The BT-42 was a Finnish assault gun, constructed during the Continuation War. It was constructed from captured Soviet BT-7 light tanks and British 4.5-inch howitzers (114 mm-calibre light howitzer, model 1908) from 1918, which had been donated during the Winter War. Only eighteen vehicles were constructed. Type Assault gun/tank Place of origin Finland Service history In service 1943-1944 Used by Finland Wars Continuation War Production history Produced 1942 No. built 18 Variants BT-43 Specificat