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