Comparing: M3 Stuart vs. AMX 38 vs. BT-7

Developed in 1938 through 1941 on the basis of the M2. Mass-produced from 1941. More than 13,000 vehicles in various versions were built, from the M3 to the M3A3, all of which were supplied to almost every allied nation under Lend-Lease. The M3 tanks were designated Stuart I by the British, while the M3A1 version received the designation Stuart III. The M3 first saw action in the battle at Sidi Rezegh.

Developed in 1937 by the AMX company on the basis of the Renault R-40. The vehicle had a larger turret than comparable vehicles and was equipped with a diesel engine. By 1940 two vehicles were ready for trials.

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.