The reference for locomotives and railcars
Hungarian State Railways series 601
Czechoslovak State Railways class 636.0 and Yugoslav Railway class 32
Austria-Hungary | 1914 | 60 produced
Variantearly batcheslate batches
Axle config2-6-6-0 (Mogul Mallet) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length74 ft 0 9/16 in
Length loco47 ft 9 3/4 in
Wheelbase39 ft 0 1/2 in
Fixed wheelbase5 ft 6 15/16 in
Empty weight220,021 lbs
Service weight234,792 lbs241,097 lbs
Adhesive weight213,143 lbs213,628 lbs
Total weight360,059 lbs358,251 lbs
Axle load34,789 lbs36,090 lbs
Water capacity6,076 us gal
Fuel capacity17,637 lbs (coal)
Power sourcesteam
Indicated power2,328 hp (1,736 kW)
Optimal speed29 mph
Top speed37 mph
Starting effort51,707 lbf
with start valve62,048 lbf
Power Plant
Driver diameter56.7 in
Boiler pressure218 psi
Expansion typecompound
Cylindersfour, HP: 20 1/2 x 26 in
and LP: 33 7/16 x 26 in
Grate area54.8 sq ft56.4 sq ft
Firebox area247.6 sq ft276.6 sq ft
Tube heating area2,712.5 sq ft2,378.8 sq ft
Evaporative heating area2,960.1 sq ft2,655.5 sq ft
Superheater area710.4 sq ft939.7 sq ft
Total heating area3,670.5 sq ft3,595.1 sq ft
Calculated Values
steam locomotive
last changed: 01 2024

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