One notable feature was the particularly large coal and water tanks requested by the Railway.

After the Palatine P 5 had proved successful, the Royal Bavarian State Railways (Königlich Bayerische Staatsbahn) decided to procure more of this class in a more powerful version.

In 1923 a further 10 of these two-cylinder superheated steam engines were ordered for Bavaria as the Bavarian Pt 3/6.

All the engines were taken over by the Reichsbahn, the Bavarian versions being given the operating numbers 77 110–119.

One locomotive remained with the East German DR and was retired in 1956.