There were 1155 class SM42 locomotives built by Bumar-Fablok between 1965
& 1992. Also referred to as type 6D, it is a diesel-electric Bo-Bo rated
at 590 kW, 791 hp with a top speed of 90 km/h, 56 mph. They were designed
for light mixed traffic working and for shunting.
SM42 052 shunting in the yard at Warszawa Olszynka Grochowska on Monday, June 27th, 2005.