А между собой можно и по-русски писать. Тем более @ter Михаил Тер по-русски читает. Ошибка в описании серии паровоза, исправьте, пожалуйста. У Эр тип 0-10-0 (0-5-0), нет бегунковой оси. 2-10-0 это Decapod.
Interesting picture! The head end locomotive is TGM4B-0589, both of which are owned by the Uralmash industrial railways and newly captured in the Gallery. They haul the Siemens Desiro RUS EMU train 'Lastochka' ES1-017, which was for two months at the Ural Locomotives Ltd. Works (see, e.g., http://trainspo.com/photo/37969 and http://trainspo.com/photo/37355/#photo).
This is the department of train configuration, start-up and commissioning, inclusive of testing. The factory "Ural Locomotives" Ltd. in Verkhnyaya Pyshma near Ekaterinburg intends to produce these high-speed trains based on the Siemens Desiro platform in Russia.