Comparing: Pz.Kpfw. III Ausf. A vs. BT-7 vs. M3 Light

Produced in 1937, with a total of 10 vehicles manufactured. The project was canceled due to its weak suspension and inadequate armor.

The Soviet wheeled caterpillar tank used in the 1930s–1940s. The third vehicle in the series of the Soviet light BT tanks. The BT-7 differed from its predecessors in the welded hull of a modified shape and a new engine. A total of 5,556 vehicles of different variants were produced and saw action during the Khalkhyn Gol battles, Polish Campaign, Winter War and World War II.

The most famous light tank of World War II, with a total of 13,859 vehicles manufactured from 1941 through September 1943. 1,576 tanks (mostly of the M3A1 version) were supplied to the U.S.S.R. under Lend-Lease, and many more to the British.