B 20 (Indonesian Steam Loco)

rail transportation had been a means of urban transport in the city of Semarang. The route of which is Jurnatan-Pendrikan. Jurnatan station built by the private railway companies Joeana Stoomtram Semarang-Maatschappij (SJS) in 1882 and Pendrikan station built by the railroad company's private railway Cheribon Stoomtram Semarang-Maatschappij (SCS) in 1897. The line was through the Youth Road, Fur and Indraprasta. In the year 1900 - 1907, SCS brings B20 19 steam locomotives from Beyer Peacock factory (UK) and Werkpoor (Netherlands). Tram with this steam locomotive facilitate the public in conducting their daily activities. Tram is used for short distance passenger transportation. SCS then extend the railway line from Semarang to Cirebon. The railway route Semarang-Cirebon also called 'sugar pathway' (Suikerlijn) because this track was built to serve not less than 27 sugar mills are located on the northern coast of Central Java to the west. The line was originally just a mild type of track that was built alongside the highway. Due to the lightweight construction of the railway maximum speed limited to 35 kilometers per hour. In the year 1912 - 1921, SCS improve the quality railroad in Semarang-Cirebon route along the 226 miles in the year 1912-1921. Purpose of improving the quality of this railroad is to increase train speed limit to 75 km / h.

B20 locomotive has a length of 5790 mm ​​and weighs 17.5 tons. B20 locomotives have power 200 HP (horse power) and can be sped up to speeds of 35 km / h. This locomotive uses fuel wood teak. B20 has a steam locomotive wheel arrangement 0-4-0.

Of the 19 locomotives B20, now only left 1 B20 locomotives, the B2014. B2014 (Beyer Peacock factory, began operating in 1905) on display at the Ambarawa railway museum (Central Java).