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Photo © Steve Huddy 5542 is a member of the ex GWR 4575 Class of 2-6-2T prairie tanks - the small prairies - which were introduced in 1927. They were designed by C.B. Collett, a development of G.J. Churchward's 45xx class with enlarged tanks. Weight: 61 tons (full) Driving wheel diameter: 4' 7 1/2" Pony Wheel diameter: 3' 2" Trailing Wheel diameter: 3' 2" Boiler pressure: 200 lb/sq.in. Tractive effort: 21,250 lb Cylinders: (Outside) 17"x 24" Valve gear: Stephenson Tank Capacity: 1,300 gals. Coal Capacity: Length: 36' 4 1/2" Width: 8' 9" Height: 13' Axle load: 15 tons 11 cwt Grate area: 16.6 sq.ft. Heating surface:- Tubes: 992.51 sq.ft. Firebox 94.25sq.ft.
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This site was last updated 08-03-2012