The 2TE25A main line two-unit diesel freight locomotive, rated at 5,000 kW (6,705 hp), with AC/AC transmission and individual axle traction control, is designed to haul freight trains on the Russian Federation lines RŽD with the broad gauge.

This article relies largely or entirely on a single source. (December 2014)

Quick Facts Type and origin, Power type ...

2TE25A
2TE25A-028
Type and origin Power type Diesel-electric Builder Bryansk Machine-Building Plant, Transmashholding, Russia Build date from 2006 Total produced 52
Specifications Configuration: ​  • UIC 2×(Co-Co) Gauge 1,520 mm (4 ft 11+27⁄32 in) Loco weight 144 t (142 long tons; 159 short tons) per unit 288 t (283 long tons; 317 short tons) total Prime mover Kolomna Engineering Works 2D49 type Engine type 4-stroke, V12 EFI equipped diesel Traction motors DAT-470 (asynchronous) Safety systems КЛУБ-У (KLUB-U, Complex locomotive safety system), МСУД (MSUD, Microprocessor control and diagnostics)
Performance figures Maximum speed 120 km/h (75 mph) Power output 2,500 kW (3,353 hp) per unit 5,000 kW (6,705 hp) total
Career Operators RŽD, Türkmendemirýollary[1][2] Nicknames Vityaz

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2TE25A diesel locomotive has been configured on the basis of the previously developed 2TE25K class Peresvet main line two-unit diesel freight locomotive of the same power rating and featuring AC/DC transmission and collector traction motors.^[3]

• Starting tractive effort — 2×441 kN
• Continuous tractive effort — 2×390 kN

• History of rail transport in Russia
• 2ES10, EP20 - another Russian new generation locomotives in serial production.