This class of 273 heavy freight locomotives, rated at 7240 hp / 5400 kW were built between 1974 and 1984 as the DDR class 250. Co-Co trucks. 15,000 volts. 125 km/h, 77 mph. . They were built by LEW Hennigsdorf in Berlin which has subsequently been a subsidiary of Daimler-Chrysler and from 2001 a division of Bombardier.