LNER Class D41

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LNER D41 class
ex-GNSR S and T classes
Elgin with ex-GNofS 4-4-0 geograph-2851825-by-Ben-Brooksbank.jpg
No. 2251 at Elgin station 26 August 1948
Type and origin
Power typeSteam
DesignerClass S: James Johnson
Class T: William Pickersgill
Builder Neilson and Company
Build date1893–1898
Total produced6 Class S, 26 Class T
Specifications
Configuration:
   Whyte 4-4-0
Gauge 4 ft 8+12 in (1,435 mm)
Leading dia. 3 ft 9.5 in (1.156 m)
Driver dia.6 ft 1 in (1.854 m)
Loco weightClass S: 43  long tons 18  hundredweight (44.6  t); Class T: 45 long tons (45.7  t)
Boiler pressure165  psi (1.14  MPa)
Cylinders Two, inside
Cylinder size 18 × 26 in (452×660 mm)
Valve gear Stephenson, slide valves
Performance figures
Tractive effort 16,184  lbf (71.99  kN)
Career
Operators Great North of Scotland Railway
London and North Eastern Railway
British Railways
Class GNSR: S & T
LNER/BR: D41
Power classBR: 2P
Retired1946–1953
DispositionAll scrapped

The London and North Eastern Railway (LNER) D41 class was a type of 4-4-0 steam locomotive inherited from the Great North of Scotland Railway (GNSR). The class consisted of two similar GNSR classes: 'S' (introduced in 1893 and designed by James Johnson) and 'T' (introduced in 1895 and designed by William Pickersgill). The two classes were similar but with detail differences to the boiler. [1]

Contents

Construction history

Class S

In December 1893 six locomotives were supplied by Neilson (works nos. 4640–4646) and were numbered 78–83. [2]

Class T

Between December 1895 and February 1898 a further twenty six locomotives were supplied in two batches by Neilson (works nos. 4877-90 and 5212–23), fitted with a larger boiler. Nine of these had been reboilered between 1916 and 1923, making them indistinguishable from the 'S' class, and the remainder were similarly reboilered by the London and North Eastern Railway (LNER) after 1923. The LNER therefore treated them all as a single class, 'D41'.

British Railways

The first locomotive was withdrawn in 1946, but 22 locomotives passed into British Railways ownership in 1948. BR renumbered them by adding 60000 to their 1946 LNER number.

The last locomotive was withdrawn in 1953, and all have been scrapped.

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References

  1. Baxter, Bertram; David Baxter; Peter Mitchell (2012). British Locomotive Catalogue 1825-1923. Vol. 6. Southampton: Kestrel Railway Books. pp. 239–241. ISBN   978-1-905505-26-5.
  2. Baxter (2012), p.239.