81-760/761

You can help expand this article with text translated from the corresponding article in Russian. (October 2013) Click [show] for important translation instructions. View a machine-translated version of the Russian article. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing Russian Wikipedia article at [[:ru:Ока_(вагон_метро)]]; see its history for attribution. You should also add the template {{Translated|ru|Ока_(вагон_метро)}} to the talk page. For more guidance, see Wikipedia:Translation.

81-760/761
81-760/761 "Oka" at the depot
In service	2012-present
Manufacturer	Transmashholding (Russia)
Built at	Metrowagonmash (Russia)
Family name	81-...
Replaced	81-717/714
Constructed	2010-2016
Entered service	2012
Operators	Moskovsky Metropoliten Baku Metro
Lines served	Moscow Metro:  Kalininskaya line  Solntsevskaya line  Serpukhovsko-Timiryazevskaya line  Bolshaya Koltsevaya line Baku Metro: Line 1, Line 2
Specifications
Car length	20.12 m (66 ft 1⁄8 in)/19.14 m (62 ft 9+1⁄2 in)
Width	2.69 m (8 ft 9+7⁄8 in)
Height	3.68 m (12 ft 7⁄8 in)
Maximum speed	90 km/h (56 mph)
Weight	38 t (37 long tons; 42 short tons)/36 t (35 long tons; 40 short tons)
Traction system	Metrovagonmash CATP-1 or CATP-2 IGBT-VVVF inverter
Traction motors	AC asynchronous motor TADV-280-4 U2, DTA-170, DATM-2 U2 or HS35533-01RB
Power output	680 kW (910 hp)
Acceleration	1.3 m/s2 (4.3 ft/s2)
Deceleration	1.1 m/s2 (3.6 ft/s2)
Electric system(s)	825 V DC
Bogies	2 two-axle bogies
Braking system(s)	Dynamic brakes (rheostatic and regenerative), electro-pneumatic
Coupling system	Scharfenberg coupler
Multiple working	Min 2x 81-760 car, max 81-760 + 6x 81-761 + 81-760 cars. Train + train configuration is not available.
Track gauge	1,520 mm (4 ft 11+27⁄32 in) Russian gauge

81-760/761 (Oka, Russian: Ока́, IPA: [ɐˈka]) is a model of subway car used on the Moscow Metro and the Baku Metro. It was designed by Metrowagonmash and is manufactured by Metrovagonmash and Tver Carriage Works.

External links

Wikimedia Commons has media related to 81-760/761.

• Official page of 81-760/761 "Oka", Transmashholding (english version)
• Official page of Metrowagonmash (english version)

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