to be restored. 05 003 went into regular service in 1950, the other two in 1951. Boiler pressure was reduced to 16 bar, meaning the engines lost some of their old power. All three locomotives were used to haul express trains until 1958.

The class mostly hauled the FD (long-distance express) trains "Hanseat" and "Domspatz" on the run Hamburg - Cologne - Frankfurt. The regular top speed of the trains was 140 km/h. On this 703 km run the