RZD - Rossiyskye Zheleznye Dorogi (Russian Railways) Diesel Shunter TEM2 nr. 15476294 (Co'Co'), a very popular class built from 1960 in many sub-classes.
Picture taken in Tver on April 18th, 2019.

Photo by Guido Allieri (guido@allieri.com) - www.allieri.com