The reference for locomotives and railcars


Page views since 2023-01-26: 410789
South Manchurian Railway Mikai and Mikako class
China Railway JF1, Korean National Mika1 and Mika5 class and US Army Transportation Corps class 9400
Manchuria | 1918 | 2,095 produced
Manchukuo Mikai No. 1-1500, later China Railway JF1 501
Manchukuo Mikai No. 1-1500, later China Railway JF1 501
VariantMikaiBig MikaMikakoJF1
ManufacturerALCO, Shahekou, Kawasaki, Kisha Seizō, Nippon Sharyō, Hitachi, Sifang, Dalian, Qiqihar, Taiyuan, Mitsubishi
Axle config2-8-2 (Mikado) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length71 ft 10 7/16 in77 ft 11 1/16 in74 ft 3 1/8 in
Service weight217,640 lbs225,466 lbs227,296 lbs228,950 lbs
Adhesive weight167,926 lbs173,327 lbs176,105 lbs176,237 lbs
Total weight408,075 lbs385,478 lbs
Axle load41,983 lbs43,332 lbs44,026 lbs44,059 lbs
Water capacity7,925 us gal6,340 us gal6,340 us gal
Fuel capacity30,865 lbs (coal)21,164 lbs (coal)coal21,164 lbs (coal)
Power sourcesteam
Estimated power2,615 hp (1,950 kW)2,749 hp (2,050 kW)2,816 hp (2,100 kW)
Optimal speed37 mph38 mph
Top speed50 mph
Starting effort45,333 lbf46,652 lbf
Power Plant
Driver diameter53.9 in
Boiler pressure194 psi203 psi
Expansion typesimple
Cylinderstwo, 23 x 28 intwo, 22 13/16 x 27 15/16 in
Grate area54.5 sq ft54.7 sq ft54.8 sq ft
Firebox area258.3 sq ft
Tube heating area2,117.7 sq ft
Evaporative heating area2,376 sq ft
Superheater area699 sq ft
Total heating area3,075 sq ft
Calculated Values
steam locomotive
last changed: 08 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