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Top 7: Heaviest Tanks in History

For over 100 years, tanks have been a decisive weapon in modern warfare. The heavier a tank is, the more armor, firepower, and technology it usually carries. But weight also comes at a cost: lower mobility and logistical challenges. In this top 7 list, we move from the ‘lighter’ heavyweights to the absolute heaviest monsters ever to roll out onto the battlefield. Ready to meet these armored giants? Let’s roll!

Mikkel Preisler
By Mikkel Preisler 13. June 2025

For over 100 years, tanks have been a decisive weapon in modern warfare. The heavier a tank, the more armor, firepower, and technology it typically carries. But weight also comes at a cost: reduced mobility and logistical challenges. In this top 7 list, we move from the “lighter” heavyweights to the absolute heaviest monsters ever to roll onto the battlefield. Ready to meet some armored colossi? Let’s roll!

#7: Leopard 2A7 – The Modern European Giant

Germany is known for its efficient and well-engineered tanks, and the Leopard 2A7 is no exception. Weighing in at around 64 tons, it ranks among the top of modern standard tanks. It combines strong protection, mobility, and firepower—and is used by several NATO countries. While not the heaviest, it is a technological powerhouse.

#6: M1A2 Abrams – American Brutality

The M1A2 Abrams is the flagship of the U.S. tank fleet and weighs around 67 tons in its updated version. It is known for its Chobham armor and turbine engine, offering solid protection and rapid acceleration. Its weight contributes to its survivability on modern battlefields, where anti-tank threats are widespread.

#5: Challenger 2 – British Steel and Stability

The Challenger 2 is the UK’s main battle tank and weighs about 75 tons, making it one of the heaviest in active service. It is particularly known for its outstanding protection and resilience—holding the record for the longest confirmed kill shot by a tank in combat.

#4: IS-4 – Soviet Armored Colossus

Developed by the Soviet Union shortly after World War II, the IS-4 weighed around 68 tons. It was one of the heaviest tanks of the Soviet era, designed to withstand enemy fire and break through German lines. Although it saw little combat, its weight and armor were remarkable for the time.

#3: Maus – Nazi Germany’s Experimental Giant

Maus was Hitler’s dream of an invincible supertank—and weighed about 188 tons! That makes it the heaviest tank ever built. Only two prototypes were completed, as it proved far too heavy for practical use. Its size required special transport and made it extremely vulnerable—but on paper, it was a rolling fortress.

#2: T28 Super Heavy Tank – American Experiment

The U.S. attempted its own super heavy tank during WWII: the T28, weighing a massive 95 tons. It was designed to break through the Siegfried Line with extremely thick armor (up to 305 mm). Lacking a rotating turret, it was more of a mobile artillery piece than a conventional tank. The project was ultimately abandoned after the war.

#1: P1000 Ratte – The Unrealized Mega-Machine

During World War II, German engineers proposed a wild project: the P1000 Ratte. A tank meant to weigh 1,000 tons (!) and be equipped with battleship guns. It never made it past the drawing board, but if it had been built, it would have been the heaviest land vehicle in history. Unrealistic? Yes. Fascinating? Absolutely.

Our team may have used AI to assist in the creation of this content, which has been reviewed by our editors.