The NER Class R (later, LNER Class D20) was a class of

4-4-0 4-4-0 is a locomotive type with a classification that uses the Whyte notation for the classification of steam locomotives by wheel arrangement and represents the arrangement: four leading wheels on two axles (usually in a leading bogie), four ...

steam locomotive A steam locomotive is a locomotive that provides the force to move itself and other vehicles by means of the expansion of steam. It is fuelled by burning combustible material (usually coal, oil or, rarely, wood) to heat water in the loco ...

, designed by Wilson Worsdell for the North Eastern Railway. They passed to the

London and North Eastern Railway The London and North Eastern Railway (LNER) was the second largest (after LMS) of the " Big Four" railway companies created by the Railways Act 1921 in Britain. It operated from 1 January 1923 until nationalisation on 1 January 1948. At th ...

(LNER) in 1923. In 1936, some were rebuilt with long-travel piston valves and classified D20/2. The unrebuilt locomotives were re-classified D20/1.

Numbering

Forty-six D20/1 and three D20/2 locomotives passed to

British Railways British Railways (BR), which from 1965 traded as British Rail, was a state-owned company that operated most of the overground rail transport in Great Britain from 1948 to 1997. It was formed from the nationalisation of the Big Four British ...

in 1948 and they were numbered 62340-62397 (with gaps).

Preservation

The last D20 was withdrawn in 1957 and none were preserved.

References

External links

D20/1
''Rail UK''
D20/2
''Rail UK''
The W.Worsdell Class D20 (NER Class R) 4-4-0 Locomotives
''LNER Encyclopedia'' R 4-4-0 locomotives Railway locomotives introduced in 1899 Scrapped locomotives Standard gauge steam locomotives of Great Britain {{England-steam-loco-stub Passenger locomotives