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London & North Eastern class A8
Great Britain | 1931 | 45 produced
British Railways No. 69873 in June 1954 at Middlesbrough depot
British Railways No. 69873 in June 1954 at Middlesbrough depot
Ben Brooksbank / Ex-North Eastern Raven Class A8 4-6-2T at Middlesbrough Locomotive Depot
General
Built1931-1936
ManufacturerGateshead
Axle config4-6-2T (Pacific) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length42 ft 6 in
Wheelbase33 ft 3 in
Service weight194,432 lbs
Adhesive weight119,056 lbs
Axle load39,872 lbs
Water capacity2,402 us gal
Fuel capacity8,960 lbs (coal)
Power
Power sourcesteam
Estimated power975 hp (727 kW)
Optimal speed27 mph
Starting effort22,890 lbf
Power Plant
Driver diameter69 in
Boiler pressure175 psi
Expansion typesimple
Cylindersthree, 16 1/2 x 26 in
Boiler
Grate area23 sq ft
Firebox area124 sq ft
Tube heating area961 sq ft
Evaporative heating area1,085 sq ft
Superheater area191 sq ft
Total heating area1,276 sq ft
Calculated Values
steam locomotive
passenger
tank locomotive
last changed: 10 2023
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