Peter Drummond

Peter Drummond (1850–1918) was a Scottish locomotive engineer who served as Locomotive Superintendent of the Highland Railway from 1896 to 1911 and of the Glasgow and South Western Railway from 1912 until his death in office in 1918 — following in his elder brother Dugald Drummond's footsteps through the Scottish railway world while developing his own distinctive engineering approach suited to the demanding conditions of the Highland and GSWR routes.

Born at Ardrossan, Ayrshire on 1 January 1850, the eighth child of a Ayrshire carpenter, Peter Drummond was apprenticed at Cowlairs Works on the North British Railway under his elder brother Dugald and followed him to the Caledonian Railway at St Rollox and then to the London and South Western Railway at Nine Elms, working as Works Manager under Dugald's CME tenure. He took the Highland Railway post on David Jones's retirement following a footplate accident in 1896.

Peter Drummond's Highland designs showed the influence of his LSWR experience but were adapted to the Highland's demanding conditions: the severe gradients of the Drumochter and Slochd summits, the thin traffic that made locomotive availability critical, and the loading gauge that prevented the use of the large express engines that served main-line railways further south. His Castle class 4-6-0 of 1900, developed from Jones's pioneering Goods 4-6-0, provided the Highland with its express passenger motive power for the Inverness–Perth service, and his 0-6-4T banking engines worked the gradient pilots at Drumochter. At the GSWR his later career produced effective 4-4-0 and 0-6-0 designs for the railway's Anglo-Scottish Midland Route services. He died in office at Kilmarnock on 30 June 1918.