Comparing: BT-SV vs. M3 Light vs. T-127

Experimental tank. Developed by the Tsyganov group from 1936 through 1938. The vehicle underwent field trials, but never saw service.

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.

Developed together with the T-126 at Factory No. 174 during the summer of 1940. Vehicle development was suspended during the preliminary design phase and then discontinued due to problems with the V-3 diesel engine.