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LNER D41 class ex-GNSR S and T classes
No. 2251 at Elgin station 26 August 1948
Type and origin Power type Steam Designer Class S: James Johnson Class T: William Pickersgill Builder Neilson and Company Build date 1893–1898 Total produced 6 Class S, 26 Class T
Specifications Configuration: ​  • Whyte 4-4-0 Gauge 4 ft 8+1⁄2 in (1,435 mm) Leading dia. 3 ft 9.5 in (1.156 m) Driver dia. 6 ft 1 in (1.854 m) Loco weight Class S: 43 long tons 18 hundredweight (44.6 t); Class T: 45 long tons (45.7 t) Boiler pressure 165 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 class BR: 2P Retired 1946–1953 Disposition All 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.

Construction history

Class S

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

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The first locomotive was withdrawn in 1946, but 22 locomotives passed into British Railways ownership in 1948.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The last locomotive was withdrawn in 1953, and all have been scrapped.

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.

External links

• LNER database Class D41

• 4-4-0 locomotives
• Great North of Scotland Railway
• London and North Eastern Railway locomotives
• Neilson locomotives
• Railway locomotives introduced in 1893
• Scrapped locomotives
• Standard gauge steam locomotives of Great Britain
• Passenger locomotives