Sinara Transport Machines (Russian: ОАО «Синара – Транспортные машины») is a Russian transportation vehicle manufacturing and engineering company based in Yekaterinburg.

The company was established in 2007 as a division of the Sinara Group.

The division incorporates the following subsidiaries:[3] The STM research centre (ООО Центр инновационного развития CТМ) was created in 2010 to develop new railway locomotives and technologies.

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