The ''Leichttraktor'' (Vs.Kfz.31) was a German experimental

tank A tank is an armoured fighting vehicle intended as a primary offensive weapon in front-line ground combat. Tank designs are a balance of heavy firepower, strong armour, and good battlefield mobility provided by tracks and a powerful engin ...

designed during the

Interwar Period In the history of the 20th century, the interwar period lasted from 11 November 1918 to 1 September 1939 (20 years, 9 months, 21 days), the end of the World War I, First World War to the beginning of the World War II, Second World War. The in ...

History

After the end of

World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...

, Germany was restricted in military development by the

Treaty of Versailles The Treaty of Versailles (french: Traité de Versailles; german: Versailler Vertrag, ) was the most important of the peace treaties of World War I. It ended the state of war between Germany and the Allied Powers. It was signed on 28 June ...

. However, a secret program under the cover name "Traktor" was developing armoured military vehicles and artillery. Its engine was mounted inside the front portion of the hull and the turret was mounted above the fighting compartment in the rear of the tank. Both

Rheinmetall Rheinmetall AG is a German automotive and arms manufacturer, headquartered in Düsseldorf, Germany. Its shares are traded on the Frankfurt stock exchange. History Rheinmetall was founded in 1889. Banker and investor Lorenz Zuckermandel L ...

and

Krupp The Krupp family (see pronunciation), a prominent 400-year-old German dynasty from Essen, is notable for its production of steel, artillery, ammunition and other armaments. The family business, known as Friedrich Krupp AG (Friedrich Krup ...

produced prototypes, and in 1928, Rheinmetall's design was chosen and was awarded an order for 289 tanks. However, some time later, the order was cancelled. Krupp models had

coil spring A selection of conical coil springs The most common type of spring is the coil spring, which is made out of a long piece of metal that is wound around itself. Coil springs were in use in Roman times, evidence of this can be found in bronze Fib ...

suspensions, while Rheinmetall had

leaf spring A leaf spring is a simple form of spring commonly used for the suspension in wheeled vehicles. Originally called a ''laminated'' or ''carriage spring'', and sometimes referred to as a semi-elliptical spring, elliptical spring, or cart spring, it ...

suspensions. The Germans tested the tank in the

Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen national ...

under the

Treaty of Rapallo Following World War I there were two Treaties of Rapallo, both named after Rapallo, a resort on the Ligurian coast of Italy: * Treaty of Rapallo, 1920, an agreement between Italy and the Kingdom of the Serbs, Croats and Slovenes (the later Yugoslav ...

– agreed between the USSR and Germany in 1922 under high secrecy and security. The testing facility used from 1926 to 1933 was named ''Panzertruppenschule Kama'', located near

Kazan Kazan ( ; rus, Казань, p=kɐˈzanʲ; tt-Cyrl, Казан, ''Qazan'', IPA: ɑzan is the capital and largest city of the Republic of Tatarstan in Russia. The city lies at the confluence of the Volga and the Kazanka rivers, covering a ...

in the Soviet Union. The location was a joint testing ground and tank training ground for the

Red Army The Workers' and Peasants' Red Army (Russian: Рабо́че-крестья́нская Кра́сная армия),) often shortened to the Red Army, was the army and air force of the Russian Soviet Federative Socialist Republic and, after ...

and

Reichswehr ''Reichswehr'' () was the official name of the German armed forces during the Weimar Republic and the first years of the Third Reich. After Germany was defeated in World War I, the Imperial German Army () was dissolved in order to be reshaped ...

. It was codenamed "Kama" from the words Kazan and Malbrandt because the testing grounds were near

and ''

Oberstleutnant () is a senior field officer rank in several German-speaking and Scandinavian countries, equivalent to Lieutenant colonel. It is currently used by both the ground and air forces of Austria, Germany, Switzerland, Denmark, and Norway. The Swedis ...

'' Malbrandt was assigned to select the location for testing. ''Leichter Traktor'' ("Light tractor") was a cover name for all three medium tank designs produced there. In the early years of

World War II 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 opposin ...

it was used as a training tank. Although these designs were not used in actual warfare, they gave a good intuition on how to build tanks when Germany had previously only made one official tank, the

A7V The A7V was a heavy tank introduced by Germany in 1918 during World War I. One hundred chassis were ordered in early 1917, ten to be finished as fighting vehicles with armoured bodies, and the remainder as ''Überlandwagen'' cargo carriers. Th ...

, and this design led to the creation of the

Panzer I The Panzer I was a light tank produced in Nazi Germany in the 1930s. Its name is short for (German for "armored fighting vehicle mark I"), abbreviated as . The tank's official German ordnance inventory designation was ''Sd.Kfz. 101'' ...

History

References

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Further reading