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Sturmpanzerwagen Oberschlesien
Place of origin Germany
Weight 19 t
Length 6.7 m
Width 2.34 m
Height 2.9 m
Crew 5

Armor 14 mm
1 x 57 mm or 37 mm cannon
2 x 7.92 mm machinegun
Engine Argus
180 HP
Speed 16 km/h on roads
9 km/h off road

The Sturmpanzerwagen Oberschlesien ("Oberschlesien Assault Tank") (sometimes called "Dominatrix") was a German tank project of the First World War. It was a radical design for a fast-moving, lightly-armored assault tank.

The Oberschlesien included a track which was placed under the tank and only wrapped around half of it. The design sacrificed armor for the sake of speed and only required a 180 hp engine for the 19 ton body, giving it a projected ground speed of 9 mph.

The tank featured such advanced features as a main cannon mounted on top of the tank in a central revolving turret, separate fighting and engine compartments, a rear-mounted engine and a low track run.


Towards the end of the First World War it was clear that the only operational German tank, the A7V was a failure, being too slow and clumsy in action and slow to build. Therefore it was decided that a lighter tank was required which could spearhead assaults and which could be mass-produced.

Thirteen companies bid for the contract and in the middle of 1918 construction of a design by Captain Müller was assigned to the Oberschlesien Eisenwerk of Gleiwitz, which had partially completed two prototypes by October. The project received the pseudonym Oberschlesien (Upper Silesia).

Neither the ordered test models, nor the improved "Oberschlesien II" already planned were finished before the end of the war.


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