flamethrower replaced the main gun. TO-55 flamethrower tanks were withdrawn from service in 1993.


T-55A

In 1961, development of improved NBC protection systems began. The goal was to protect the crew from fast neutrons; adequate protection against gamma radiation was provided by the thick armour and a PAZ basic NBC protection system. The POV plasticized lead antiradiation lining was developed to provide the needed protection. It was installed in the interior, requiring the driver's hatch and the
coaming Coaming is any vertical surface on a ship designed to deflect or prevent entry of water. It usually consists of a raised section of deck plating around an opening, such as a cargo hatch. Coamings also provide a frame onto which to fit a hatch cove ...
s over the turret hatches to be noticeably enlarged. This liner had the added benefit of protecting the crew from fragments of penetrated armour. The tank was equipped with a full PAZ/FVU chemical filtration system. The coaxial 7.62 mm SGMT machine gun was replaced by a 7.62 mm PKT machine gun. The hull was lengthened from 6.04 m to 6.2 m. The hull machine gun was removed, making space for six more main gun rounds. These changes increased the weight of the vehicle to 38 tonnes. The design work was done by OKB-520 design bureau of Uralvagonzavod under the leadership of Leonid N. Kartsev. The T-55A served as the basis for the T-55AK command tank.


T-54/T-55 upgrades

In its long service life, the T-55 has been upgraded many times. Early T-55s were fitted with a new TSh-2B-32P sight. In 1959, some tanks received mountings for the PT-55 mine clearing system or the BTU/BTU-55 plough. In 1967, the improved 3BM-8 APDS round, which could penetrate 275 mm thick armour at a range of 2 km, was introduced. In 1970, new and old T-55 tanks had the loader's hatch modified to mount the 12.7 mm
DShK machine gun The DShK 1938 (Cyrillic: ДШК, for russian: Дегтярёва-Шпагина Крупнокалиберный, Degtyaryova-Shpagina Krupnokaliberny, links=no, "Degtyaryov-Shpagin large-calibre") is a Soviet heavy machine gun with a V-shaped but ...
, to deal with the threat of attack helicopters. Starting in 1974, T-55 tanks received the KTD-1 or KTD-2 laser rangefinder in an armoured box over the mantlet of the main gun, and the R-123 or R-123M radio set. Simultaneously, efforts were made to modernize and increase the lifespan of the drive train. During production, the T-55A was frequently modernised. In 1965, a new track was introduced that could be used for between 2,000 km and 3,000 km, which was twice the range of the old track. It needed a new drive sprocket, with 14 teeth instead of 13. Since 1974, T-55A tanks were equipped with a KTD-1 "Newa" rangefinder and a TSzS-32PM sight. All T-55A tanks were equipped with the TPN-1-22-11 night sight. The R-113 radio set was replaced by a R-123 radio set. Late production models had rubber side skirts and a driver's windshield for use during longer stints. T-54 and T-55 tanks continued to be upgraded, refitted, and modernised into the 1990s. Advances in armour-piercing and high-explosive anti-tank (HEAT)
shaped charge A shaped charge is an explosive charge shaped to form an explosively formed penetrator (EFP) to focus the effect of the explosive's energy. Different types of shaped charges are used for various purposes such as cutting and forming metal, ini ...
ammunition would improve the gun's antitank abilities in the 1960s and 1980s. A wide array of upgrades in different price ranges are provided by many manufacturers in different countries, intended to bring the T-54/55 up to the abilities of newer MBTs, at a lower cost. Upgrades include new engines, explosive reactive armour, new main armament such as 120 mm or 125 mm guns, active protection systems, and fire control systems with range-finders or thermal sights. These improvements make it a potent main battle tank (MBT) for the low-end budget, even to this day. One of these upgrade packages was produced by Cadillac Gage Textron and a prototype named the Jaguar was produced. The Jaguar looked quite different from its predecessors. A newly designed turret was formed by flat armour plates installed at different angles. The hull top was new. The engine compartment and fuel tanks on the shelves over the tracks were armour-protected. The Soviet-made 100 mm gun was replaced with the American M68 105 mm rifled gun fitted with a thermal sleeve. A Marconi fire control system which was originally developed for the American light tank Stingray was fitted. The vehicle incorporated a Cadillac-Gage weapon stabilizer and gunner's sight equipped with an integral laser rangefinder. The power pack inherited by the Jaguar from the Stingray underwent only minor alterations and comprised the Detroit Diesel 8V-92TA engine and XTG-411 automatic transmission. In 1989, two Jaguar tanks were manufactured. The chassis were provided by PRC, while the hull tops, turrets and powerplants were manufactured by Cadillac Gage Textron. Another prototype upgrade package was produced by Teledyne Continental Motors (now General Dynamics Land Systems) for the Egyptian Army and was known as the T-54E. After further modifications and trials it was sent into mass production and received the designation Ramses II. As late as 2013, Ukrainian companies were reportedly developing T-55 main battle tank upgrades targeting the export market. The Type 59 is still in production, in several variants.


Description

The T-54 and T-55 have a cabin layout shared with many post-World War II tanks, with the fighting compartment in the front, engine compartment in the rear, and a dome-shaped
turret Turret may refer to: * Turret (architecture), a small tower that projects above the wall of a building * Gun turret, a mechanism of a projectile-firing weapon * Objective turret, an indexable holder of multiple lenses in an optical microscope * M ...
in the center of the hull. The driver's hatch is on the front left of the hull roof. In the turret, the commander is seated on the left, with the gunner to his front and the loader on the right. The tank has a ''flat track'', meaning no support rollers, the suspension has the drive
sprocket A sprocket, sprocket-wheel or chainwheel is a profiled wheel with teeth that mesh with a chain, track or other perforated or indented material. The name 'sprocket' applies generally to any wheel upon which radial projections engage a chain pas ...
at the rear, and dead track. Engine exhaust is on the left fender. There is a prominent gap between the first and second road wheel pairs, a distinguishing feature from the T-62, which has progressively larger spaces between road wheels towards the rear. The T-54 and T-55 tanks are outwardly very similar and difficult to distinguish visually. Many T-54s were also updated to T-55 standards, so the distinction is often downplayed with the collective name ''T-54/55''. Soviet tanks were factory-overhauled every 7,000 km and often given minor technology updates. Many states have added or modified the tank's equipment; India, for example, affixed fake fume extractors to its T-54s and T-55s so that its gunners would not confuse them with Pakistani Type 59s.Zaloga 2004, p. 41. The older T-54 can be distinguished from the T-55 by a dome-shaped ventilator on the front right of the turret and a driver-operated SGMT 7.62 mm machine gun mounted to fire through a tiny hole in the center of the hull's front. Early T-54s lacked a gun fume extractor, had an undercut at the turret's rear, and a distinctive "pig-snout" gun mantlet.


Advantages and drawbacks

The T-54/55 tanks are mechanically simple and robust. They are very simple to operate compared to Western tanks, and do not require a high level of training or education in their crewmen. The T-54/55 is a relatively small main battle tank, presenting a smaller target for its opponents to hit. The tanks have good mobility thanks to their relatively light weight (which permits easy transport by rail or flatbed truck and allows crossing of lighter bridges), wide tracks (which give lower ground pressure and hence good mobility on soft ground), a good cold-weather start-up system and a snorkel that allows river crossings. According to Zaloga, "By the standards of the 1950s, the T-54 was an excellent tank combining lethal firepower, excellent armour protection and good reliability" while remaining a significantly smaller and lighter tank than its NATO contemporaries—the US
M48 Patton tank The M48 Patton is an American first-generation main battle tank (MBT) introduced in February 1952, being designated as the 90mm Gun Tank: M48. It was designed as a replacement for the M26 Pershing, M4 Sherman, M46 and M47 Patton tanks, and wa ...
and the British Centurion tank. The 100 mm D-10T tank gun of the T-54 and the T-55 was also more powerful than its Western counterparts at that time (the M48 Patton initially carried a 90 mm tank gun and the Centurion Mk. 3 carried the 20-pounder (84 mm) tank gun). This advantage lasted until the T-54 began to be countered by newer Western developments like the M60 main battle tank and upgraded Centurions and M48 Pattons using the 105 mm rifled Royal Ordnance L7 or M68 gun. Due to the lack of a sub-caliber round for the 100 mm gun, and the tank's simple fire-control system, the T-54/55 was forced to rely on HEAT ammunition to engage tanks at long range well into the 1960s, despite the relative inaccuracy of this ammunition at long ranges. The Soviets considered this acceptable for a potential European conflict, until the development of composite armour began reducing the effectiveness of HEAT warheads and kinetic energy penetrator sabot rounds were developed for the D-10T gun. Nevertheless, T-54/55 tanks had their drawbacks. Small size is achieved at the expense of interior space and ergonomics, which causes practical difficulties, as it constrains the physical movements of the crew and slows operation of controls and equipment. This is a common trait of most Soviet tanks and hence height limits were set for certain tank crew positions in the Soviet Army, whereas other armies may not include crew member height limits as standards. The low turret profile of the tanks prevents them from depressing their main guns by more than 5° since the breech would strike the ceiling when fired, which limits the ability to cover terrain by fire from a hull-down position on a reverse slope. As in most tanks of that generation, the internal ammunition supply is not shielded, increasing the risk that any enemy penetration of the fighting compartment could cause a catastrophic secondary explosion. The T-54 lacks NBC protection, and a turret basket, which meant that crewmen had to physically rotate and keep up with a rotating turrent as the hull in which they stood didn't move with the turret. Additionally, early models also lacked gun stabilization. Most of these problems were corrected in the otherwise largely identical T-55 tank. Together, the T-54/55 tanks have been manufactured in the tens of thousands, and many still remain in reserve, or even in front-line use among lower-technology fighting forces. Abundance and age together make these tanks cheap and easy to purchase.


Production history


Soviet Union

T-54-1 production was slow at first, as only 3 vehicles were built in 1946 and 22 in 1947. 285 T-54-1 tanks were built in 1948 by Stalin Ural Tank Factory No. 183 ( Uralvagonzavod); by then it had completely replaced T-44 production at Uralvagonzavod, and Kharkiv Diesel Factory No. 75 (KhPZ). Production was stopped because of a low level of production quality and frequent breakdowns. The T-54-2 entered production in 1949 at Uralvagonzavod, which produced 423 tanks by the end of 1950. It replaced the T-34 in production at the Omsk Factory No. 183 in 1950. In 1951, over 800 T-54-2 tanks were produced. The T-54-2 remained in production until 1952. The T-54A was produced between 1955 and 1957. The T-54B was produced between 1957 and April 1959. The T-55 was produced by Uralvagonzavod between 1958 and 1962. The T-55K command tank was produced from 1959. The TO-55 (''Ob'yekt'' 482) flamethrower tank was produced until 1962. Overall 35,000 T-54-1, T-54-2, T-54 (T-54-3), T-54A, T-54B, T-54AK1, T-54AK2, T-54BK1 and T-54BK2 tanks were produced between 1946 and 1958 and 27,500 T-55, T-55A, T-55K1, T-55K2, T-55K3, T-55AK1, T-55AK2 and T-55AK3 tanks were produced between 1955 and 1981.


Poland

Poland produced 3,000 T-54, T-54A, T-54AD and T-54AM tanks between 1956 and 1964 and 7,000 T-55 (between 1964 and 1968), T-55L, T-55AD-1 and T-55AD-2 tanks (between 1968 and 1979).


Czechoslovakia

Czechoslovakia , rue, Чеськословеньско, , yi, טשעכאסלאוואקיי, , common_name = Czechoslovakia , life_span = 1918–19391945–1992 , p1 = Austria-Hungary , image_p1 ...
produced 2,700 T-54A, T-54AM, T-54AK, T-54AMK tanks (between 1957 and 1966) and 8,300 T-55 and T-55A tanks (between 1964 and 1983; T-55A was probably produced since 1968). Most of them were for export.


Service history


Soviet Union and Russia

The T-54/55 and the T-62 were the two most common tanks in Soviet inventory—in the mid-1970s the two tank types together comprised approximately 85% of the Soviet Army's tanks. Soviet T-54 tanks served in combat during the Hungarian Revolution in 1956 and a few were successfully knocked out by the defending anti-Soviet Hungarian resistance-fighters and rebels using Molotov cocktails and several anti-tank guns. The local anti-communist revolutionaries delivered one captured T-54A to the British Embassy in
Budapest Budapest (, ; ) is the capital and most populous city of Hungary. It is the ninth-largest city in the European Union by population within city limits and the second-largest city on the Danube river; the city has an estimated population o ...
, the analyses and studies of which helped and spurred the development of the Royal Ordnance L7 105 mm tank gun. At the initial stage of the war in Afghanistan in 1979–1980, about 800 Soviet tanks were used, consisting of 39 battalions, mainly armed with T-54s and T-55s. In 1979, only one T-55 tank was lost. Since the beginning of 1980, they began to be replaced by modern T-62 and T-64 tanks. The T-62 and the T-55 were auctioned off in 2012, with all Russian active-duty military units mainly operating the T-72, the T-80 and the T-90. However, T-62s were spotted in Melitopol in the 2022 Ukraine War.


Middle East

During the 1967
Six-Day War The Six-Day War (, ; ar, النكسة, , or ) or June War, also known as the 1967 Arab–Israeli War or Third Arab–Israeli War, was fought between Israel and a coalition of Arab states (primarily Egypt, Syria, and Jordan) from 5 to 10 ...
, U.S.-supplied M48 Patton tanks, British Centurion tanks, and even upgraded World War II–era Sherman tanks faced T-55s. This mix of Israeli tanks, combined with superior planning of operations and superior airpower, proved to be more than capable of dealing with the T-54/T-55 series.Zaloga 1996. During the 1970 Jordanian Civil War, Syrian tanks inflicted heavy losses on Jordanian Centurions. In one case, a squadron of T-55s stopped the advance of a large Jordanian column, with 19 Centurions destroyed and up to 10 Syrian T-55s lost in the battle. According to Israeli intelligence, Jordan lost 75 to 90 tanks out of 200 involved, most to Syrian T-55 fire at ar-Ramtha. In turn total Syrian tank losses accounted to 62 T-55 mostly breakdowns left on enemy territory. By the 1973
Yom Kippur War The Yom Kippur War, also known as the Ramadan War, the October War, the 1973 Arab–Israeli War, or the Fourth Arab–Israeli War, was an armed conflict fought from October 6 to 25, 1973 between Israel and a coalition of Arab states led by E ...
, the T-54A and T-55's gun was starting to lose its competitive effectiveness relative to the 105 mm Royal Ordnance L7 gun mounted in
Israel Israel (; he, יִשְׂרָאֵל, ; ar, إِسْرَائِيل, ), officially the State of Israel ( he, מְדִינַת יִשְׂרָאֵל, label=none, translit=Medīnat Yīsrāʾēl; ), is a country in Western Asia. It is situated ...
i Centurion Mk V and M60A1 tanks. Israeli tanks fitted with the L7 105mm gun suffered greatly from the new Soviet HEAT 3BК5 ammunition fired by the T-55s. Israel captured many from
Egypt Egypt ( ar, مصر , ), officially the Arab Republic of Egypt, is a List of transcontinental countries, transcontinental country spanning the North Africa, northeast corner of Africa and Western Asia, southwest corner of Asia via a land bridg ...
in 1967, along with a few T-55s from
Syria Syria ( ar, سُورِيَا or سُورِيَة, translit=Sūriyā), officially the Syrian Arab Republic ( ar, الجمهورية العربية السورية, al-Jumhūrīyah al-ʻArabīyah as-Sūrīyah), is a Western Asian country loc ...
, and kept some of them in service. They were upgraded with a 105 mm NATO-standard L7 or M68, a US version of the L7, replacing the old Soviet 100 mm D-10, and a General Motors diesel replacing the original Soviet diesel engine. The Israelis designated these ''Tiran-5'' medium tanks, and they were used by reserve units until the early 1990s. Most of these were then sold to assorted Third World countries, some of them in Latin America, and the rest were heavily modified, converted into the ''Achzarit'' heavy armoured personnel carrier. In the
Lebanese Civil War The Lebanese Civil War ( ar, الحرب الأهلية اللبنانية, translit=Al-Ḥarb al-Ahliyyah al-Libnāniyyah) was a multifaceted armed conflict that took place from 1975 to 1990. It resulted in an estimated 120,000 fatalities a ...
, on 10 June 1982, eight Israeli M48A3s, two M60A1s and at least three M113 APCs were lost in an ambush by Syrian T-55 tanks and BMP-1 APCs during the
Battle of Sultan Yacoub The Battle of Sultan Yacoub was a battle between Syria and Israel during the 1982 Lebanon War, which occurred near the village of Sultan Yacoub in the Lebanese Bekaa, close to the borders with Syria. Background At the beginning of the invas ...
. The tank was heavily used during the
Iran–Iraq War The Iran–Iraq War was an armed conflict between Iran and Iraq that lasted from September 1980 to August 1988. It began with the Iraqi invasion of Iran and lasted for almost eight years, until the acceptance of United Nations Security Counci ...
of 1980–88. T-54/55 participated in the biggest tank battle of the war in early 1981.
Iran Iran, officially the Islamic Republic of Iran, and also called Persia, is a country located in Western Asia. It is bordered by Iraq and Turkey to the west, by Azerbaijan and Armenia to the northwest, by the Caspian Sea and Turkmeni ...
lost 214 Chieftain and M60A1 tanks in the battle. In return,
Iraq Iraq,; ku, عێراق, translit=Êraq officially the Republic of Iraq, '; ku, کۆماری عێراق, translit=Komarî Êraq is a country in Western Asia. It is bordered by Turkey to Iraq–Turkey border, the north, Iran to Iran–Iraq ...
lost 45 T-55 and T-62 tanks. Another known tank battle occurred on 11 October 1980, when a large Iranian convoy supported by battalion of Chieftains (92nd Division) was ambushed by battalion of Iraqi T-55s (26th Brigade). During the battle, the Iranians lost 20 Chieftains plus other armoured vehicles and withdrew. Many of Iraqi T-55s saw action during Operation Desert Storm in Iraq and Kuwait in January/February 1991, and during the 2003 US/UK invasion of Iraq with poor results.


Vietnam War

During the Vietnam War, the
North Vietnamese Army The People's Army of Vietnam (PAVN; vi, Quân đội nhân dân Việt Nam, QĐNDVN), also recognized as the Vietnam People's Army (VPA) or the Vietnamese Army (), is the military force of the Socialist Republic of Vietnam and the armed wi ...
(NVA) used T-54s, along with its Chinese-built copy (the Type 59), extensively against the South Vietnamese ARVN and their allied US forces. The NVA and the ARVN engaged each other with tanks for the first time during Operation Lam Son 719 in February 1971. During that battle, 17 M41 Walker Bulldog light tanks of the ARVN's 1st Armoured Brigade claimed destroy 22 NVA tanks, a total of 6 T-54s and 16 PT-76 light amphibious tanks, at no loss to themselves, but their friendly units lost 5 M41s and 25 armoured personnel carriers (APCs), mainly M113 APCs. On Easter Sunday, 2 April 1972, the newly activated 20th Tank Regiment of the ARVN, comprising approximately 57 M48A3 Patton main battle tanks (note that ARVN ''regiments'' were equivalent to US ''battalions'', and ARVN ''squadrons'' were equivalent to US ''companies'' or ''troops'')Starry. received reports from friendly intelligence units of a large NVA armoured column moving towards Dong Ha, the largest South Vietnamese city near the Vietnamese DMZ located on the 17th Parallel. At about noontime, the tank crewmen of the ARVN's 1st Squadron observed enemy armour moving south along Highway 1 towards Dong Ha and promptly concealed their tanks on high ground with a good vantage point against their enemy. Waiting for the NVA tank column to close to between 2500 and 3000 meters, the 90mm main guns of the Patton tanks opened fire and quickly destroyed nine PT-76s and two T-54 tanks. The surviving NVA armour, unable to locate their enemy's positions, hastily turned about and withdrew shortly afterwards. On 9 April 1972, all three squadrons of the 20th Tank Regiment (57 M48 tanks) fought hard against enemy armour, firing upon NVA tanks accompanied by large masses of infantry, again while occupying the strategically important high ground. This time, similarly, the Pattons opened fire at approximately 2800 meters. A few answering-shots from the North Vietnamese T-54s fell short and the NVA tanks began to scatter after suffering considerable losses and heavy casualties. By the end of the day, the 20th claimed destroy sixteen T-54s and captured one Type 59 at no loss to themselves. (The NVA confirmed six tank were destroyed) NVA armoured units equipped with the T-54 tank achieved one of their greatest victories in April 1972 when the NVA 203rd Armoured Regiment attacked the ARVN's 22nd Infantry Division based at
Tân Cảnh Base Camp Tân Cảnh Base Camp (also known as Đắk Tô 1) is a former U.S. Army and Army of the Republic of Vietnam (ARVN) base northwest of Kon Tum in the Central Highlands of Vietnam. History 1962–67 The 5th Special Forces Group Detachment A-33 ...
, which dominated a main route into the city of
Kon Tum Kon Tum is the capital city of Kon Tum Province in Vietnam. It is located inland in the Central Highlands region of Vietnam, near the borders of Laos and Cambodia. History After the People's Army of Vietnam invaded South Vietnam on March 30, 1 ...
, located near the 17th Parallel. After a two-day-long intense artillery barrage, eighteen T-54 tanks from the NVA side attacked the South Vietnamese infantry camp at dawn from two different directions, thus breaking apart the ARVN unit into two and splitting up its forces, which quickly abandoned its positions and withdrew.Dunstan. T-54 tank No. 377 had managed to destroy seven ARVN M41s before it was finally destroyed by M72 LAW anti-tank rocket launchers fielded by the South Vietnamese infantry. The NVA destroyed 18 M41 light tanks together with 31 M113 APCs and captured 17 M41s as intact, while losing only two T-54 tanks and one PT-76 tank in the armoured skirmish. At the very end of the Vietnam War on the 30 April 1975, an NVA T-54 tank smashed through the opulent main gate of the RVN Presidential Palace in their capital city of Saigon, accompanied by onrushing North Vietnamese troops, at the conclusion of North Vietnam's conquering of the South. This widely seen image has come to be regarded by many as perhaps the defining moment of the end of the bloody 20-year-long conflict in Vietnam, and the fall of Republic of Vietnam and the imminent end of American participation in anti-communist activities in that region of Southeast Asia. According to the Pentagon, during the
1975 Spring Offensive The 1975 spring offensive ( vi, chiến dịch mùa Xuân 1975), officially known as the general offensive and uprising of spring 1975 ( vi, Tổng tiến công và nổi dậy mùa Xuân 1975) was the final North Vietnamese campaign in the Vi ...
, the ARVN forces lost 250 M48A3 tanks, 300 M41 tanks, 1,381 M113 APCs, 1,607 guns, 200 RCL guns and 63,000 M72 LAWs. During the Vietnam war, NVA tank units were involved in 211 battles, claimed 20,000+ enemy killed, destroyed more than 2,000 enemy tanks/APCs, 870 other military vehicles, and 3,500 enemy bunkers, and shot down 35 aircraft or helicopters, overwhelmingly using T-54s. The NVA lost an estimated 250 (1972 - 150, 1973-1975 - 100) T-54s during the war. Following the Vietnam War, Vietnam's T-54/55s and Type 59s continued to see much combat activity against neighbouring Cambodia and China to their north between 1978 and 1979. Just like many developing countries around the world which continue to operate the T-54/55, at least 900 T-54s, along with a similar number of T-55s and Type 59s, are still in active military service with the Socialist Republic of Vietnam until the present day. Some of them are slated to be replaced by the more modern T-90S/SK.


Ogaden War

During the largest tank battle of the Ogaden War - the Battle of Jijiga (August–September 1977), 124 Somali tanks, mostly T-55s, defeated 108 Ethiopian tanks, mainly
M47 Patton The M47 Patton was an American main battle tank, a development of the M46 Patton mounting an updated turret, and was in turn further developed as the M48 Patton. It was the second American tank to be named after General George S. Patton, comm ...
s and M41 Walker Bulldogs. The Ethiopians lost 43 tanks during the battle.


Angola

T-54/T-55s began appearing in Southern Africa in the late 1970s, when many emerging Marxist states, particularly
Angola , national_anthem = "Angola Avante"() , image_map = , map_caption = , capital = Luanda , religion = , religion_year = 2020 , religion_ref = , coordinat ...
and Mozambique, were bolstered with modern Soviet military hardware. The T-55's dependability and ruggedness proved well-suited to the local combat environments.Cuban Tanks, II part, Rubén Urribarres, 2001 Survivability of opposing medium-armour vehicles deployed by UNITA and the South African Defence Force (SADF) against late model MBTs used in the Angolan Civil War remained a major concern throughout that conflict.
Angolan Army The Angolan Army () is the land component of the Angolan Armed Forces (FAA). History On August 1, 1974, a few months after a military coup d'état had overthrown the Lisbon regime and proclaimed its intention of granting independence to Angol ...
T-54s were first blooded during
Operation Askari Operation Askari was a military operation during 1983 in Angola by the South African Defence Force (SADF) during the South African Border War. Background Operation Askari, launched on 6 December 1983, was the SADF's sixth large-scale cro ...
, in 1981. At least five were subsequently destroyed in encounters with South African Eland or Ratel-90 armoured cars, and some were captured. Soviet sources confirm that many T-55s were penetrated by an Eland's 90 mm low-pressure gun. Nevertheless, multiple HEAT rounds were needed to guarantee sufficient damage against a T-55's frontal arc and SADF anti-tank teams forced to operate in platoons accordingly. During the
Battle of Cuito Cuanavale The Battle of Cuito Cuanavale was fought intermittently between 14 August 1987 and 23 March 1988, south and east of the town of Cuito Cuanavale, Angola, by the People's Armed Forces for the Liberation of Angola (FAPLA) and advisors and soldie ...
, another three T-55s of Angola's 21st Brigade were shot out by Ratel tank destroyers armed with ZT3 Ingwe ATGMs near the Lomba River. On 9 November 1987, an engagement between South African and Angolan tanks occurred when thirteen Olifant Mk1As eliminated two T-55s in a nine-minute skirmish. T-55s again participated in a critical engagement near Cuito Cuanavale on 14 February 1988, when Cuba's 3rd Tank Battalion counter-attacked to spare Angola's 16th Brigade virtual annihilation by
61 Mechanised Infantry Battalion Group 61 Mechanised Battalion Group was a unit of the South African Infantry Corps; although it was classed as mechanized infantry, it was a combined arms force consisting of infantry, armour and artillery. History Combat Group Juliet General Constan ...
and the 4th South African Infantry Battalion. Six T-55s were lost (three to RPGs, three to Olifants, one more was damaged), but the attack blunted the South African advance, safeguarding the cohesion of the Angolan line. Cuban and Soviet sources maintain that they destroyed ten Olifant tanks and twelve Ratels, while South African and Western sources maintain that only one Olifant and one Ratel were damaged, and one Ratel destroyed.


India and Pakistan

The
Indian Army The Indian Army is the Land warfare, land-based branch and the largest component of the Indian Armed Forces. The President of India is the Commander-in-Chief, Supreme Commander of the Indian Army, and its professional head is the Chief of Arm ...
has used their T-54s and T-55s extensively in its conflicts with Pakistan between the 1970s to the 1980s. Pakistan also used some T-54As and Chinese Type 59 copies. The first meeting of the T-55 with enemy tanks occurred in the area of Garibpur on November 22, 1971. Indian T-55 tanks (63 Cavalry) destroyed 3 Pakistani M24 Chaffee tanks (29 Cavalry) in the area. On December 10–11, during the Battle of Nainakot, Indian T-55s (14 Cavalry Scinde Horse) in two battles destroyed 9 Pakistani M47/48 tanks (33 Cavalry), without any loss.
Battle of Basantar The Battle of Basantar also known as the Battle of Shakargarh or Battle of Barapind (December 4–16, 1971) was one of the vital battles fought as part of the Indo-Pakistani War of 1971 in the western sector of India. The Indian troops won a ha ...
or the Battle of Barapind (December 4–16, 1971) was one of the vital battles fought as part of the Indo-Pakistani War of 1971 in the western sector of India. India had destroyed close to 46 M48 tanks and losing only 10 tanks in the process.


Other conflicts

T-54 tanks were used during the Cambodian Civil War and the
Cambodian–Vietnamese War The Cambodian–Vietnamese War ( km, សង្គ្រាមកម្ពុជា-វៀតណាម, vi, Chiến tranh Campuchia–Việt Nam), known in Vietnam as the Counter-offensive on the Southwestern border ( vi, Chiến dịch Phản ...
between the 1970s to the 1980s. During the Ugandan-Tanzanian War of 1978 to 1979,
Libya Libya (; ar, ليبيا, Lībiyā), officially the State of Libya ( ar, دولة ليبيا, Dawlat Lībiyā), is a country in the Maghreb region in North Africa. It is bordered by the Mediterranean Sea to the north, Egypt to the east, Suda ...
sent an expeditionary military force to aid Ugandan dictator
Idi Amin Idi Amin Dada Oumee (, ; 16 August 2003) was a Ugandan military officer and politician who served as the third president of Uganda from 1971 to 1979. He ruled as a military dictator and is considered one of the most brutal despots in modern w ...
in his conflict with Tanzania, which included the supply of a few dozen T-54/55 tanks. Some of these tanks saw action against Tanzanian forces., with at least limited success. Polish T-55L tanks were deployed during the imposition of martial law in their country to intimidate the population (seemingly growing ever-more anti-communist) and to suppress overt displays against their communist government. The T-55 was the most numerous tank of the Yugoslav People's Army (JNA). It was the mainstay of armoured combat units during the
Yugoslav Wars The Yugoslav Wars were a series of separate but related Naimark (2003), p. xvii. ethnic conflicts, wars of independence, and insurgencies that took place in the SFR Yugoslavia from 1991 to 2001. The conflicts both led up to and resulted from ...
, where it proved vulnerable to infantry equipped with anti-tank rockets and weaponry and to misemployment in urban areas and unfriendly terrain. But there were too many of them in service for them to be replaced entirely. During the
Battle of Vukovar The Battle of Vukovar was an 87-day siege of Vukovar in eastern Croatia by the Yugoslav People's Army (JNA), supported by various paramilitary forces from Serbia, between August and November 1991. Before the Croatian War of Independence the Bar ...
, where the JNA grouped a large part of its tank force, a number were destroyed, almost exclusively by infantry-carried anti-tank weapons. The T-55 tank remained the most common tank in the armies of the various Yugoslavian successor states until recently and it was the most-used tank by all armies during the decades-long wars. T-55s were also used by Yugoslavia in the
Kosovo War The Kosovo War was an armed conflict in Kosovo that started 28 February 1998 and lasted until 11 June 1999. It was fought by the forces of the Federal Republic of Yugoslavia (i.e. Serbia and Montenegro), which controlled Kosovo before the war ...
and in Macedonia during the
2001 insurgency in Macedonia The 2001 insurgency in Macedonia was an armed conflict which began when the ethnic Albanian National Liberation Army (NLA) militant group, formed from veterans of the Kosovo War and Insurgency in the Preševo Valley, attacked Macedonian Arm ...
, and by Russian peacekeepers after the withdrawal of Yugoslav forces from Kosovo. The Kosovo Liberation Army (National Liberation Army of Kosovo) captured a T-55 from the Macedonian army during the battle of Raduša. The T-55 has been used by
Ethiopia Ethiopia, , om, Itiyoophiyaa, so, Itoobiya, ti, ኢትዮጵያ, Ítiyop'iya, aa, Itiyoppiya officially the Federal Democratic Republic of Ethiopia, is a landlocked country in the Horn of Africa. It shares borders with Eritrea to the ...
in the conflict with the Islamic Courts Union in
Somalia Somalia, , Osmanya script: 𐒈𐒝𐒑𐒛𐒐𐒘𐒕𐒖; ar, الصومال, aṣ-Ṣūmāl officially the Federal Republic of SomaliaThe ''Federal Republic of Somalia'' is the country's name per Article 1 of thProvisional Constitut ...
and used by various warring factions in the
Somali Civil War The Somali Civil War ( so, Dagaalkii Sokeeye ee Soomaaliya; ar, الحرب الأهلية الصومالية ) is an ongoing civil war that is taking place in Somalia. It grew out of resistance to the Military dictatorship, military junta wh ...
after the fall of the dictatorial Siad Barre regime in the 1990s. China produced thousands of Type 59 tanks (based on the Soviet T-54A) for the
People's Liberation Army The People's Liberation Army (PLA) is the principal military force of the China, People's Republic of China and the armed wing of the Chinese Communist Party (CCP). The PLA consists of five Military branch, service branches: the People's ...
, which were used during the Vietnam War and used en-masse against Vietnam in the Sino-Vietnamese War and sold the similar (but upgraded)
Type 69 The Type 69 () and Type 79 () are Chinese second generation main battle tanks. Both were developments of the Type 59 medium tank (a locally produced Soviet T-54A) with technologies derived from T-62. They were the first indigenously developed ...
tanks to both
Iran Iran, officially the Islamic Republic of Iran, and also called Persia, is a country located in Western Asia. It is bordered by Iraq and Turkey to the west, by Azerbaijan and Armenia to the northwest, by the Caspian Sea and Turkmeni ...
and
Iraq Iraq,; ku, عێراق, translit=Êraq officially the Republic of Iraq, '; ku, کۆماری عێراق, translit=Komarî Êraq is a country in Western Asia. It is bordered by Turkey to Iraq–Turkey border, the north, Iran to Iran–Iraq ...
during the
Iran–Iraq War The Iran–Iraq War was an armed conflict between Iran and Iraq that lasted from September 1980 to August 1988. It began with the Iraqi invasion of Iran and lasted for almost eight years, until the acceptance of United Nations Security Counci ...
between 1980 and 1988. A considerable number saw action against Coalition forces during Operation Desert Storm in Iraq and Kuwait in January and February 1991 and during the US invasion of Iraq in 2003 ( Operation Iraqi Freedom), with extremely poor showing against more-modern tanks fielded by US and British troops, such as the M1 Abrams and the Challenger 1 and Challenger 2 tanks. The Sri Lanka Army used Czech T-55AM2s, heavily modernised variants of the Soviet T-55, during the Sri Lankan Civil War, which had concluded by May 2009, against the LTTE (Tamil Tigers) terrorist group. A T-55 belonging to the LTTE was destroyed by the Sri Lankan military on 6 April 2009, and according to local media reports, it was a model produced in Czechoslovakia and obtained by the LTTE in either 2001 or 2002. T-55 tanks have seen use on both sides of the 2011 Libyan civil war, with anti-Gaddafi forces either stealing them or having them contributed by defecting members of the Libyan Army. T-55s have been used by the Sudanese Armed Forces during the conflict in South Kordofan and Blue Nile. At least 4 were captured and 1 destroyed by the Sudan People's Liberation Movement-North on 10 December 2012. The T-55 has seen active combat service with the of the
Democratic Republic of the Congo The Democratic Republic of the Congo (french: République démocratique du Congo (RDC), colloquially "La RDC" ), informally Congo-Kinshasa, DR Congo, the DRC, the DROC, or the Congo, and formerly and also colloquially Zaire, is a country in ...
, supported by the
United Nations Force Intervention Brigade The United Nations Force Intervention Brigade (FIB) is a military formation which constitutes part of the United Nations Organization Stabilization Mission in the Democratic Republic of the Congo (MONUSCO). It was authorized by the United Nations ...
(UN FIB), in 2013–14 during the campaign to suppress the March 23 Movement (M23) rebel group. On July 7, 2014, a T-54 from a museum in Donetsk was commissioned into the armed forces of Novorossiya. Russia announced that several T-55 tanks used by ISIL in Syria were destroyed in an air attack conducted by its forces on October 5, 2015. Ukrainian soldiers are training with recently (October 2022) delivered 28 M-55S tanks donated by Slovenia. Model M-55S is a heavily reinforced tank and updated with NATO L7 105mm gun, upgrade armour protection, digital ballistic computer, upgraded engine etc.


Combat history

* 1955–1975: Vietnam War (North Vietnam) * 1956: Hungarian Revolution of 1956 (Soviet Union) * 1961–1991: Iraqi–Kurdish conflict (Iraq and Peshmerga) * 1966–1990: South African Border War (Angola) * 1967:
Six-Day War The Six-Day War (, ; ar, النكسة, , or ) or June War, also known as the 1967 Arab–Israeli War or Third Arab–Israeli War, was fought between Israel and a coalition of Arab states (primarily Egypt, Syria, and Jordan) from 5 to 10 ...
(Egypt and Syria) * 1968: Warsaw Pact invasion of Czechoslovakia (Soviet Union and Poland) * 1970: Black September (Syria) * 1971: Indo-Pakistani War of 1971 (India) * 1973:
Yom Kippur War The Yom Kippur War, also known as the Ramadan War, the October War, the 1973 Arab–Israeli War, or the Fourth Arab–Israeli War, was an armed conflict fought from October 6 to 25, 1973 between Israel and a coalition of Arab states led by E ...
(Egypt and Syria) * 1974–1991: Ethiopian Civil War (Ethiopia) * 1975–1990:
Lebanese Civil War The Lebanese Civil War ( ar, الحرب الأهلية اللبنانية, translit=Al-Ḥarb al-Ahliyyah al-Libnāniyyah) was a multifaceted armed conflict that took place from 1975 to 1990. It resulted in an estimated 120,000 fatalities a ...
(Lebanese government forces and militias) * 1975–1991: Western Sahara War (Morocco and Polisario) * 1975–2002: Angolan Civil War (Angola and UNITA) * 1977–1978: Ogaden War (Ethiopia, Somalia and Cuba) * 1978–1987: Chadian–Libyan conflict (Libya) ** 1986–1987: Toyota War * 1978: Uganda–Tanzania War (Uganda and Libya) * 1978–1989:
Cambodian–Vietnamese War The Cambodian–Vietnamese War ( km, សង្គ្រាមកម្ពុជា-វៀតណាម, vi, Chiến tranh Campuchia–Việt Nam), known in Vietnam as the Counter-offensive on the Southwestern border ( vi, Chiến dịch Phản ...
(Vietnam) * 1979–1988:
Soviet–Afghan War The Soviet–Afghan War was a protracted armed conflict fought in the Democratic Republic of Afghanistan from 1979 to 1989. It saw extensive fighting between the Soviet Union and the Afghan mujahideen (alongside smaller groups of anti-Soviet ...
(Afghanistan and Soviet Union) * 1979:
Rhodesian Bush War The Rhodesian Bush War, also called the Second as well as the Zimbabwe War of Liberation, was a civil conflict from July 1964 to December 1979 in the List of states with limited recognition, unrecognised country of Rhodesia (later Zimbabwe-Rh ...
(Rhodesia) * 1980–1988:
Iran–Iraq War The Iran–Iraq War was an armed conflict between Iran and Iraq that lasted from September 1980 to August 1988. It began with the Iraqi invasion of Iran and lasted for almost eight years, until the acceptance of United Nations Security Counci ...
(Iran and Iraq) * 1982–1983: 1982 Lebanon War (Syria and PLO) * 1983–2009: Sri Lankan Civil War (Sri Lankan government forces and LTTE) * 1983–2005: Second Sudanese Civil War (Sudanese government forces and SPLA) * 1989: Romanian Revolution (Romania) * 1988–1993: Georgian Civil War ** 1991–1992: 1991–1992 South Ossetia War (Georgia) ** 1992–1993: War in Abkhazia (1992–1993) (Georgia and Abkhazia) * 1990–1991:
Gulf War The Gulf War was a 1990–1991 armed campaign waged by a 35-country military coalition in response to the Iraqi invasion of Kuwait. Spearheaded by the United States, the coalition's efforts against Iraq were carried out in two key phases: ...
(Iraq) * 1991–present:
Somali Civil War The Somali Civil War ( so, Dagaalkii Sokeeye ee Soomaaliya; ar, الحرب الأهلية الصومالية ) is an ongoing civil war that is taking place in Somalia. It grew out of resistance to the Military dictatorship, military junta wh ...
* 1991–1995:
Yugoslav Wars The Yugoslav Wars were a series of separate but related Naimark (2003), p. xvii. ethnic conflicts, wars of independence, and insurgencies that took place in the SFR Yugoslavia from 1991 to 2001. The conflicts both led up to and resulted from ...
(Yugoslavia) ** 1991: Ten-Day War (Yugoslavia) ** 1991–1995: Croatian War of Independence (Yugoslavia, Croatia and Republic of Serbian Krajina) ** 1992–1995: Bosnian War (Bosnia and Herzegovina and
Republika Srpska Republika Srpska ( sr-Cyrl, Република Српска, lit=Serb Republic, also known as Republic of Srpska, ) is one of the two entities of Bosnia and Herzegovina, the other being the Federation of Bosnia and Herzegovina. It is located ...
) ** 1994: Operation Bøllebank (Republika Srpska and
UNPROFOR The United Nations Protection Force (UNPROFOR; also known by its French acronym FORPRONU: ''Force de Protection des Nations Unies'') was the first United Nations peacekeeping force in Croatia and in Bosnia and Herzegovina during the Yugoslav ...
forces) * 1994:
Yemeni Civil War (1994) The Yemeni Civil War was a civil war fought between the two Yemeni forces of the pro-union northern and the socialist separatist southern Yemeni states and their supporters. The war resulted in the defeat of the southern armed forces, the reun ...
* 1997:
1997 clashes in Cambodia File:1997 Events Collage.png, From left, clockwise: The movie set of ''Titanic (1997 film), Titanic'', the List of highest-grossing films, highest-grossing movie in history at the time; ''Harry Potter and the Philosopher's Stone'', is published; ...
(Cambodian government forces) * 1998–1999:
Kosovo War The Kosovo War was an armed conflict in Kosovo that started 28 February 1998 and lasted until 11 June 1999. It was fought by the forces of the Federal Republic of Yugoslavia (i.e. Serbia and Montenegro), which controlled Kosovo before the war ...
( Army of Yugoslavia) * 1998–2000:
Eritrean–Ethiopian War The Eritrean–Ethiopian War, also known as the Badme War, was a major armed conflict between Ethiopia and Eritrea that took place from May 1998 to June 2000. The war has its origins in a territorial dispute between the two states. After Eri ...
(Eritrea and Ethiopia) * 1998: Guinea-Bissau Civil War * 2001–2021:
War in Afghanistan (2001–2021) The War in Afghanistan was an armed conflict that began when an Participants in Operation Enduring Freedom, international military coalition led by the United States launched United States invasion of Afghanistan, an invasion of Afghanistan, ...
(Northern alliance and Afghanistan) * 2003–present: War in Darfur (Sudanese government forces) * 2003–2011:
Iraq War {{Infobox military conflict , conflict = Iraq War {{Nobold, {{lang, ar, حرب العراق (Arabic) {{Nobold, {{lang, ku, شەڕی عێراق (Kurdish languages, Kurdish) , partof = the Iraq conflict (2003–present), I ...
** 2003:
Invasion of Iraq The 2003 invasion of Iraq was a United States-led invasion of the Republic of Iraq and the first stage of the Iraq War. The invasion phase began on 19 March 2003 (air) and 20 March 2003 (ground) and lasted just over one month, including 26 ...
(Iraq) * 2005–2010:
Chadian Civil War (2005–2010) The most recent Chadian Civil War began on December 18, 2005. Since its independence from France in 1960, Chad has been swamped by the civil war between the Arab-Muslims of the north and the Sub-Saharan-Christians of the south. As a result, l ...
(Chadian government forces) * 2008: Russo-Georgian War (Abkhazia and South Ossetia) * 2011: Libyan Civil War (2011) (
Gaddafi Government Muammar Gaddafi became the ''de facto'' leader of Libya on 1 September 1969 after leading a group of young Libyan Army officers against King Idris I in a bloodless coup d'état. After the king had fled the country, the Revolutionary Comma ...
) * 2011–present: Syrian Civil War (Syrian government forces, ISIS and Rebels) * 2011–present: Sudanese conflict in South Kordofan and Blue Nile (Sudanese Government forces) * 2012–2013:
M23 rebellion The M23 rebellion was an armed conflict in North Kivu, Democratic Republic of the Congo (DRC), that occurred between the March 23 Movement and government forces. The rebellion was part of continued fighting in the region after the formal end of ...
(Democratic Republic of Congo and March 23 Movement) * 2014–2017: War in Iraq (2013–2017) * 2014–2020:
Libyan Civil War (2014) {{Infobox military conflict , conflict = Second Libyan Civil War , partof = the Arab Winter, Libyan Crisis, Iran–Saudi Arabia proxy conflict, War on terror, and Qatar–Saudi Arabia diplomatic conflict , image ...
(
Libyan National Army The Libyan National Army (LNA; ar, الجيش الوطني الليبي, ''al-jaysh al-waṭaniyy al-Lībii'') is a component of Libya's military forces which were nominally a unified national force under the command of Field Marshal Khalifa H ...
and
Government of National Accord The Government of National Accord ( ar, حكومة الوفاق الوطني) was an interim government for Libya that was formed under the terms of the Libyan Political Agreement, a United Nations–led initiative, signed on 17 December 2015. ...
) * 2015–present: Yemeni Civil War (2015–present) (Hadi-government forces and Houthis) * 2020: 2020 Nagorno-Karabakh conflict ( Azerbaijani Land Forces) * 2020–2022: Tigray War (Ethiopian government forces and
Tigray Defense Forces The Tigray Defense Forces ( ti, ሓይልታት ምክልኻል ትግራይ, italic=no; TDF: ሓምት), colloquially ''Tigray Army'' () is a paramilitary rebel group in Tigray. It was founded by distant former generals of Ethiopia in 2020 t ...
) * 2022–present:
2022 Russian Invasion of Ukraine On 24 February 2022, in a major escalation of the Russo-Ukrainian War, which began in 2014. The invasion has resulted in tens of thousands of deaths on both sides. It has caused Europe's largest refugee crisis since World War II. A ...
(Ukraine)


Operators and variants

The T-55 has been used worldwide by as many as 50 countries and quasi-armies. They have been subject to many improvements throughout their production history and afterward, and many are still in service today. Modifications to the T-54/55 series over the years have changed almost every aspect of the vehicle. Initially, Soviet modifications included a better turret shape, improved NBC protection and an improved powerplant. Later, improved fire-control equipment and night-vision equipment was added. Foreign improvements, both in Warsaw Pact nations and elsewhere, have further improved protection, powerplant, and firepower. T-54/55s have been re-armed with improved tank guns, AA machine guns, advanced armour arrays, and technologies, such as laser range finders and computerized fire control systems, that did not exist when the tank was first being built in the early days of the
Cold War The Cold War is a term commonly used to refer to a period of geopolitical tension between the United States and the Soviet Union and their respective allies, the Western Bloc and the Eastern Bloc. The term '' cold war'' is used because t ...
. File:Marksman SPAAG.jpg, A Finnish T-55-based Marksman self-propelled anti-aircraft gun (SPAAG) vehicle, which is referred to locally as the ItPsv 90. File:Abgasloeschfahrzeug Hurricane - FW-Museum Fulda (1997).jpg, "Hurricane" firefighting vehicle, which uses the engine from a MiG-21 to blow water mist over a fire.


Museums with T-54/T-55 on display

*The Ontario Regiment Museum has an operational T-54. *There is a T-54 outside of K-W Surplus in Kitchener, Ontario, Canada * Museum of Military Technology "Gryf" in Gdynia, Poland offers rides in T-55A.


See also

* Al-Zarrar *
Ramses II tank The Ramses II tank is a heavily modernized T-55 main battle tank designed for and used by the Egyptian Armed Forces. A single T-54 was sent to the United States for upgrading. A primary prototype was sent to Egypt where extensive trials were ...
* T-54/T-55 operators and variants * TR-85 * Type 59 tank *
Type 59G(BD) Durjoy The Type 59 Durjoy is a highly modernized version of the Chinese Type 59 tank for the Bangladesh Army. The Bangladesh Army's old Type 59 tanks were upgraded similarly to Type 59G standard at ''902 Central Workshop'' of the Bangladesh Machine To ...
*
Type-72Z Safir-74 The Type 72Z tank (also known as the T-72Z and the Safir-74, and the Al-Zubair I in Sudan) is a highly modernized version of the Type 59 and T-54/T-55 tanks, with upgrades carried out by the Iranian Defense Industries Organization. The tank ...


Tanks of comparable role, performance and era

* Centurion tank – approximate British equivalent *
M47 Patton The M47 Patton was an American main battle tank, a development of the M46 Patton mounting an updated turret, and was in turn further developed as the M48 Patton. It was the second American tank to be named after General George S. Patton, comm ...
– approximate American equivalent (of T-54) *
M48 Patton The M48 Patton is an American first-generation main battle tank (MBT) introduced in February 1952, being designated as the 90mm Gun Tank: M48. It was designed as a replacement for the M26 Pershing, M4 Sherman, M46 and M47 Patton tanks, and w ...
– approximate American equivalent (of T-55)


Citations


General bibliography

* Cockburn, Andrew (1983). ''The Threat: Inside the Soviet Military Machine''. New York: Random House. 3 May 1983 . * Dunstan, Simon (1982). ''Vietnam Tracks: Armor in Battle 1945–75''. Osprey Publications. . * Foss, Christopher F., ed (2005). ''Jane's Armour and Artillery 2005–2006'', 26th edition. 15 August 2005 . * * Starry, Gen. Donn A. (1989).
Mounted Combat in Vietnam
'. Washington, D.C.: Vietnam Studies, Department of the Army. First printed in 1978-CMH Pub 90–17. *Hunnicutt, R.P. ''Abrams: A History of the American Main Battle Tank.'' Vol. 2. Presidio Press 1990. * Hunnicutt, R. P. ''Patton: A History of the American Main Battle Tank''. . * Hunnicutt, R. P. ''Sheridan: A History of the American Light Tank'' Volume 2; 1995, Presidio Press. . * * * James Kinnear, Stephen Sewell & Andrey Aksenov, ''Soviet T-54 Main Battle Tank'', General Military series, Osprey Publishing Ltd, Oxford 2018. * James Kinnear, Stephen Sewell, Andrey Aksenov, ''Soviet T-55 Main Battle Tank'', General Military series, Osprey Publishing Ltd, Oxford 2019. *Anthony Tucker-Jones, ''Images of War: T–54/55, The Soviet Army’s Cold War main battle tank – rare photographs from wartime archives'', Pen & Sword Military, Barnsley 2017. * Krzysztof M. Gaj, ''Czołg T-55AM i pochodne (T-55AD-1M, T-55AD-2M, T-55AMS)'', Sowa Sp. z o.o., 2013,


External links





* ttp://www.primeportal.net/apc/t-55.htm T-55 Variant walk arounds and photos on Prime Portal
Jaguar prototype main battle tank
{{DEFAULTSORT:T-54 55 Main battle tanks of the Soviet Union Cold War tanks of the Soviet Union Main battle tanks of the Cold War Medium tanks of the Cold War Military vehicles introduced from 1945 to 1949