L&YR Class 31

The L&YR Class 31 was a class of 0-8-0 steam locomotives of the Lancashire and Yorkshire Railway. The class was designed by George Hughes and introduced in 1912. The class comprised 115 new locomotives and 40 rebuilt from other classes.[2]

L&YR Class 31
No. 12928 at Normanton Locomotive Depot on 25 May 1947
Type and origin
Power typeSteam
DesignerGeorge Hughes
Build date1912-1920
Total producedNew, 115
Rebuilds, 40
Total, 155
Specifications
Configuration:
​
 • Whyte0-8-0
Gauge4 ft 8 1⁄2 in (1,435 mm)
Driver dia.4 ft 6 in (1.372 m)
Loco weight66.2 long tons (67.3 t)
Fuel typeCoal
Boiler pressure180 psi (1.24 MPa)
CylindersTwo, inside
Cylinder size21.5 in × 26 in (546 mm × 660 mm) [1]
Valve gearJoy
Performance figures
Tractive effort34,055 lbf (151.5 kN)
Career
OperatorsL&YR, LMS, BR
Power classLMS 7F
LocaleLondon Midland Region
DispositionAll scrapped

Transfer to LMS

The locomotives passed to the London, Midland and Scottish Railway (LMS) in 1923. The LMS numbered them 12840-12994 and gave them the power classification 7F.

Transfer to BR

In 1948, British Railways (BR) inherited 17 locomotives and numbered them in the range 52841-52971.[3]

Withdrawal

All were withdrawn and later scrapped with none being preserved.

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References
  1. Ian Allan ABC of British Railways Locomotives, 1948 edition, part 3, page 44
  2. Casserley, H.C. and Johnston, S.W., Locomotives at the Grouping, no.3, LMS, page 130, Ian Allan, 1966
  3. "Rail UK Steam Loco Class Information". Railuk.info. Retrieved 13 April 2012.
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