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| TEP60 | |
|---|---|
| Name | TEP60 |
| Manufacturer | Luhanskteplovoz; Malyshev Factory |
| Production | 1960s–1980s |
| Operator | Soviet Railways; Russian Railways; Ukrzaliznytsia; various Eastern Bloc operators |
| Yearconstruction | 1961–1979 |
| Poweroutput | 2960 kW (nominal) |
| Wheelarrangement | Co′Co′ |
| Gauge | 1,520 mm |
TEP60 is a Soviet-era passenger diesel-electric locomotive introduced in the early 1960s for long-distance express services across the Soviet Union and allied networks. Designed to replace steam traction on premier routes linking major centers such as Moscow, Saint Petersburg, Kyiv, and Baku, the locomotive combined a high-speed diesel engine with electric transmission to meet rising postwar passenger demands. Over several decades the class served on intercity links, international trains to the Warsaw Pact states, and regional services, while undergoing multiple upgrades and adaptations.
The TEP60 was conceived amid infrastructural modernization drives led by organizations like Sovtransavto and institutes including the All-Union Research Institute of Railway Transport to provide reliable high-speed passenger traction. Its introduction followed earlier diesel designs such as the TEP10 and paralleled contemporaries like the DR1A used on Czechoslovak State Railways. The type became a mainstay on express trains connecting hubs such as Moscow Leningrad Terminal and secondary centers like Rostov-on-Don and Tbilisi, operating alongside electric classes from manufacturers including Škoda Works and Electroputere.
The TEP60 features a Co′Co′ wheel arrangement providing six driven axles and improved adhesion for 1,520 mm gauge routes common to networks like Soviet Railways. At its heart is a V16 two-stroke diesel engine supplied by factories such as Kharkiv Diesel Plant and designed for a nominal output of approximately 2,960 kW, comparable to contemporaries from ALCO and EMD. Traction was transmitted via a main generator and six DC traction motors with control systems influenced by designs from Siemens collaborations and domestic institutes. The locomotive's maximum authorized speed often reached 140 km/h on suitable lines, matching timetabled services between cities like Minsk and Vilnius or Riga and Moscow. Braking systems integrated air brakes from vendors akin to Knorr-Bremse and dynamic braking circuits for descents on routes to mountainous termini such as Yerevan and Baku.
Cab ergonomics were shaped by input from personnel associated with Ministry of Railways (Soviet Union) departments and trade unions, with dual controls for remote working on paired operations similar to practices on Trans-Siberian Railway expresses. Carbody construction used welded steel frames produced at heavy engineering plants like the Malyshev Factory, and suspension designs incorporated bogie innovations tested on prototypes exhibited at fairs in Moscow and Leningrad.
Initial development programs were coordinated between design bureaus in Moscow and production facilities in Kharkiv, with prototype runs beginning in the late 1950s and first series delivered in 1961. Major manufacturing centers included Luhanskteplovoz and the Bryansk Machine-Building Plant, which scaled output through the 1960s and 1970s to meet orders from ministries overseeing passenger transportation. Export negotiations led to sales and licensed production agreements with railways in Poland, Bulgaria, and Romania, where components were sometimes sourced from local firms like Faur and Pafawag. Periodic modernization programs in the 1970s and 1980s involved cooperation with research bodies such as the Central Scientific Research Institute to improve fuel economy and reliability.
TEP60 units entered service on premier routes linking metropolitan nodes including Moscow Kazansky railway station, Leningrad Passazhirsky, Baku Central Railway Station, and Odessa, often replacing steam locomotives on flagship trains. Their deployment extended to international corridors connecting to Warsaw and Budapest under Comecon freight and passenger arrangements. During winter operations on lines to Murmansk and Vladivostok-linked segments, crews adapted maintenance routines developed at depots like Moscow Kazan Depot and Kharkiv Depot No.1. Post-Soviet reorganizations saw surviving units transferred to successors such as Russian Railways and Ukrzaliznytsia and used for regional services, charter trains, and sometimes freight hauling in restricted applications. Preservation efforts have placed examples in museums in Moscow, Kyiv, and St. Petersburg.
Several subtypes and rebuilds appeared during the TEP60's service life, including trial conversions with improved generators, altered gear ratios for higher tractive effort on mountainous lines to Sochi and Batumi, and experimental hybridizations with auxiliary electric heaters for carriage heating on international winter services to Helsinki and Riga. Industry-led remanufacturing projects executed at plants like Zavod imeni Voroshilova produced upgraded control electronics and emission-focused retrofits influenced by studies from the Institute of Thermal Engineering and partnerships with European firms such as Alstom. Some units were reclassified under local numbering schemes in countries like Poland and Bulgaria to reflect gauge and signaling adaptations.
Throughout its operational life the TEP60 complied with technical standards promulgated by the Ministry of Railways (Soviet Union) and later regulatory regimes of successor states including Russian Federation and Ukraine. Safety systems incorporated automatic train control prototypes derived from research at institutions such as the Central Research Institute of Railway Transport and braking certification processes aligned with practices observed in international forums attended by delegations from International Union of Railways member states. Maintenance regimes, periodic inspections, and crew training were administered by regional directorates in hubs like Moscow, Kharkiv, and Rostov-on-Don to ensure continued compliance with axle load limits, signaling compatibility, and winterization rules for routes to Murmansk and Yaroslavl.
Category:Diesel locomotives of the Soviet Union