The BBÖ 214 were a class of 13 Austrian 2-8-4 express train steam locomotives of the Federal Railways of Austria (Bundesbahnen Österreich, BBÖ). They were the largest steam locomotives ever built in Austria and the most powerful express locomotives with the longest connecting rods that existed in Europe at that time. To date, the 214 has the longest connecting rods in the world. During test runs, a locomotive reached a speed of 155 km/h.