Royal Württemberg State Railways
This list covers the locomotives and railbuses operated by the Royal Württemberg State Railways ("Königlich Württembergische Staats-Eisenbahnen"), the national railway company of Württemberg, a state in southwest Germany that was part of the German Empire. In 1920 the Royal Württemberg State Railways, along with the other German state railways (Länderbahnen), were merged into the Deutsche Reichsbahn.