T-55: 70 Years Old. Still in Service.

No tank in history has been produced in the quantities that the T-55 and its relatives have. Some sources suggest as many as 100,000 have been built since 1946, this tank is still seeing service across the globe. So how come this 80-year-old tank is still in service in 2025?

When looking at its predecessor, the T-34, the move to the T-55 looks like a massive leap in design. But there is a clear evolutionary progression – there is just a missing link. The T-44 laid the groundwork for future Soviet tank design – pioneering torsion bar suspension and a transverse engine.

It was soon decided that the T-44 would require a new 100mm gun to replace the 85mm. This new model would be called the T-54. While NATO classes both the T-54 and 55 as the same vehicle, the T-55 is a substantially better tank. A comprehensive series of upgrades made this an effective force on the battlefield.

The T-55 would prove popular with forces around the world. It would even go head-to-head against itself in the Iran-Iraq War of the 1980s. Eventually the T-55 would become outdated as NATO technology became more and more advanced. But it is still in service in the conflict in Ukraine – why?

The Russian army, despite the stereotype of having unending stockpiles of weaponry, have been struggling to keep up with the astounding loss rate the Ukrainians have been able to inflict on them. This has resulted in older and older vehicles being dragged out of those large storage depots across Russia, mainly being used as mobile, protected artillery.

The T-55 has endured partly due to its sheer numbers, availability and upgradability. Its performance on the battlefield has varied, but its basic but effective design has proven itself again and again throughout the decades. It is worth reiterating how remarkable it that a vehicle conceived at the end of the Second World War is still even a consideration for armies 80 years on.

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This video features archive footage courtesy of British Pathé.

Attributions:

Army2016 (20160907) 08.jpg Authormil.ru SourceLicenseCC BY 4.0

Park of Military History, Pivka, Slovenia @ParkvojaškezgodovinePivka

South African Olifant tank, 2011.jpg AuthorUS Army Africa SourceFlickrUSARAF Command Sergeant Major Visits South Africa LicenceCC BY 2.0

Sri Lanka Military 0208.jpg AuthorChamal Pathirana SourceLicenseCC BYSA 3.0

Yom Kippur Footage

In this video, historian James Donaldson explores the history of the most-produced tank in history – the T-55. This Soviet design has its roots in the iconic T-34, evolving through the years to become an effective fighting machine that was sold around the world. Despite manufacturing ending in the 1980s, this tank is still a feature on the battlefield, with both sides making use of T-55s in the current conflict in Ukraine. It may not be engaging in tank-on-tank combat as initially intended, but the T-55 is still providing a useful, effective and relatively cheap addition to the arsenal of many armies in the 21st Century.

Want to learn more about the T-55? Here are some of the sources we used to make this film:

Soviet T-55: Main Battle Tank, James Kinnear & Stephen L. Sewell, Osprey 2019.

Soviet T-54: Main Battle Tank, James Kinnear & Stephen L. Sewell, Osprey 2018.

Soviet/Russian Armor and Artillery Design Practices: 1945 to Present, Andrew Hull, David Markov & Steven Zaloga, Darlington 1999.

T-54 T-55 T-62, Steven Zaloga, Concord 1992.

Meatgrinder: Russian Tactics in the Second Year of Its Invasion of Ukraine, Jack Watling & Nick Reynolds, Royal United Services Institute for Defence and Security Studies 2023.

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