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Summary and Key Points: The Russian T-80 tank, a heavily used asset in the Ukraine conflict, is a descendant of the T-64, a Cold War-era tank. Initially impressive with its advanced features and mobility, the T-80 has shown significant vulnerabilities in the current war.

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The T-64 had a drawback, however: The thing was expensive and complicated. Accordingly, the Soviets were limited in their ability to mass produce the T-64, often failing to meet demand. Simpler, cheaper tanks like the T-72 were manufactured to supplement the need for high quantities of tanks. Another drawback of the T-64 was the engine. The tank’s 5TD diesel engine was notoriously unreliable.

One machine the Russians have relied upon heavily in their pursuit of more Ukrainian territory is the tank. Tanks are ideal, in theory, for sweeping across geography like the plains of Eastern Europe to secure more territory. But Russia’s use of its tank forces has not gone especially well. Thousands upon thousands of tanks have been destroyed. Many of these are outdated Cold War-era tanks inherited from the Soviet Union, like the T-80 main battle tank, which Russia has deployed heavily.

The Object 219-2 had its own drawbacks – specifically a very high fuel consumption. Nevertheless, after some controversy, the Object 219-2 prototype was approved for widescale production and redesignated as the T-80.

The war has been brutal and grinding, the most vicious fighting on the European continent since the conclusion of World War II. Many of the defensive measures used in the fighting are modern and portable, so it should come as no surprise that a tank that was primarily designed in the 1970s is struggling to survive.

-Since the beginning of the Russo-Ukraine War, Russia has lost hundreds of T-80s. The tank's struggles highlight the challenges of using older armored vehicles against modern, portable defensive measures.

The T-80 was derived from the T-64, which was built in the 1960s. Back then, the T-64 represented the latest available technology. It had novel features like composite armor, a smoothbore gun with an autoloader, and a compact engine – features that have since become commonplace. The T-64 was a head-turner. At just 38 tons, the T-64 was light and quick, yet with the composites, still heavily armored.

Harrison Kass is a defense and national security writer with over 1,300 total pieces on issues involving global affairs. An attorney, pilot, guitarist, and minor pro hockey player, Harrison joined the US Air Force as a Pilot Trainee but was medically discharged. Harrison holds a BA from Lake Forest College, a JD from the University of Oregon, and an MA from New York University. Harrison listens to Dokken.

The Russians have already lost hundreds of T-80 tanks since the war began. The T-80’s survivability problems are a common theme. “[R]ussia has also sustained huge losses in equipment,” NBC reported last December, “with 2,200 tanks destroyed out of a force of 2,500 and one-third of its armored vehicles knocked out of action.”

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-Despite improvements over the T-64, like a more powerful engine, the T-80's high fuel consumption and reliance on outdated technology have led to substantial losses.

Eventually the Soviets began considering revisions of the T-64, paying special attention to the beleaguered 5TD diesel engine. A T-64’s 5TD was swapped for the GTD-1000T multi-fuel turbine engine, which offered 1,000 horsepower. The T-64 with the GTD engine was known as the “Object 219.” While engine performance was satisfactory, the increased weight of the tank prompted a suspension redesign. The T-64 built with the GTD engine and improved suspension was designated the “Object 219-2.”

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Thousands of T-80 tanks were produced before the Soviet Union collapsed – 4,839 to be exact. Russia still possesses the majority, but Ukraine absorbed their fair share of T-80s, too. The T-80 did not see much action until recently. During the Russo-Ukraine War, both sides have relied on tank warfare generally, and the T-80, specifically.

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The T-80’s updated engine and suspension allowed for an increased power-to-weight ratio relative to the T-64. This made the T-80 the most mobile tank in service with the Soviet Army. However, the engine consumed fuel at a rapid clip, limiting the tank’s range.

The Russian T-80 tank, a heavily used asset in the Ukraine conflict, is a descendant of the T-64, a Cold War-era tank. Initially impressive with its advanced features and mobility, the T-80 has shown significant vulnerabilities in the current war.