NBR S class
|NBR S Class
LNER Class J37
J37 No. 64608 at Carlisle (Citadel)1960
|Designer||William Paton Reid|
|Gauge||4 ft 8 1⁄2 in (1,435 mm)|
|Driver diameter||5 ft 0 in (1.524 m)|
|Locomotive weight||54 tons 14 cwt (122,500 lb or 55.6 t)|
|Boiler pressure||180 lbf/in2 (1.24 MPa)|
|Cylinder size||19.5 in × 26 in (495 mm × 660 mm)|
|Tractive effort||25,210 lbf (112.14 kN)|
The NBR S Class (LNER Class J37) is a class of 0-6-0 steam locomotive designed by William Paton Reid for freight work on the North British Railway. It was a development of the NBR B class. They were introduced in 1914 and had superheaters, inside cylinders and piston valves operated by Stephenson valve gear.
- "The Reid J37 (NBR Classes B & S) 0-6-0 Locomotives". Lner.info. Retrieved 2012-02-27.
- Ian Allan ABC of British Railways Locomotives, 1948 edition, part 4, p.29
- Casserley, H.C. & Johnston, Stuart W. (1974) . Locomotives at the Grouping 2: London & North Eastern Railway. Shepperton, Surrey: Ian Allan Limited. p. 56. ISBN 0-7110-0553-2.