The Est 613 to 742 were 0-6-2T locomotives for suburban passenger traffic of the Chemins de fer de l'Est. They were first put in service in 1881.
Construction history The first series of 10 machines (Est 613 – 622) was built in 1880–1881 in the workshops of the Est at Épernay. The locomotives proved satisfactory, and so further machines were built by SACM (Est 623 – 673) and Cail (Est 674 – 683), reaching a total of 71 machines in 1884.
In 1890 a new series of 9 machines (Est 684 – 692) was built at Épernay Works. These locomotives had increased in size, with firebox and heating area as well as boiler pressure increased. In the years 1892–1895 the locomotive stock was further augmented with new batches (Est 693 – 742) of the same type, finally reaching a total of 130 machines in 1895.
+ Production batches Build date Order date Quantity Est Numbers ManufacturerSerial No. 1881 1880 10 613 – 622 Épernay Works (Est)172 – 181 1881–1882 5 Oct 1880 10 623 – 632 SACM-Belfort2984–2993 1882–1883 11 Aug 1881 18 633 – 650 SACM-Graffenstaden3302–3319 1884 18 Sep 1883 23 651 – 673 SACM-Graffenstaden3513–3535 1884 17 Apr 1884 10 674 – 683 Cail2246–2255 1890 9 684 – 692 Épernay Works222–230 1892 12 693 – 704 Épernay Works243 – 254 1894 24 705 – 728 Épernay Works271 – 294 1895 Jun 1894 14 729 – 742 Batignolles1294–1307
In 1898–1899 fifty locomotives of the later batches (Est 684 – 692, 693 – 704, 705 – 733) were rebuilt as 4-6-0T locomotives and renumbered to , later SNCF series 230 TA.
In 1905 twenty-five locomotives of the earlier series (Est 613 – 637) were modified for shunting and were renumbered as Est G 613 – G 637.
In 1905–1907 the 45 locomotives Est G 613 – G 637 and Est 647 – 666 were rebuilt as 2-6-2T locomotives and were renumbered to , later SNCF series 131 TA.
The machines Est 638–746, 667–683 and 734–742 remained in their original state. In 1929 the first machines (Est 600, 639, 640) were withdrawn. 14 machines were still in service on 1 Jan 1938 and were renumbered to SNCF 031 TA 641–741.
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