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British Railway Steam Locomotive

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Number44685 k
2nd Grouping Number
1st Grouping Number
2nd Pre Grouping Number
1st Pre Grouping Number
Works/Lot NumberLot199
Class CodeBLACK
DesignerStanier
Built31/08/1950
BuilderHorwich Works (British Railways)
1948 Shed
Last Shed 5B Crewe South
Withdrawn30/04/1967
Disposal detailsBirds Morriston.
Disposal
Disposal Date31/01/1968
NotesSkefco roller bearings
Built 1934-51. Designed by William A Stanier.

Total Number Built 842 - Total to BR 842.

Introduced August 1934. Stanier London Midland & Scottish Railway (LMS) design Classification 5MT.

There are a number of experimental sub-divisions of this class, which include differences in boiler mountings, special valve gears, roller bearings, double chimneys and various combinations of these features.

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.

Number Series 44658-45499.

Built by:

45000-45019 Lot No. 114 1934 Crewe Works
45020-45069 Lot No. 119 1934 Vulcan Foundry Works
45070-45074 Lot No. 122 1935 Crewe Works
45075-45124 Lot No. 123 1935 Vulcan Foundry Works
45125-45224 Lot No. 124 1935 Armstrong Whitwoth & Co. Ltd Works
45225-45451 Lot No. 131 1936 Armstrong Whitwoth & Co. Ltd Works
45452-45471 Lot No. 142 1938 Crewe Works
45472-45481 Lot No. 151 1939 Derby Works
45482-45491 Lot No. 152 1939 Derby Works
45492-45499 Lot No. 153 1939 Derby Works
44800-44806 Lot No. 153 1939 Derby Works
44807-44825 Lot No. 170 SPL Derby Works
44826-44871 Lot No. 170 SPL Crewe Works
44872-44931 Lot No. 174 1945 Crewe Works
44932-44966 Lot No. 174 1945 Horwich Works
44967-44981 Lot No. 183 1946 Crewe Works
44982-44996 Lot No. 183 1946 Horwich Works
44997-44999 Lot No. 187 1947 Horwich Works
44738-44782 Lot No. 187 1947 Crewe Works
44783-44799 Lot No. 187 1947 Horwich Works
44698-44717 Lot No. 192 1948 Horwich Works
44718-44737 Lot No. 192 1948 Crewe Works
44658-44667 Lot No. 199 1949 Crewe Works BR
44668-44697 Lot No. ?99 1949 Horwich Works BR

The first batch of engines built by the Vulcan Foundry differed from the first Crewe built batch in that the pipes to the top feed were not recessed into the boiler lagging and there was no step plate under the smokebox door. Both features were later modified to conform with the Crewe built engines.

Four engines (posibly five), were named after Scottish Army Regiments.

The first loco withdrawn was 45401 in November 1961 from ?? shed after it was in a collision at Warrington with Jubilee Class loco 45630 Swaziland, which was also withdrawn.
The last 46 locos were withdrawn in August 1968 at the end of steam on British Railways: 44690, 44709/713/735/781, 44806/809/871/874/877/888/894/897, 44932/950/971, 45017/025/055/073/095/096, 45110/134/156, 45206/212/231/260/262/268/269/287, 45305/310/318/330/342/350/386/388/390/397, 45407/444/447.

Twelve locos are preserved:

44767, 44806, 44871, 44932, 45000, 45025, 45110, 45212, 45231, 45305, 45407 and 45428.

Motive Power Details
Weight:
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: Two 18?" x 28" (outside)
Valve Gear: Walschaerts (piston valves) - except where stated.
TE: 25,455 lb

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