The reference for locomotives and railcars
London & North Western Prince of Wales Tank class
class 2665 or “5ft 6in Tank (Superheated)”
Great Britain | 1910 | 47 produced
No. 2273
No. 2273
Axle config4-6-2T (Pacific) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Wheelbase33 ft 9 in
Fixed wheelbase14 ft
Service weight174,720 lbs172,480 lbs
Adhesive weight99,680 lbs98,560 lbs
Axle load36,960 lbs
Water capacity2,042 us gal
Fuel capacity6,720 lbs (coal)
Power sourcesteam
Estimated power750 hp (559 kW)1,050 hp (783 kW)
Optimal speed25 mph30 mph
Starting effort19,323 lbf22,584 lbf
Power Plant
Driver diameter68.5 in
Boiler pressure175 psi
Expansion typesimple
Cylinderstwo, 18 1/2 x 26 intwo, 20 x 26 in
Grate area23.9 sq ft
Firebox area137 sq ft138 sq ft
Tube heating area1,338 sq ft1,192 sq ft
Evaporative heating area1,475 sq ft1,330 sq ft
Superheater area248 sq ft
Total heating area1,475 sq ft1,578 sq ft
Calculated Values
steam locomotive
tank locomotive
last changed: 08 2023

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