R3987 BR, 9F Class, 2-10-0, 92194 - Era 5. The British Railways Standard 9F Class was a 2-10-0 steam locomotive, the last of the standardised BR designs. In total 251 of the class were produced between January 1954 and March 1960, with the final locomotive No. 92220 'Evening Star' being the last steam locomotive built by British Railways.