The reference for locomotives and railcars
Natal Government Railways class F
South African class E
South Africa | 1902 | 10 produced
NGR F No. 1, later SAR E #87
NGR F No. 1, later SAR E #87
South African Railways
ManufacturerNeilson & Co., Reid & Co.
Axle config4-6-4T (Hudson) 
Gauge3 ft 6 in (Cape gauge)
Dimensions and Weights
Length32 ft 3 1/4 in
Wheelbase25 ft 7 1/4 in
Fixed wheelbase7 ft 9 in
Service weight87,696 lbs
Adhesive weight57,344 lbs
Axle load20,160 lbs
Water capacity1,297 us gal
Fuel capacity5,040 lbs (coal)
Power sourcesteam
Estimated power350 hp (261 kW)
Optimal speed12 mph
Starting effort18,880 lbf
Power Plant
Driver diameter39 in
Boiler pressure175 psi
Expansion typesimple
Cylinderstwo, 15 x 22 in
Grate area12.7 sq ft
Firebox area70 sq ft
Tube heating area803 sq ft
Evaporative heating area873 sq ft
Total heating area873 sq ft
Calculated Values
steam locomotive
tank 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 English
  • Complete: full name in local language