Indian Railways diesel locomotive WDM4 No. 18001 among some
others. Why WDM4, by the way? There was a WDM3 too, 8 units
built by Henschel with hydrodynamic transmission, now all out
of service. Under the new system since 2002, WDM3 was re-used
for higher powered versions of the WDM2 (the WDM3A and WDM3D).
National Rail Museum New Delhi, 2012-12-07.
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<a href="mailto:tbk.uncia@gmail.com">tobias b k&ouml;hler</a>