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Type Medium tank
Place of origin Germany Germany
Service history
In service 1935
Used by Nazi Germany
Wars none
Production history
Designed 1926
Manufacturer Rheinmetall, Krupp, Daimler
Produced 1928–1930
Number built 6
Weight 19 tonnes (21 short tons)
Length 6.6 m (22 ft)
Width 2.81 m (9.2 ft)
Height 2.3 m (7.5 ft)
Crew 6

Armor 13 mm mild steel
One 75 mm KwK L 24
Engine BMW Va 6 cylinder
250 PS
Suspension coil-spring suspension (Rheinmetall, Krupp)

leaf springs suspension (Daimler-Benz)

150 km (93 mi) on-road
Speed 40 km/h (25 mph) on-road

The Grosstraktors were six prototype medium tanks built two each by Rheinmetall, Krupp and Daimler, for the German Weimar Republic, in violation of the Treaty of Versailles, and tested in the Soviet Union. They were used for training and retired as monuments after the Nazi party came to power.[1]


  1. Peter Chamberlin and Hillary Doyle, Encyclopedia of German Tanks of World War Two, 1978, 1999, p. 147

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