L&YR Class 31

Specifications
Specifications
Configuration:;
• Whyte	0-8-0
Gauge	4 ft 8+1⁄2 in (1,435 mm)
Driver dia.	4 ft 6 in (1.372 m)
Loco weight	66.2 long tons (67.3 t)
Fuel type	Coal
Boiler pressure	180 psi (1.24 MPa)
Cylinders	Two, inside
Cylinder size	21.5 in × 26 in (546 mm × 660 mm)
Valve gear	Joy

Type and origin
Type and origin
Power type	Steam
Designer	George Hughes
Build date	1912-1920
Total produced	New, 115 ; Rebuilds, 40 ; Total, 155

L&YR Class 31
L&YR Class 31
	No. 12928 at Normanton Locomotive Depot on 25 May 1947
Power type
Type and origin
Power type	Steam
Designer	George Hughes
Build date	1912-1920
Total produced	New, 115 ; Rebuilds, 40 ; Total, 155
Configuration:;
Specifications
Configuration:;
• Whyte	0-8-0
Gauge	4 ft 8+1⁄2 in (1,435 mm)
Driver dia.	4 ft 6 in (1.372 m)
Loco weight	66.2 long tons (67.3 t)
Fuel type	Coal
Boiler pressure	180 psi (1.24 MPa)
Cylinders	Two, inside
Cylinder size	21.5 in × 26 in (546 mm × 660 mm)
Valve gear	Joy
Tractive effort
Performance figures
Tractive effort	34,055 lbf (151.5 kN)
Operators
Career
Operators	L&YR, LMS, BR
Power class	LMS 7F
Locale	London Midland Region
Disposition	All scrapped

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]

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

No examples of this class were preserved.

References

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

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[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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