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South African class FD
South Africa | 1925 | 4 produced
Works photo of the North British Locomotive Works
Works photo of the North British Locomotive Works
General
Built1925
ManufacturerNorth British
Axle config2-6-2+2-6-2T (Modified Fairlie)
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length65 ft 7 3/4 in
Wheelbase58 ft 7 in
Fixed wheelbase8 ft 6 in
Service weight255,515 lbs
Adhesive weight163,186 lbs
Axle load27,668 lbs
Water capacity4,564 us gal
Fuel capacity11,200 lbs (coal)
Power
Power sourcesteam
Estimated power1,300 hp (969 kW)
Optimal speed23 mph
Starting effort35,922 lbf
Power Plant
Driver diameter46 in
Boiler pressure180 psi
Expansion typesimple
Cylindersfour, 15 x 24 in
Boiler
Grate area40.9 sq ft
Firebox area177.6 sq ft
Tube heating area1,552 sq ft
Evaporative heating area1,729.6 sq ft
Superheater area371 sq ft
Total heating area2,100.6 sq ft
Calculated Values
steam locomotive
passenger
freight
modified Fairlie
last changed: 10 2023
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