loco-info.com - New Zealand Railways class W.F

Dimensions and Weights
Length	34 ft 2 in
Wheelbase	27 ft
Rigid wheelbase	10 ft
Service weight	97,887 lbs
Adhesive weight	60,257 lbs
Axle load	20,086 lbs
Water capacity	1,141 us gal
Fuel capacity	4,928 lbs (coal)

Boiler
Grate area	15.4 sq ft
Evaporative heating area	729 sq ft
Total heating area	729 sq ft

Power Plant
Driver diameter	45 in
Boiler pressure	200 psi
Expansion type	simple
Cylinders	two, 14 x 22 in

Power
Power source	steam
Estimated power	500 hp (373 kW)
Optimal speed	20 mph
Starting effort	16,290 lbf

Calculated Values
Factor of adhesion	1 : 3.70
Power-to-weight ratio	0.0051 hp/lb
Adhesive weight/Total	1 : 1.62
Tractive force/Heating area	1 : 5023.53

steam locomotive

passenger

tank locomotive

secondary line

last changed: 09 2023

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