T-669.0 (770) class
diesel locomotive
A diesel locomotive is a type of railway locomotive in which the prime mover (locomotive), power source is a diesel engine. Several types of diesel locomotives have been developed, differing mainly in the means by which mechanical power is con ...
s, built by
ÄŒKD are six-axle, with two
bogie
A bogie ( ) (or truck in North American English) comprises two or more Wheelset (rail transport), wheelsets (two Railroad wheel, wheels on an axle), in a frame, attached under a vehicle by a pivot. Bogies take various forms in various modes ...
s. The wheel pairs are set in radius arms and have a simple coil spring suspension. The body is mounted on the frame with eight anchors. The locomotive is a
hood unit
A hood unit, in North American railroad terminology, is a body style for diesel and electric locomotives where the body is less than full-width for most of its length and walkways are on the outside. In contrast, a cab unit has a full-width ca ...
type with an internal, eccentrically positioned operator's cab.
Machinery
Located underneath the front hood is the traction assembly – a K 6 S 310 DR
diesel engine
The diesel engine, named after the German engineer Rudolf Diesel, is an internal combustion engine in which Combustion, ignition of diesel fuel is caused by the elevated temperature of the air in the cylinder due to Mechanics, mechanical Compr ...
and a TD 802
traction generator – and auxiliary machinery powered by the diesel engine via a
hydrodynamic
In physics, physical chemistry and engineering, fluid dynamics is a subdiscipline of fluid mechanics that describes the flow of fluids – liquids and gases. It has several subdisciplines, including (the study of air and other gases in moti ...
transmission. Chillers and ventilators are located here as well. TE 006
traction motor
A traction motor is an electric motor used for propulsion of a vehicle, such as locomotives, electric vehicle, electric or hydrogen vehicles, or electric multiple unit trains.
Traction (engineering), Traction motors are used in electrically powe ...
s are axle-mounted on the wheel sets. Located underneath the rear hood are
batteries and a supply of
sand
Sand is a granular material composed of finely divided mineral particles. Sand has various compositions but is usually defined by its grain size. Sand grains are smaller than gravel and coarser than silt. Sand can also refer to a textural ...
.
Variations
After modifications of the seating of the hood on the frame, the T 669.1 (771) and the wide-gauge version T 669.5 (770.8) were created at SMZ Dubnica.
Users
This class of locomotive, manufactured for
Czechoslovak State Railways
Czechoslovak State Railways (''Československé státnà dráhy'' in Czech or ''Československé štátne dráhy'' in Slovak, often abbreviated to ČSD) was the state-owned railway company of Czechoslovakia.
The company was founded in 1918 ...
,
Soviet Railways, and railways in
Poland
Poland, officially the Republic of Poland, is a country in Central Europe. It extends from the Baltic Sea in the north to the Sudetes and Carpathian Mountains in the south, bordered by Lithuania and Russia to the northeast, Belarus and Ukrai ...
,
Albania
Albania ( ; or ), officially the Republic of Albania (), is a country in Southeast Europe. It is located in the Balkans, on the Adriatic Sea, Adriatic and Ionian Seas within the Mediterranean Sea, and shares land borders with Montenegro to ...
,
India
India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...
,
Iraq
Iraq, officially the Republic of Iraq, is a country in West Asia. It is bordered by Saudi Arabia to Iraq–Saudi Arabia border, the south, Turkey to Iraq–Turkey border, the north, Iran to Iran–Iraq border, the east, the Persian Gulf and ...
and
Syria
Syria, officially the Syrian Arab Republic, is a country in West Asia located in the Eastern Mediterranean and the Levant. It borders the Mediterranean Sea to the west, Turkey to Syria–Turkey border, the north, Iraq to Iraq–Syria border, t ...
numbers over 8,000 units, making it the largest series of locomotives ever manufactured in
Czechoslovakia
Czechoslovakia ( ; Czech language, Czech and , ''ÄŒesko-Slovensko'') was a landlocked country in Central Europe, created in 1918, when it declared its independence from Austria-Hungary. In 1938, after the Munich Agreement, the Sudetenland beca ...
.
See also
*
ChME3
References
* atlas vozidel (z roku 2009), Motorové lokomotivy v ČR a na Slovensku, M-Presse, Praha 2009
* Heiko Rüdiger: ''Der Flug der Hummeln. Die Diesellokomotiven der Reihen 770/772 in Tschechien und der Slowakei.'' edition bohemica, Himmelkron 2009,
* Helmut Petrovitsch: ''Europas meistgebauter Dieselbrummer.'' In: eisenbahn-magazin 6/2014, S. 6–13
* Der Modelleisenbahner 8/1972, Fahrzeugarchiv, Seite 251, Organ des DMV
External links
www.t669.org
{{DEFAULTSORT:CKD T-669 diesel locomotive
T-669
Railway locomotives introduced in 1968
Co′Co′ locomotives
Standard-gauge locomotives of Czechoslovakia
Standard-gauge locomotives of Poland
Standard-gauge locomotives of Albania
5 ft gauge locomotives