Comparing: BT-7 artillery vs. Cruiser Mk. IV

In 1934–1935 the design bureau of the Kharkiv Locomotive Factory developed this artillery modification of the BT-7. The new elliptical turret was equipped with the 76.2-mm CT-28 gun. In addition, some vehicles received new radio stations. A total of 155 artillery BT-7s were manufactured. The vehicles saw combat on the Karelian Isthmus, in Manchuria, and during the first period of the Great Patriotic War.

An upgraded version of the cruiser tank Mk. III. The tank featured armor enhanced by the additional screens. The Cruiser Mk. IV fought in France in 1940 and in the early stages of the North African Campaign. This vehicle last saw action in the winter of 1941–1942. A total of 655 tanks were mass-produced.