Midland Railway 483 Class

The Midland Railway 483 Class was a series of inside-cylinder 4-4-0 express passenger locomotives designed by Samuel Waite Johnson and built at Derby Works from 1896, forming part of Johnson's celebrated family of elegant 4-4-0 express designs that established the Midland Railway's reputation for beautiful and capable express locomotives in the late Victorian and Edwardian eras. The 483 Class used Johnson's characteristic 6 ft 9 in coupled wheels, a generous boiler pressed to 160–175 psi, and the clean inside-cylinder aesthetic that made all Johnson's Derby express types immediately recognisable — crimson lake livery, polished brass dome and fittings, and a proportion and finish that contemporaries considered the finest in Britain alongside the LNWR and GWR products of the same period.

Johnson designed the 483 Class as the principal 4-4-0 express type for the Midland Railway's St Pancras services to Leeds, Nottingham, and Manchester, routes that had steadily grown in importance as the Midland consolidated its position as the dominant railway of the English Midlands and built its own London terminus at St Pancras in 1868. By the 1890s the Midland was running substantial express passenger services from St Pancras to the major cities of the North and Midlands, and Johnson's 4-4-0 types provided the express motive power for these services alongside his celebrated Spinner single-drivers.

The 483 Class gave excellent service on Midland express duties through the late 1890s and early 1900s, working alongside the Spinners on the premier St Pancras services and on the Midland's cross-country expresses. Deeley and then Fowler's compounds progressively took over the principal express duties from the early 1900s, and the 483 Class moved to secondary express and semi-fast work. The LMS inherited all survivors in 1923 and continued them on secondary passenger duties until progressive withdrawal. None was preserved, though the Johnson 4-4-0 tradition is indirectly represented by the Midland Compound No. 1000 at NRM York.