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London, Midland & Scottish Ivatt class 4
Great Britain | 1947 | 162 produced
No. 43049 in October 1959 at Birmingham New Street station
No. 43049 in October 1959 at Birmingham New Street station
Ben Brooksbank / LMS Ivatt 2-6-0 at Birmingham New Street
General
Built1947-1952
ManufacturerHorwich, Doncaster, Darlington
Axle config2-6-0 (Mogul) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length55 ft 11 in
Service weight132,383 lbs
Adhesive weight113,097 lbs
Total weight222,653 lbs
Axle load37,479 lbs
Water capacity4,203 us gal
Fuel capacity8,960 lbs (coal)
Power
Power sourcesteam
Estimated power1,130 hp (843 kW)
Optimal speed30 mph
Starting effort24,172 lbf
Power Plant
Driver diameter63 in
Boiler pressure225 psi
Expansion typesimple
Cylinderstwo, 17 1/2 x 26 in
Boiler
Grate area23 sq ft
Firebox area131 sq ft
Tube heating area1,090 sq ft
Evaporative heating area1,221 sq ft
Superheater area231 sq ft
Total heating area1,452 sq ft
Calculated Values
steam locomotive
freight
passenger
last changed: 09 2023
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