British Railway Steam Locomotive
| Number | 49578 |
| 2nd Grouping Number | |
| 1st Grouping Number | |
| Pre Grouping Number | |
| Works/Lot Number | |
| Class Code | 7F-B |
| Designer | Fowler |
| Built | 08/11/1929 |
| Builder | Crewe Works (LMS) |
| 1948 Shed | 25A Wakefield |
| Last Shed | 26B Agecroft |
| Withdrawn | 02/05/1959 |
| Disposal details | Horwich Works (B.R.) |
| Disposal | Cut Up |
| Disposal Date | 31/05/1959 |
Class InformationBuilt 1929-32. Designed by Sir Henry Fowler.
Total Number Built 175 - Total to BR 175.
Introduced March 1929. Fowler design.
(a) Five locos, 49511/33, 49613/42/70, temporarily converted for oil burning in 1947. 49511 reconverted back for coal burning.
Number Series 49500-49674.
Built as numbers 9500-9674.
Built at London Midland & Scottish Railway Crewe Works.
49500-49599 Lot No. 57 1928
49600-49619 Lot No. 71 1930
49620-49659 Lot No. 81 1931
49660-49674 Lot No. 84 1932
The first withdrawals were in March 1949 when twelve locos, 49517-8, 49525, 49542, 49551, 49565, 49577, 49616, 49630, 49632-3 and 49646 were withdrawn.
The last two locos withdrawn were 49618 and 49627 in October 1961 from Manchester's Agecroft shed.
None are preserved.
Motive Power Details
Weight: Loco 60 tons 15 cwt
Driving Wheel: 4' 8 1/2"
Boil Press: 200lb/sq in Su
Cylinders: Two 19?" x 26" (inside)
Valve Gear: Walschaerts (piston valves)
TE: 29,745 lb
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