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Page views since 2023-01-26: 439595

New Zealand | 1928 | 3 produced

Albert Percy Godber / Godber Collection, Alexander Turnbull Library Public Domain

General
Built	1928
Manufacturer	Beyer, Peacock & Co.
Axle config	4-6-2+2-6-4T (Double Pacific (Garratt))
Gauge	3 ft 6 in (Cape gauge)

Dimensions and Weights
Length	84 ft 3 3/4 in
Rigid wheelbase	21 ft 6 in
Service weight	328,832 lbs
Adhesive weight	195,664 lbs
Axle load	33,376 lbs
Water capacity	4,000 us gal
Fuel capacity	15,008 lbs (coal)

Boiler
Grate area	58.2 sq ft
Firebox area	266 sq ft
Tube heating area	1,957 sq ft
Evaporative heating area	2,223 sq ft
Superheater area	542 sq ft
Total heating area	2,765 sq ft

Power Plant
Driver diameter	57 in
Boiler pressure	200 psi
Expansion type	simple
Cylinders	six, 16 1/2 x 24 in

Power
Power source	steam
Estimated power	1,800 hp (1,342 kW)
Optimal speed	20 mph
Starting effort	58,462 lbf

Calculated Values
Factor of adhesion	1 : 3.35
Power-to-weight ratio	0.0055 hp/lb
Heating Area Equivalent	4,637 sq ft
Cylinder volume/HAE	1 : 1171.27
Adhesive weight/Total	1 : 1.68
Tractive force/Heating area	1 : 4753.27
Grate area/Heating area	1 : 42.94
Firebox/Tube area	1 : 9.39
Total/Superheater	1 : 4.10

steam locomotive

freight

Garratt

last changed: 01 2024

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