Class 2-SL - 1805 - The 2-SL units were rebuilt in 1929 from the Driving Motor cars originally used in ex-LBSCR AC electric SL stock.. They were intended for use on the South London lines. The units were numbered 1901–1908 before 1936, when those numbers were reused for new 2-BIL units. All were withdrawn by 1954 and scrapped.