RZD - Rossiyskye Zheleznye Dorogi (Russian Railways) Diesel-Electric Shunter ChME3-6729 (Co'Co'), a very popular class built from 1964 in many sub-classes. Power 993 kW, Tractive effort 356 kN, max speed 95 Km/h-
Picture taken in Moscow Kazansky Station on June 26th, 2018. The loco is painted in most recent red-grey RZD's color scheme.

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