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Great Western Railway class 6800 “Grange”
Great Britain | 1936 | 80 produced
No. 6866 “Morfa Grange” in front of No. 6824 “Ashley Grange” at Southall Depot in November 1962
No. 6866 “Morfa Grange” in front of No. 6824 “Ashley Grange” at Southall Depot in November 1962
Ben Brooksbank
General
Built1936-1939
ManufacturerSwindon
Axle config4-6-0 (Ten-wheeler) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length63 ft 0 5/16 in
Wheelbase27 ft 1 in
Fixed wheelbase14 ft 9 in
Total wheelbase42 ft 5 in
Service weight165,760 lbs
Adhesive weight123,424 lbs
Total weight255,360 lbs
Axle load38,192 lbs
Water capacity4,203 us gal
Fuel capacity15,680 lbs (coal)
Power
Power sourcesteam
Estimated power1,750 hp (1,305 kW)
Optimal speed39 mph
Starting effort28,877 lbf
Power Plant
Driver diameter68 in
Boiler pressure225 psi
Expansion typesimple
Cylinderstwo, 18 1/2 x 30 in
Boiler
Grate area27.1 sq ft
Firebox area154.8 sq ft
Tube heating area1,532.2 sq ft
Evaporative heating area1,687 sq ft
Superheater area253 sq ft
Total heating area1,940 sq ft
Calculated Values
steam locomotive
passenger
freight
last changed: 09 2023
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