Prussian T 2 and T 4 - 2-4-0

In 1880, Schichau delivered a 2-4-0T tank locomotive for use on the Berlin Stadtbahn (rapid transit/elevated). It had a small boiler, a condenser and a Hardy vacuum brake. In 1881 and 1882, 69 more locomotives were built. The locomotives of the first batch had cylinders of 350 by 560 mm, while the total heating surface was 59 square metres. The later batch got larger cylinders of 360 by 580 mm and a heating surface of 67 square metres.

In 1900, they were converted to the Westinghouse air brake. When train weights had grown and more powerful locomotives had been introduced, they were used on suburban and secondary lines. In 1906, when the new class scheme was introduced, 54 were designated T 2, while 15 became T 4. All were withdrawn before the Reichsbahn was founded.