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Record: 71951 (21/04/2026)
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GNR/LNER Gresley "J50" Class 0-6-0T


Class Types
GNR Class J23
LNER Class J50

General
Designer Sir Nigel Gresley
Introduced 1922
Pre-Grouping Company Great Northern Railway
Grouping Company London and North Eastern Railway
Description (1957) Class J50. Great Northern Gresley 0-6-0T's with 4'8" wheels. The class consists of 102 engines built between 1913 and 1937, all of which are still running in 1957.
Wheel Arrangement 0-6-0T
Number Built as J50 72
First in Service 10/1922
Last in Service 09/1963
Manufacturers
ManufacturerTotal
Doncaster Works 88
Gorton Works 14
Orders
BuilderSponsorOrder #DateSize
Doncaster Works  296 1922 10
Doncaster Works  300 1924 10
Doncaster Works  306 1926 10
Doncaster Works  307 1926 9
Doncaster Works  308 1926 10
Doncaster Works  309 1927 3
Doncaster Works  318 1930 6
Gorton Works  n/a 1938 8
Gorton Works  n/a 1939 6

Illustration
Copyright: Unknown - please contact me if you know the copyright holder
Power
J50/1 J51/2 rebuild Steam braked Vacuum braked
Variant Introduced 1929 1929 1926 1938
Miscellaneous Differences J51/1 rebuild
As J50/1
As J50/1

Wheels
J50/1 J51/2 rebuild Steam braked Vacuum braked

Dimensions
J50/1 J51/2 rebuild Steam braked Vacuum braked

Boiler & Firebox
J50/1 J51/2 rebuild Steam braked Vacuum braked