Russia’s most powerful diesel locomotive to be tested on Baikal-Amur

Bryansk Machine-building Plant, part of Transmashholding Group, has delivered the 3ТЭ25К2М mainline freight diesel locomotive for tests on Baikal-Amur railway. The locomotive was specially designed for operations in severe climate conditions on track sections with a complicated profile. The vehicle is capable to haul trains of up to 7,100 tons and its mileage on mainline service will be 50,000 km.
Upon results of the analysis of many-year operations of the previous series locomotives on the Baikal-Amur railway, a range of advanced technical solutions were applied in the design of the new locomotive. It integrates a reliable and powerful GEVO12 diesel engine together with auxiliary equipment.
As a result, section engine power increased up to 3,100 kW. The vehicle is equipped with independent cabin heating system, electric units that require minimum maintenance and the fuel, water and air systems are designed based on operations at low temperature environment.
At present basic cargo transport at the Baikal-Amur line is carried out by 2TE25A and 3TE10MK locomotives able to haul trains of up to 5,600 tons. Increase of the train weight up to 7,100 tons enables to significantly raise the total freight carriage along the line without construction of additional tracks.
The need of the Baikal-Amur railway in new locomotives for hauling trains weighing 7,100 tons based on various estimates is more than 400 units up to 2025.
The 3ТЭ25К2М locomotive has been successfully tested in the central part of Russia and now it will have to prove its compliance with the set objectives under real operational conditions. Being registered with Kursk and Kursk-Sortirovochny Depots, 3ТЭ25К2М has completed the 10,000 km trial operation run both in two-and three-section version. The actual run has totaled more than 11,000. The trial run performed under the test program agreed with RZD, which completed the preliminary tests. The diesel locomotive has carried about 240,000 tons of cargoes, with a maximum weight of the train of 8,230 tons.

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