4.1 1933 ஒரு-65 4.1 1934 ஒரு-70 4.2 1937 DT-37, LT-37 4.2 1938 DT-38, LT-38 4.5 1935 ஒரு-75 4.5 1936 ஒரு-80 4.5 1937 ஏஏ-37