The first 3TE25K2M locomotive was developed in 2017, with testing completed in October 2019, and features an electric ac/dc drive with dual-axle traction control. The locomotive can be supplied as two, three, or four-section units, with the three-section version producing 9.3MW of power and capable of hauling a 7100-tonne train.
The engine in the 3TE25K2M has a power reserve for low temperatures and high altitudes, and is equipped with a microprocessor control system. The locomotive is designed to haul heavy freight trains in the harsh conditions encountered in eastern Siberia and Russia’s Far East, which feature sudden temperature changes and difficult terrain.
Innovative components have been used to improve the locomotive’s adhesion and reduce the amount of maintenance required. The locomotives also have extra capacity for additional fuel and sand.
TMH says the commissioning of the 3TE25K2M will result in a 20% increase in the volume of freight carried on the East Siberian and Far Eastern railways from Taksimo to the port terminals at Sovetskaya Gavan-Sortirovochnaya.
A maintenance centre for the 3TE25K2M locomotives has been built in Komsomolsk-on-Amur.
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