The reference for locomotives and railcars
French State Railway (État) ZZ 207 to 221
French State Railway Y 6020
France | 1931 | 22 produced
Y 6020 in Remiremont
Y 6020 in Remiremont
Joachim Lutz
ManufacturerBaudet Donon Roussel
Axle configB 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length29 ft 2 in
Wheelbase11 ft 7 3/8 in
Fixed wheelbase11 ft 7 3/8 in
Service weight64,816 lbs
Adhesive weight64,816 lbs
Axle load32,408 lbs
Power sourcediesel-mechanic
Top speed34 mph
EngineMercedes Benz oder Renault
Engine type6-cyl. diesel
Engine output99 hp (74 kW)
Power Plant
Calculated Values
diesel 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