Soviet WW2 era Amphibious Light Tank Manufacturer:- Factory No37, Moscow Built:- 1933 to 1936 Total Production:- 1,200 Main Armament:- 7.62mm DT machine gun The T-37A was the world’s first mass-produced amphibious tank. It was designed for reconnaissance, communication and infantry support, rather than fighting other tanks. They were used during the Soviet invasion of Poland and in the 1939/40 Winter War in Finland. On display in Hall 8 of the Patriot Museum Complex. Park Patriot, Kubinka, Moscow Oblast, Russia.