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New Zealand Railways class N
New Zealand | 1885 | 12 produced
No. 354 on an old photo
No. 354 on an old photo
Albert Percy Godber / Godber Collection, Alexander Turnbull Library
Variant1885 variant1901 variant
General
Built1885, 18911901
ManufacturerBaldwin
Axle config2-6-2 (Prairie) 
Gauge3 ft 6 in (Cape gauge)
Dimensions and Weights
Length50 ft 2 in
Wheelbase23 ft 2 in22 ft 1 in
Rigid wheelbase9 ft 6 in
Total wheelbase42 ft 4 in40 ft 11 1/2 in
Service weight65,408 lbs69,810 lbs
Adhesive weight50,480 lbs50,310 lbs
Total weight101,248 lbs110,000 lbs
Axle load17,360 lbs17,300 lbs
Water capacity6,005 us gal
Fuel capacity16,800 lbs (coal)
Boiler
Grate area16 sq ft
Firebox area87.5 sq ft82 sq ft
Tube heating area830.4 sq ft802 sq ft
Evaporative heating area914 sq ft884 sq ft
Total heating area914 sq ft884 sq ft
Variant1885 variant1901 variant
Power Plant
Driver diameter49 in
Boiler pressure135 psi200 psi
Expansion typesimple
Cylinderstwo, 15 x 20 in
Power
Power sourcesteam
Estimated power350 hp (261 kW)400 hp (298 kW)
Optimal speed21 mph16 mph
Starting effort10,538 lbf15,612 lbf
Calculated Values
steam locomotive
passenger
last changed: 09 2023
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