- NBR Class M 4-4-0
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NBR Class M
LNER Class D31Power type Steam Designer Matthew Holmes Build date built 1884-1899
rebuilt 1918-1922Configuration 4-4-0 Gauge 4 ft 8 1⁄2 in (1,435 mm) Driver diameter 6 ft 6 in (1.98 m) Locomotive weight 46.4 long tons (47.1 t) Fuel type coal Boiler pressure 175 psi (1.21 MPa) Cylinders two inside Cylinder size 18 × 26 in (460 × 660 mm) 1⁄4 Tractive effort 16,515 lbf (73.46 kN) Power class BR: 2P The NBR Class M was a class of 4-4-0 steam locomotive of the North British Railway. The class was rebuilt during the tenures of William P. Reid and Walter Chalmers from three earlier classes, the "574", "633", and "729" which had been designed by Matthew Holmes.
The locomotives passed to the London and North Eastern Railway in 1923 but withdrawals began in 1931 and only seven of the class passed to British Railways in 1948.
Contents
Numbering
British Railways numbers were 62059, 62060, 62062, 62064, 62065, 62066, 62072.
Preservation
The last D31 was withdrawn in 1952 and none was preserved.
Sources
- Ian Allan ABC of British Railways Locomotives, 1948 edition, part 4, page 18
External links
London and North Eastern Railway locomotives Pre-grouping railway designs: D38 • D39 • D40 • D41 • D42 • D43 • D44 • D45 • D46 • D47 • D48 • G10 • J90 • J91 • Z4 • Z5A2 • A6 • A7 • B13 • B14 • B15 • B16 • C6 • C7 • C8 • D17/1 • D17/2 • D18 • D19 • D20 • D21 • D22 • D23 • E5 • E6 • F8 • G5 • G6 • H1 • J21 • J22 • J24 • J25 • J26 • J27 • J71 • J72 • J73 • J74 • J76 • J77 • J78 • J79 • N8 • N9 • N10 • Q5 • Q6 • Q7 • T1 • X1 • X2 • X3 • Y7 • Y8 • EB1 • EE1 • EF1 • ES1D24 • J23 • J28 • J75 • J80 • N11 • N12 • N13 • Q10LNER designs: Gresley (1923–1941):Thompson (1941–1946):Peppercorn (1946–1947):Other designs: This steam locomotive-related article is a stub. You can help Wikipedia by expanding it.