| 81-775/776/777 | |
| Interiorimage: | Москва-2020,_салон.jpg |
| Service: | 2020 — present day |
| Manufacturer: | Transmashholding (Russia) |
| Factory: | Metrowagonmash (Russia) |
| Yearconstruction: | 2020—2023 |
| Yearservice: | 6 October 2020 |
| Numberbuilt: | 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 |
| Operator: | Moscow Metro |
| Lines: | |
| Carbody: | stainless steel |
| Doors: | 4 pairs per car |
| Maxspeed: | 90km/h |
| Acceleration: | 1.3m/s2 |
| Deceleration: | 1.1m/s2 |
| Traction Motors: | asynchronous motor, TME 43-23-4 |
| Poweroutput: | 4x 170kW per motor car |
| Electricsystem: | 750 V DC (mean) |
| Collectionmethod: | third rail |
| Brakes: | electro-pneumatic early, disk brakes later. |
| Safety: | SKIF-M, ALS-ARS (ATS-ASR), with ATO |
81-775 series (named Moskva-2020, Russian: Москва́-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]