81-775 series

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81-775/776/777
Moskva-2020
In service	2020 — present day
Manufacturer	Transmashholding (Russia)
Built at	Metrowagonmash (Russia)
Constructed	2020—2023
Entered service	6 October 2020
Number built	171 trainsets (1328 cars) (As of February 2024) 81-775 series: 128 8-car trainsets, 40 7-car trainsets 81-775.2 series: 3 8-car trainsets 81-775: 336 cars 81-776: 632 cars 81-777: 336 cars 81-775.2: 6 cars 81-776.2: 12 cars 81-777.2: 6 cars
Formation	2—8 cars
Operators	Moscow Metro
Lines served	Zamoskvoretskaya line  Koltsevaya line  Kaluzhsko-Rizhskaya line  Bolshaya Koltsevaya line
Specifications
Car body construction	stainless steel
Doors	4 pairs per car
Maximum speed	90 km/h (56 mph)
Traction motors	asynchronous motor, TME 43-23-4
Power output	4x 170 kW (230 hp) per motor car
Acceleration	1.3 m/s2 (4.3 ft/s2)
Deceleration	1.1 m/s2 (3.6 ft/s2)
Electric system(s)	750 V DC (mean)
Current collector(s)	third rail
Braking system(s)	electro-pneumatic early, disk brakes later.
Safety system(s)	SKIF-M, ALS-ARS (ATS-ASR), with ATO
Track gauge	1,520 mm (4 ft 11+27⁄32 in) Russian gauge

81-775 series (named Moskva-2020 /məskˈvɑː, ˈmɒskvə/^{[citation needed]}, Russian: Москва-2020) are types of metro cars designed by Metrowagonmash. Series consist of three types — 81-775 (head motor car), 81-776 (intermediate motor car) and 81-777 (intermediate non-motor car). The series has been in use by Moscow Metro since 2020.

81-775.2 series (named Moskva-2024) is a facelift/modification from 2024. First train was delivered to Moscow Metro in December 2023. ^[1][2]

Wikimedia Commons has media related to 81-775/776/777.

• Official page of Transmashholding
• Official page of Metrowagonmash

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