The reference for locomotives and railcars


Page views since 2023-01-26: 167466
New Zealand Railways class Q (1901)
New Zealand | 1901 | 13 produced
Q 345 together with a group of employees of the NZR
Q 345 together with a group of employees of the NZR
Albert Percy Godber / Godber Collection, Alexander Turnbull Library
Axle config4-6-2 (Pacific) 
Gauge3 ft 6 in (Cape gauge)
Dimensions and Weights
Length55 ft 4 3/16 in
Wheelbase26 ft 3 in
Fixed wheelbase9 ft 2 in
Service weight107,520 lbs
Adhesive weight68,768 lbs
Total weight161,520 lbs
Axle load23,500 lbs
Water capacity2,042 us gal
Fuel capacity11,200 lbs (coal)
Power sourcesteam
Estimated power1,000 hp (746 kW)
Optimal speed33 mph
Starting effort19,540 lbf
Power Plant
Driver diameter49 in
Boiler pressure200 psi
Expansion typesimple
Cylinderstwo, 16 x 22 in
Grate area40 sq ft
Firebox area105.2 sq ft
Tube heating area1,567.8 sq ft
Evaporative heating area1,673 sq ft
Total heating area1,673 sq ft
Calculated Values
steam locomotive
last changed: 10 2023

We use cookies to save the following settings:

  • selected navigation structure
  • selected language
  • preferred units
  • spelling of railway company names

If you refuse the use of cookies, the settings will only be retained for the current session and will be reset to the default values the next time you visit the site.

Display of units

Here you can set the desired unit system for the technical data.

  • Metric: Lengths in meters, weights in tonnes, and volumes in cubic meters
  • Imperial (UK): Lengths in feet/inches, weights in long tons and volumes in imperial gallons
  • Imperial (US): Lengths in feet/inches, weights in pounds, and volumes in US gallons
  • Individual: Depends on the country of origin of each locomotive
Operator names

Here you can set the display of railway company names.

  • Short: Abbreviation or short form of the name
  • Standard: commonly used name, partially translated to German
  • Complete: full name in local language