L&YR Class 4

L&YR Class 4
Type and origin
Power type Steam
Designer George Hughes
Build date Rebuilt 1908-1909
Total produced 6
Specifications
Configuration 4-4-0
Gauge 4 ft 8 1⁄2 in (1,435 mm)
Driver dia. 7 ft 3 in (2.210 m)
Loco weight 48.75 long tons (49.53 t)
Fuel type Coal
Boiler pressure 180 psi (1.24 MPa)
Cylinders 2
Cylinder size 19 in × 26 in (483 mm × 660 mm) or
20 in × 26 in (508 mm × 660 mm)
Valve gear Joy or
Walschaerts
Performance figures
Tractive effort 17,576 lbf (78.2 kN) (19")
18,290 lbf (81.4 kN) (20")
Career
Operators L&YR, LMS
Power class LMS 3P
Withdrawn 1925-1926
Disposition All scrapped

The L&YR Class 4 was a class of 4-4-0 steam locomotives of the Lancashire and Yorkshire Railway. The class comprised six rebuilds, with superheater, of L&YR Class 3 locomotives. All six passed to the London, Midland and Scottish Railway at the grouping in 1923.[1]

Overview

There were two different versions of the rebuild. One had 19" bore cylinders and Joy valve gear. The other had 20" bore cylinders and Walschaerts valve gear.

Numbering

L&YR no. LMS no. Cylinders
1112 10190 19"
1110 10191 20"
1104 10192 20"
1098 10193 20"
1105 10194 20"
455 10195 19"

Withdrawal

Withdrawals began in 1925 and the last locomotive was withdrawn and scrapped in 1926. None have been preserved.

References

  1. ↑ Casserley, H.C. and Johnston, S.W., Locomotives at the Grouping, no.3, LMS, page 105, Ian Allan, 1966


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