FamiliesBTБТБТOriginSoviet UnionTotal produced8,247NotesBT-7 Model 1935 and Model 1937 together: 4801, of them 2016 radio tanks (BT-7RT).Production by year39619321,00519331,105193450019351,061193678819371,19319381,42019397791940Vehicles 5193719381939194019411942194319441945BT-51,884Jul 1939 – Aug 1945≈ Sep 1939 – Jan 1944Nov 1939 – Mar 1940BT-7 Model 1935133≈ Jul 1939 – Aug 1939≈ Sep 1939 – Nov 1941Nov 1939 – Mar 1940BT-7 Model 1937Aug 1939 – Aug 1945≈ Sep 1939 – Jan 1944Nov 1939 – Mar 1940BT-2617≈ Sep 1939 – Jan 1944Nov 1939 – Mar 1940BT-7M787≈ Jun 1941 – Jan 1944