81-775/776/777 “Moskva-2020” (export trademark “Dayna”) – a model of electric metro cars, developed and produced from 2020 to 2023 by the Metrovagonmash plant and the Oktyabrsky Electric Car Repair Plant (OEVRZ) from 2020 to 2021 commissioned by the Moscow Metro. Cars model 81-775 are motor head cars, 81-776 are intermediate motor cars, 81-777 are intermediate trailer cars. As of December 2023, 168 trains (40 seven-car and 128 eight-car) have been produced for Moscow. Seven-car electric trains are operated on the Circle Line, and eight-car electric trains are operated on the Bolshaya Koltsevaya and Kaluzhsko-Rizhskaya Lines. Trains on this line were also in operation between 2020 and March 2023; operation resumed in June 2023. It is planned to operate them on the Zamoskvoretskaya Line in 2024. On August 31, 2023, the Department of Transport presented a new restyled train – “Moskva-2024”.
The first mention of the development of a new type of train called “2020” appeared in July 2018. In January 2020, the assembly of the first cars of the new series was completed at Metrovagonmash. After some time, the plant switched to their mass production. Later, parallel production of cars began at the Oktyabrsky Electric Car Repair Plant (OEVRZ).
Cars of models 81-775/776/777 “Moskva-2020” are designed for passenger transportation on metro lines with a gauge of 1520 mm, electrified by a side contact rail with a voltage of 750 V DC. Trains can be operated on both underground and above-ground sections of lines. They are a further development of the 81-765/766/767 “Moskva” series, inherited from them through inter-car passages throughout the entire train and are operated as a permanent formation.
The cost of one new car of the Moskva-2020 train is about 100 million rubles, which is one and a half times more expensive than the cost of one car of its predecessor, which was 65 million rubles.
Electric trains are generally formed from three types of cars: two head motor cars (Mg) with model 81-775 control cabins at the ends of the train, up to four intermediate motor (Mm) models 81-776 and up to two intermediate trailed (PP) (non-motor) models 81-777. The minimum number of cars in a train is two (head cars only), the maximum is eight (two head cars and six intermediate cars). Eight-car trains for the Moscow Metro are formed according to the scheme Mg+Pp+Mp+Mp+Mp+Mp+Pp+Mg, that is, trailer cars come second at both ends of the train. On the Circle Line, seven-car trains are operated according to the Mg+Pp+Mp+Mp+Mp+Pp+Mg scheme, that is, with one missing motor intermediate car.
Numbering and marking
The numbering and marking of cars 81-775/776/777 is generally similar to that used for all Russian-made metro cars and is carried out on a car-by-car basis without assigning train numbers. The numbers are marked on both side walls of each car at the window level near one of the inter-car passages; on the side of another inter-car crossing, the number is not applied. There is no designation of the model series on the cars, and it can only be seen on the manufacturer’s plates in the car interiors.
The passenger compartment of the “Moskva-2020” cars, unlike the “Moskva” cars, is equipped with automatic double-leaf sliding doors instead of leaning-sliding ones. In addition to increasing the width of the doors themselves, compared to Moskva cars, the glass in them has a lowered lower edge and is located almost the entire height. The doors are equipped with an anti-clamping system. Changing the type of doors required reducing the width of the body in order to maintain the external overall dimensions of the car. Therefore, the central passage in the cars is 10-20 cm narrower than in the cars of previous generations.
On the sides of the doors along the central aisle there are passenger sofas oriented facing the aisle. In the front of the head cars, the cabin is separated from the cabin by a wall with a door located to the right of the middle of the wall. Due to the increase in the width of the doorways, five-seater seats were installed instead of six-seaters, which for the first time since the pilot industrial cars of type 81-720/721 “Yauza” are separated from the doorways by transparent glass. The sofas are located between the doorways on each side of the carriage and consist of five separate seats each. The exception is the first sofa on the right side in the head car: it consists of two seats closer to the middle of the car, and the remaining space is occupied by a storage area. It increases the capacity of the carriage and also allows you to accommodate large luggage, wheelchairs and baby strollers. For the convenience of disabled passengers, the platform is equipped with a vertical backrest and straps for securing wheelchairs. In the end zones, in each corner on the starboard side relative to the end wall, if we consider it to be the rear, instead of two semi-seated seats in the form of inclined ledges, there are two full-fledged seats, and in the corner on the left side there is a single double semi-sitting inclined ledge without division.
In total, the head car has 29 seats and 2 semi-seats, and the intermediate car has 34 seats and 4 semi-seats (total: 262 seats), which is 30% less compared to the most popular series of cars 81-714/717 (total: 372 seats).
To inform passengers, for the first time in the Moscow Metro, console LCD displays under the ceiling with a diagonal of 20 inches were used, located opposite the central aisle and built into downward inclined panels in front and behind the lamp housing of the two middle entrance zones. The text is easily readable from anywhere in the cabin due to the high image clarity and wide viewing angle. To display the linear route diagram and the current location of the train, wide color route boards with a diagonal of 56 inches are installed above the doors – 17 percent larger than those on the «Moskva» train. On the side walls of the car above the half-seats in the end zones of all cars and to the left of the window in the storage area in the head car, like its predecessors, interactive touch displays are installed, with the help of which passengers can study the metro map, find the desired station, plot a route, calculate travel time, etc. In addition to Russian, cards now support eight languages: English, French, German, Spanish, Chinese, Kazakh, Tajik and Uzbek.
A noticeable change for passengers is the increase in the number of USB ports for charging mobile devices. In total, the number of USB connectors in the eight-car train has increased fivefold – 368 units instead of 72 for the «Moskva» trains.
The Moskva-2020 train is equipped with an updated video surveillance system. Each carriage is equipped with eight interior cameras, as well as equipment for communication with a unified dispatch center (UDC), where video and audio information is immediately transmitted, which speeds up the response time of metro employees in any non-standard situation. High-resolution hemispherical video cameras and fire alarm sensors are installed on the ceiling in the corners of the seating areas.
Assembly: Metrovagonmash + Oktyabrsky Electric Car Repair Plant (Russia)
Years of production: 2020—
Production: 168 units (total: 1304 wagons)
Capacity (8 wagons railcar): 1490 passengers (38 seats/wagon)
Length (intermediate/first wagon): 19,140/20,120 mm
Width: 2686 mm
Height: 3680 mm
Track gauge: 1520 mm
Material: stainless steel
Type of current and voltage: 750 V (DC)
Powerplant: 4× TME 43-23-4
Output power: 4× 170 kW
Max speed: 90 km/h