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New Zealand Railways class G
New Zealand | 1928 | 3 produced
Albert Percy Godber / Godber Collection, Alexander Turnbull Library
General
Built1928
ManufacturerBeyer, Peacock & Co.
Axle config4-6-2+2-6-4T (Double Pacific (Garratt)) 
Gauge3 ft 6 in (Cape gauge)
Dimensions and Weights
Length84 ft 3 3/4 in
Fixed wheelbase21 ft 6 in
Service weight328,832 lbs
Adhesive weight195,664 lbs
Axle load33,376 lbs
Water capacity4,000 us gal
Fuel capacity15,008 lbs (coal)
Power
Power sourcesteam
Estimated power1,800 hp (1,342 kW)
Optimal speed20 mph
Starting effort58,462 lbf
Power Plant
Driver diameter57 in
Boiler pressure200 psi
Expansion typesimple
Cylinderssix, 16 1/2 x 24 in
Boiler
Grate area58.2 sq ft
Firebox area266 sq ft
Tube heating area1,957 sq ft
Evaporative heating area2,223 sq ft
Superheater area542 sq ft
Total heating area2,765 sq ft
Calculated Values
steam locomotive
freight
Garratt
last changed: 01 2024
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