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Tep70 East Europeanern Locomotives
Tep70 is the most succesfull passenger locomotive on the eastern side of the European continent. It can be found almost anywhere on the 1520mm rail networks. Although production started in the late Soviet era and was halted for years, new orders have been recieved recently and the BS version of this robust model is manufactured again to meet the customer demand.

Tep70 replaced the earlier model Tep60 in production. The Soviet Union bought a Hawker Siddeley "Kestrel" locomotive in 1971, tested it, dismantled it into pieces and further tested the parts. The Tep70 prototype to copy the test locomotive was put together in 1973, but needed several modifications to cab windows, bogies, gear arrangement, dynamic braking, etc. before the production was started. The current model Tep70BS (not a very atractive name addition in English) has minor changes at least to the design.

Technical details of Tep70
-> Type: Tep70
-> Usage: Heavy passenger locomotive
-> Builder: Kolomensky Zavod
-> Production dates: 1973 to current (the current model is Tep70BS,
the builder refers to Tep70 production starting in 1988)
-> Numbers built: >350 , remaining units from the original
production runs unknown
-> Gauge: 1520 mm (5 ft)

-> Users: GO Rail, Rzd, ...
-> Seen: Russia, Estonia, Latvia, Lithuania, Biela Russia, Ukraine, Kazakhstan, much of the ex. Eastern Europe, Eastern Russia, Central Asia.

-> Energy Source: Diesel fuel
-> Engine: Kolomna type 2A-5D49, 4 stroke V16
-> Power output: 2942 kW (4000 Hp) at 1000 rpm
-> Nominal axle power: 600 kW (on Tep70BS)
-> Transmission: Diesel electric AC/DC
-> Alternator:
-> Traction motors: DC, ETM type ED-119, 6 x 411kW, later types ED-121A, 6 x 413 kW
-> Tractive Effort: 288 kN start / 167 kN at 48 km/h
-> Braking effort on traction motors (dynamic braking): 3200 kW
-> Wheel arrangement: Co-Co
-> Wheel diameter: 1220 mm
-> Minimum negotiable curve: 125 meters

-> Maximum operational speed where possible: 160 km/h (100 mph)

-> Length:
-> Heigth:
-> Width:

-> Weight: 135 metric tons +-3%
-> Axle weight max: 21,8 tons

Older version of the page...


/// Refurbishing continuing down from here

Estonian Diesel Locomotives
Estonia has a one of a kind mixture of the Eastern and the Western motive power, which you will find on this page. Most of the diesel locomotives originated from the old Soviet Union, and what remained in the Estonian territory at the beginning of its second independence period came to Eesti Raudtee (the Estonian Railways) and several small private operators. Eesti Raudtee (the Estonian Railways) also bought a large number of used C36-7i and C30-7i locomotives from the U.S. and has used them for the last 10 years as multipurpose freight locos, except for local switching.

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