The reference for locomotives and railcars
Polish State Railways Ol49
Poland | 1951 | 115 produced
Ol49-32 in 1995 with a double deck train
Ol49-32 in 1995 with a double deck train
Dale Roberts
Ol49-59 in April 2009 in front of a special train
Ol49-59 in April 2009 in front of a special train
Axle config2-6-2 (Prairie) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length67 ft 10 in
Length loco33 ft 7 9/16 in
Wheelbase57 ft 7 3/4 in
Total wheelbase13 ft 1 1/2 in
Empty weight165,567 lbs
Service weight183,535 lbs
Adhesive weight113,317 lbs
Total weight333,779 lbs
Axle load37,809 lbs
Water capacity6,604 us gal
Fuel capacity26,455 lbs (coal)
Power sourcesteam
Estimated power1,609 hp (1,200 kW)
Optimal speed37 mph
Top speed62 mph
Starting effort27,521 lbf
Power Plant
Driver diameter68.9 in
Boiler pressure232 psi
Expansion typesimple
Cylinderstwo, 19 11/16 x 24 13/16 in
Grate area39.8 sq ft
Firebox area179.8 sq ft
Tube heating area1,573.7 sq ft
Evaporative heating area1,753.4 sq ft
Superheater area735.2 sq ft
Total heating area2,488.6 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 English
  • Complete: full name in local language