L&YR Class 4
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| L&YR Class 4 | |
|---|---|
| Specifications | |
| Power type | Steam |
| Designer | George Hughes |
| Build date | Rebuilt 1908-1909 |
| Total produced | 6 |
| Configuration | 4-4-0 |
| Gauge | 4 ft 8 1⁄2 in (1,435 mm) |
| Driver diameter | 7 ft 3 in (2.210 m) |
| Locomotive 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 |
| Tractive effort |
17,576 lbf (78.2 kN) (19") 18,290 lbf (81.4 kN) (20") |
| Career | |
| Railroad(s) | L&YR, LMS |
| Power class | LMS 3P |
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Withdrawals began in 1925 and the last locomotive was withdrawn in 1926. None is preserved.
References
- ↑ Casserley, H.C. and Johnston, S.W., Locomotives at the Grouping, no.3, LMS, page 105, Ian Allan, 1966
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