page_title: Est 4401 to 4512
section_title: Origins
hierarchical_section_title: Est 4401 to 4512 / Origins
caption_attribution_description: Français&#160;: Locomotive SNCF 141 TB 407 (ex Ligne de Vincennes) préservée par l'AJECTA, en gare de Persan - Beaumont
context_page_description: Est 4401 to 4512 were a class of Mikado tank locomotives which were designed for service on the Paris suburban lines of the Compagnie des chemins de fer de l'Est. The Est placed them in power class 11s. On nationalisation in 1938 they passed to the SNCF, who renumbered them 1-141.TB.401 to 1-141.TB.512.
context_section_description: The Est's first class of 2-8-2T locomotives were introduced in 1911 with the construction of two prototypes, numbered 4401 and 4402. They were designed under the leadership of CME Louis Salomon, and built in the Company workshops at Épernay. They were followed by a further 110 locomotives, delivered between 1913 and 1917. An order for 50 further locos once thought necessary was never constructed because of the First World War. The class was built by four manufacturers in six blocks:
caption: 141 TB 407 of AJECTA at Persan-Beaumont station.
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