2TE25K

{{Short description|Russian diesel-electric locomotive}}

{{one source|date=December 2014}}

{{Infobox locomotive

| name=2TE25K/3TE25K2M/3TE25K3M

| image=2ТЭ25К-0007.jpg

| builddate = 2005–present

| powertype=Diesel-electric

| primemover = 2TE25K : D49 12CHN26/26

2TE25KM : 5D49 16CHN26/26

3TE25K2M : GEVO-12

2/3TE25K3M : 5D49 16CHN26/26

| enginetype= 4-stroke, V12 diesel

| totalproduction = 220

| locoweight={{convert|144|t|abbr=on}} per unit
{{convert|288|t|abbr=on}} total

| uicclass=Co-Co+Co-Co

| gauge = {{track gauge|1520mm|lk=on}}

| nicknames=Peresvet

| poweroutput={{convert|2500|kW|hp|0|abbr=on}} per unit
{{convert|5000|kW|hp|0|abbr=on}} total

| maxspeed={{convert|110|km/h|0|abbr=on}}

| numinclass=502

}}

The 2TE25K is a main line two-unit diesel-electric locomotive, rated at {{convert|5000|kW|hp|0|abbr=on}}. It is equipped with AC/DC transmission and is designed to haul freight trains on the Russian Federation lines RZD on the broad gauge.

2TE25K diesel locomotive has been used as the basis of the 2TE25A class main line two-unit diesel freight locomotive of the same power rating and featuring AC/AC transmission and collector traction motors.{{cite web|url=http://www.tmholding.ru/en/products/magistralnye_gruzovye_teplovozy/2te25k.html|accessdate=2011-09-01|title=2TE25K Diesel Freight Locomotive}}

File:3TE25K2m-0116 with closed headlights.jpg

From 2017 to 2020, twelve triple-unit 3TE25K2M locomotives rated at {{cvt|9300|kW |hp}} have been supplied. These are now the most powerful diesel locomotives on Russian railways.{{Cite magazine

|title=Russian Railways puts 9·3 MW diesel locomotives into service

|date=29 January 2020

|magazine=Railway Gazette International

|url=https://www.railwaygazette.com/traction-and-rolling-stock/russian-railways-puts-93-mw-diesel-locomotives-into-service/55622.article

}}