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BR 13.17

The railways of Württemberg had followed the developments of the superheated steam engines before they are actually going to use this new technique. In 1907, when for example more and more steam engines of the Prussian railways were built according to this principle, the railways in Württemberg decided to transform two steam engines of type AD to superheated steam engines. Because of the increase of power with 20%, later on, all 2'B express train locomotives were only built with the superheated principle, and put into service as type ADh.

Until the steam engines of type C (BR 18.1) were built, 17 locomotives of type ADh were built. All were built by the Maschinefabrik Esslingen. Besides the superheating and non superheating there were no big differences between the AD and the ADh. At the superheated variant, they had lowered the boiler pressure from 14 to 12 bar and both outside cylinders had a diameter of 490 mm (AD: 450/670 mm).

On a flatland the ADh was able to pull a train of 900 ton with a speed of 100 km/h, and on a hillside of 10‰ with a speed of 50 km/h.

The DRG took over 14 locomotives and put them into service as type BR 13.17 with the numbers: 13 1701 up to 13 1714. In 1932 the last ADh locomotives were set aside.

Axle layout: 2'B h2
In service: 1907-1909
Diameter driving wheels: 180 cm
Diameter carrying wheels: 85 cm/-

Lengte over de buffers
(met tender 2'3'T38 St):
15,427 m
Top speed: 100 km/h
Boiler pressure: 12 bar
Cylinder diameter: 490 mm
Weight: 51,4 t