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LMS Princess Class

LMS Princess Royal Class

The London, Midland and Scottish Railway (LMS) Princess Royal Class is a class of an express passenger steam locomotive designed by William Stanier. They were Pacifics (i.e. had a 4-6-2 wheel arrangement). Thirteen examples were built at Crewe Works, between 1933 and 1935 and two are preserved.


When originally built, they were used to haul the famous Royal Scot train. Two batches were built; a first batch of two, and a second batch of eleven, including a single example of a version using steam turbines instead of cylinders (No.6202). They were withdrawn in the early 1960s in line with British Railways' modernisation plan.

Each locomotive was named after a princess, the official name for the class was chosen as Mary, Princess Royal was the Commander-in-Chief of the Royal Scots. However, they were known to railwaymen as "Lizzies", after the second example of the class named for Princess Elizabeth who later became Queen Elizabeth II of the United Kingdom. Later examples of express passenger locomotive built by the LMS were of the related but larger, Princess Coronation Class.


Two examples, 6201 Princess Elizabeth and 6203 Princess Margaret Rose are preserved.

6201/46201 Princess Elizabeth

6201 was built in 1933 at Crewe Works, the second of its class, and was named after the 7-year-old elder daughter of Albert, Duke of York (later King George VI), Princess Elizabeth (today HM Queen Elizabeth II). Despite the class officially being named after 6200 Princess Royal, the class received the nickname "Lizzies" after 6201.

After nationalisation in 1948, British Railways renumbered her 46201. 46201 was withdrawn in 1962, and was bought by the then Princess Elizabeth Locomotive Society straight from BR service when withdrawn.

46201 was initially kept at the Dowty Railway Preservation Society's premises at Ashchurch, Glos, and then subsequently at the Bulmers Railway Centre in Hereford. When the Bulmers Centre closed in the 1990s the loco moved to the East Lancashire Railway where she now resides when not out on main line tours.

6203/46203 Princess Margaret Rose

6203 was built in 1935 at Crewe Works, the third member of the class and first of the second batch. It was named Princess Margaret Rose after the then 5-year-old daughter of Albert, Duke of York (later King George VI) and younger sister of Queen Elizabeth II, Princess Margaret Rose. After nationalisation in 1948, British Railways renumbered the locomotive 46203, and it was withdrawn in 1962.

After withdrawal, 46203 was bought by Billy Butlin of Butlin's holiday camps. After cosmetic restoration at Crewe, it was moved to Pwllheli in Gwynedd, arriving there in May 1963. It remained there until 1975 when it departed for the Midland Railway Centre in Derbyshire.

Butlins sold the engine for £60,000 in 1985 when restoration to working order started; this was being completed in 1990. The locomotive is now based at the Midland Railway Centre in Derbyshire and is owned by the Princess Royal Locomotive Trust, which also owns another Stanier pacific, 6233 Duchess of Sutherland.

















Name(s) Date
6200 46200 The Princess Royal .
6201 46201 Princess Elizabeth Preserved.
6202 46202 Princess Anne Scrapped after the Harrow and Wealdstone rail crash.
6203 46203 Princess Margaret Rose Preserved. Owned by the Princess Royal Class Locomotive Trust
6204 46204 Princess Louise .
6205 46205 Princess Victoria Fitted with modified valve gear, 1947.Converted back to normal 1955
6206 46206 Princess Marie Louise .
6207 46207 Princess Arthur of Connaught .
6208 46208 Princess Helena Victoria .
6209 46209 Princess Beatrice .
6210 46210 Lady Patricia .
6211 46211 Queen Maud .
6212 46212 Duchess of Kent .


External links


  • Ian Sixsmith The Book of the Princess Royal Pacifics ISBN 1-903266-02-5
  • Hugh Longworth British Railway Steam Locomotives 1948-1968 ISBN 0-86093-593-0
  • Rowledge, J.W.P. (1975). Engines o0f the LMS, built 1923–51. Oxford: Oxford Publishing Company.

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