
The 7TP was a development of the British Vickers Mk.E tank, produced in Poland under license. The car differed from the original with a more powerful PZInż diesel engine. 235 (Saurer VBLDb), turret and armament. The first series of machines was made in a two-tower version. In 1935, an agreement was concluded with the Swedish company Bofors for the production of a turret with cannon armament of the same company for installation on a single-turret version of the tank. The first prototype of the 7TP single-turret tank was tested in February 1937. After that, mass production began, and in total, until September 1939, 110 single-turret 7TPs were produced.