The reference for locomotives and railcars


Page views since 2023-01-26: 317525
South Manchurian Railway Mikaro class
China Railway JF6, Korean National Mika6, North Korean State Railway Migayu and Vietnamese State Railway Giải Phóng 6
Manchuria | 1934 | ca. 475 produced
Manchukuo No. 6648 in a factory photo
Manchukuo No. 6648 in a factory photo
ManufacturerKawasaki, Hitachi, Shahekou, Kisha Seizō, Nippon Sharyō, Shenyang
Axle config2-8-2 (Mikado) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length69 ft 6 5/8 in
Service weight207,014 lbs
Adhesive weight146,078 lbs
Total weight323,572 lbs
Axle load36,817 lbs
Water capacity2,536 us gal
Fuel capacity52,911 lbs (coal)
Power sourcesteam
Estimated power1,743 hp (1,300 kW)
Optimal speed29 mph
Top speed50 mph
Starting effort38,954 lbf
Power Plant
Driver diameter53.9 in
Boiler pressure203 psi
Expansion typesimple
Cylinderstwo, 20 7/8 x 27 15/16 in
Grate area49.2 sq ft
Evaporative heating area1,851.4 sq ft
Superheater area522 sq ft
Total heating area2,373.4 sq ft
Calculated Values
steam locomotive
last changed: 09 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