The reference for locomotives and railcars


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New Zealand Railways class F
New Zealand | 1872 | 88 produced
No. 223 with staff and the photographer's son around 1908
No. 223 with staff and the photographer's son around 1908
Albert Percy Godber / Godber Collection, Alexander Turnbull Library
Variantas builtnew boiler
ManufacturerNeilson & Co., Dübs & Co., Vulcan Foundry, Avonside, Robert Stephenson & Co., Yorkshire Engine Co., Black, Hawthorn & Co.
Axle config0-6-0ST (Six-coupled) 
Gauge3 ft 6 in (Cape gauge)
Dimensions and Weights
Length23 ft 3 1/2 in
Wheelbase10 ft 5 in
Fixed wheelbase10 ft 5 in
Service weight43,008 lbs
Adhesive weight43,008 lbs
Axle load14,337 lbs
Water capacity420 us gal
Fuel capacity2,128 lbs (coal)
Power sourcesteam
Estimated power175 hp (130 kW)200 hp (149 kW)
Optimal speed19 mph17 mph
Top speed43 mph
Starting effort6,008 lbf7,394 lbf
Power Plant
Driver diameter36.5 in
Boiler pressure130 psi160 psi
Expansion typesimple
Cylinderstwo, 10 1/2 x 18 in
Grate area9.5 sq ft9 sq ft
Firebox area45 sq ft
Tube heating area413 sq ft
Evaporative heating area486.5 sq ft458 sq ft
Total heating area486.5 sq ft458 sq ft
Calculated Values
steam locomotive
tank locomotive
last changed: 09 2023

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