page_title: Prussian T 9
section_title: T 9.1
hierarchical_section_title: Prussian T 9 / T 9.1
caption_attribution_description: Deutsch: Preuß. T9.1 7270 Cöln im Eisenbahnmuseum Bochum-Dahlhausen. English: German steam locomotive, the Prussian T9.1 "7270 Cöln", at Bochum-Dahlhausen Railway Museum in Germany.
context_page_description: The Prussian T 9 was a class of German steam locomotive which included several types of tank engine, all with six coupled wheels and two carrying wheels operated by the Prussian state railways.
context_section_description: Class T 9.1 of the Prussian state railways were goods train tank locomotives with a 0-6-2T wheel arrangement. They were intended for service on branch lines, for goods train duties on main lines and for shunting (rail) work. A total of 420 locomotives were built by various manufacturers for the Prussian state railways as well as 6 units for the Cronberg Railway, which had been taken over by the state railways in 1914.
  In 1923 they were included by the Deutsche Reichsbahn as DRG Class 90.0-2 in their initial numbering plan with running numbers 90 001 to 90 328. In 1925 the final plan recorded locomotives with the numbers 90 001 - 021, 90 024 - 90 115, 90 117 - 122 and 90 125 - 231 as well as the incorrectly designated Class 91 group with the numbers 91 088, 91 089, 91 109 - 114 and 91 301 and 302. They were joined later by 90 234 from the Bremen harbour railway, 90 235 - 237 from the Saar Railway and 90 241 - 245 from the Lübeck-Büchen Railway, that had ordered six new T 9.1 engines in 1900 and 1903, and later bought four more, second-hand, locomotives from the Prussian state railways.
  Several examples of this engine were handed over to foreign railway administrations and some of them later returned to the  Deutsche Reichsbahn fleet during the Second World War as 90 246 - 251.
  Two T9.1 have been preserved: One at the Bochum-Dahlhausen Railway Museum as "Cöln 1833", later "Cöln 7270", which was restored and has been displayed in front of the Starlight Express Theatre in Bochum since 9 November 2015,, the other is in the South German Railway Museum at Heilbronn as "Cöln 1857".
caption: Prussian T9.1 7270 Cöln at Bochum-Dahlhausen Railway Museum
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