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British Railway Steam Locomotive

Please read this statement on the accuracy of the data shown below

Note: To Obtain Consistency in the Steam System, Shed Codes used are those Registered at Nationalisation on 1st January 1948
Number44685 k
2nd Grouping Number
1st Grouping Number
2nd Pre Grouping Number
1st Pre Grouping Number
Works/Lot NumberLot199
Class CodeBLACK
BuilderHorwich Works (LYR/LMS/British Railways)
1948 Shed
Last Shed 5B Crewe South
Disposal detailsBirds Morriston.
Disposal Date31/01/1968
NotesSkefco roller bearings

Class Information

Introduced 1934. Stanier design 5MT. Experimental locos & date introduced:
(a) 1947 Outside Stephenson link motion, Timken roller bearings.
(b) 1948 Caprotti valve gear. (c) 1948 Caprotti valve gear, Timken bearngs.
(d) 1948 Caprotti valve gear, Timken roller bearings, double chimney.
(e) 1947 Timken roller bearings. (f) 1947 Timken bearings, double Chimney.
(g) 1949 Steel firebox. (h) Timken bearings on driving coupled axle only.
(i) 1950 Skefko roller bearings on driving coupled axle only.
(j) 1951 Caprotti valve gear, Skefko roller bearings, double chimney.
(k) Temporarily converted for oil burning in 1947, then reconverted back.
Weight Loco:
72 tons 2 cwt ( )(g), 75 tons 6 cwt (a)(e-f)(h-j), 74 tons 0 cwt (b-d)(k)
Driving Wheel: 6' 0" Boil Press: 225lb/sq in Su
Cylinders: Valve Gear: Walschaerts (piston valves) -
Two 18?" x 28" (outside) TE: 25,455 lb except where stated.

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