81-760/761

81-760/761
81-760/761 "Oka" at the depot
In service	2012-onward
Manufacturer	Transmashholding (Russia)
Built at	Metrovagonmash (Russia)
Family name	81-...
Replaced	81-717/714
Constructed	2010-onward
Entered service	2012
Operator(s)	Moskovsky Metropoliten Baku Metro
Line(s) served	Moscow Metro:  8  Kalininsko-Solntsevskaya Line  9  Serpukhovsko-Timiryazevskaya Line
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	4 AC asynchronous motors TADV-280-4 U2, DTA-170 or DATM-2 U2
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 1,435 mm (4 ft 8 1⁄2 in) standard 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 Metrovagonmash 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", Metrowagonmash (english version)
• Official page of Transmashholding (english version)