Until 1867 it did only repairs and maintenance. In 1866, Patrick Stirling was appointed as Locomotive Superintendent, and the first of the 875 class was built in 1886. At this time the works also began building new coaches. In 1873 they built the first sleeping cars; in 1879 the first dining cars in the United Kingdom; and in 1882 the first corridor coaches. In 1891, 99 locomotives, 181 carriages and 1493 wagons were built.