The favourite locomotive class of many fans in 
Hungary, M61, commonly known as NOHAB. 
Now four units of M61 (001, 002, 019, 020) are equipped with
connection to electric train heating cars, after MAV decided
to stop working with steam train heating. This picture shows 
the M61 010 unit pulling a passenger train on a 1% slope, 
before entering the Balatonkenese tunnel, in July 1996.
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Photo and scan by Peter Werner Groh