NER Class L
|NER Class L
LNER Class J73
|Builder||NER Darlington Works|
|Gauge||4 ft 8 1⁄2 in (1,435 mm)|
|Driver diameter||4 ft 7.25 in (1.403 m)|
|Length||31 ft 8 in (9.65 m)|
|Locomotive weight||46.75 long tons (47.50 t)|
|Fuel capacity||2.5 long tons (2.5 t)|
|Water capacity||1,000 imp gal (4,500 l; 1,200 US gal)|
|Boiler pressure||160 psi (1,100 kPa)|
|Firegrate area||15.6 sq ft (1.45 m2)|
|Cylinder size||19 in × 24 in (480 mm × 610 mm)|
|Tractive effort||21,320 lbf (94,800 N)|
The NER Class L (LNER Class J73) was a class of 0-6-0T steam locomotives of the North Eastern Railway. They were a specialised design, intended for use on the Redheugh and Quayside banks on either side of the River Tyne. They were replaced on the Quayside branch by NER Class ES1 electric locomotives in 1905 but were re-allocated to other duties.
The Class L was Wilson Worsdell's first design for the NER. Unusually for a Wilson Worsdell design, they were fitted with Joy valve gear instead of the Stephenson valve gear fitted to his later locomotives.
All 10 locomotives survived into British Railways ownership in 1948 and their BR numbers were 68355-68364. They were all withdrawn between 1955 and 1960. None have been preserved.
- Ian Allan ABC of British Railways Locomotives, 1948 edition, part 4, page 48
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