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Southern Railway (UK) class U
Great Britain | 1928 | 50 produced
No. 31806 in October 2012 at Kidderminster
No. 31806 in October 2012 at Kidderminster
Tony Hisgett
General
Built1928-1931
ManufacturerAshford, Brighton, Eastleigh
Axle config2-6-0 (Mogul) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length57 ft 10 in
Wheelbase24 ft 4 in
Fixed wheelbase15 ft 6 in
Total wheelbase47 ft 9 1/2 in
Service weight141,120 lbs
Adhesive weight119,840 lbs
Total weight231,840 lbs
Axle load40,880 lbs
Water capacity4,804 us gal
Fuel capacity11,200 lbs (coal)
Power
Power sourcesteam
Estimated power1,250 hp (932 kW)
Optimal speed33 mph
Starting effort23,866 lbf
Power Plant
Driver diameter72 in
Boiler pressure200 psi
Expansion typesimple
Cylinderstwo, 19 x 28 in
Boiler
Grate area25 sq ft
Firebox area135 sq ft
Tube heating area1,526 sq ft
Evaporative heating area1,661 sq ft
Superheater area285 sq ft
Total heating area1,946 sq ft
Calculated Values
steam locomotive
passenger
last changed: 08 2023
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