The Prussian G 5.5's were early German freight locomotives with a compound engine.
Unlike the otherwise identical G 5.4 they had a leading Adams axle instead of a Krauss-Helmholtz bogie.
The Deutsche Reichsbahn took over several of these locomotives as nos.
In the Second World War several more G 5.5's were reclaimed by the Reichsbahn from Poland, nos.
Other railways also procured this class: