Tank Locomotive.

In 1882, Henschel delivered the first example of a three-axle saturated steam locomotive for branch line service to the Prussian State Railways. The T 3 impressed people with its easy maintenance, sturdiness, and versatility. The jurors at the Chicago World"s Fair in 1893 were also convinced. They awarded a prize to the 11 year old design. Even 13 years later, the manufacturers still dared to exhibit the T 3. In Milan, Hanomag presented the last locomotive, equipped with a Lentz poppet valve control as an experiment. The exhibition efforts paid off for the companies involved. Locomotives of similar design went to China, France, Greece, and Italy. The German State Railroad assigned it the class designation 89.70. In Germany, numerous private railroads purchased the T 3 in addition to the Prussian State Railways. Starting in 1891, the Royal Württemberg State Railways also joined the ranks of railroads operating the T 3. The first units were produced by Krauss in neighboring Bavaria. Thereafter all locomotives came from Württemberg factories, the Maschinenbau-Gesellschaft Heilbronn, and Machinenfabrik Esslingen. The running gear for the Württemberg locomotives was designed to be more powerful, and the wheel diameter was somewhat smaller. Instead of the outboard mounted Allan valve gear, they were equipped with Heusinger valve gear. These locomotives were in service on the German State Railroad as the class 89.3. Several units of both classes were used by the government-owned railroads in both West and East Germany after 1945. Finally, road numbers 89 7296 and 7377 were retired from the German Federal Railroad in 1961.