| The Co-Co Class 181 is a former Czech CSD E.669.1, which was built in 1961/62 by Skoda. After 2005 more than 35 units were sold to Poland. One privat operator is Lotos Kolej, a subsidiary of Lotos, the biggest oil company of Poland. Since 2012, Lotos Kolej been the number two company on the Polish railway cargo transport market for transport operations. |