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Great Western Railway classes 5205 and 5275
Great Britain | 1923
100 produced
No. 5241 in February 1962 at the Swindon works
No. 5241 in February 1962 at the Swindon works
Ben Brooksbank / A GW 2-8-0T at Swindon Works, fresh from repair

The GWR class 5205 was a class of 2-8-0T tank locomotives designed by Charles Collett for coal traffic on the short, but steep lines from the coal mines in South Wales to the ports. It was based on Churchward's class 4200 that had been used since 1910 in the same role. The new class was generally very similar, but had cylinders whose diameter was half an inch bigger.

Between 1923 and 1926, 70 had been built at Swindon which got the numbers 5205 to 5274. In 1930, numbers 5275 to 5294 followed and since they had curved instead of straight frames, they were designated as class 5275. Between 1934 and 1936, 20 locomotives of class 5205 and all 20 of class 5275 were rebuilt to the 2-8-2T class 7200.

Since the numbers from 5255 had been freed due to the rebuilds, ten more locomotives of class 5275 were built in 1940 and numbered 5255 to 5264. Most locomotives of these classes were withdrawn between 1961 and 1965. Three are still existing, with 5239 “Goliath” being operational at the Dartmouth Steam Railway and 5224 in store since 2011.

General
Built1923-1926, 1930, 1940
ManufacturerSwindon
Axle config2-8-0T (Consolidation) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Wheelbase28 ft 9 in
Rigid wheelbase20 ft
Service weight184,120 lbs
Water capacity2,162 us gal
Fuel capacity8,960 lbs (coal)
Boiler
Grate area20.6 sq ft
Firebox area154.8 sq ft
Tube heating area1,686.2 sq ft
Evaporative heating area1,841 sq ft
Superheater area253 sq ft
Total heating area2,094 sq ft
Power Plant
Driver diameter55.5 in
Boiler pressure200 psi
Expansion typesimple
Cylinderstwo, 19 x 30 in
Power
Power sourcesteam
Estimated power1,100 hp (820 kW)
Optimal speed21 mph
Starting effort33,173 lbf
Calculated Values
steam locomotive
freight
tank locomotive
Charles Benjamin Collett
last changed: 09/2024
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