No. 63 "Pretoria" was a B4 class 4-4-0 steam locomotive that was built for the London, Brighton and South Coast Railway by Sharp, Stewart and Company in 1901. Pretoria and its siblings were used on express passenger work. In 1923, Pretoria and its siblings were acquired by the Southern Railway after the LB&SCR merged with other railways to form the SR. The engine was renumbered to B63 in 1923. The engine was later renumbered to 2063.