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The last D20 was withdrawn in 1957 and none were preserved.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