The model 61-779P-B car with the disc brake of the joint production of CJSC Gomel VSZ and PJSC KVSZ has an enlarged body base (19 meters) and is accordingly designed to carry 58 passengers.
The car has nine six-seat boxes and one four-seat with soft sofas, shelves and sidewalks.
The car is equipped with an air conditioning unit, aluminum-plastic windows with double-glazed windows, which increase the airtightness and improve the thermal regime in the car. For passengers' comfort the passenger cabin of the car is equipped with the signaling of the employment of latrines and sockets for charging mobile phones.
The interior is made with the use of new modern materials, new units, equipment and fire safety requirements.
| Tare weight of the wagon, t | 61 |
| Length of the car body, mm | 26100 |
| Base of the car, mm | 19000 |
| Constructional speed, km / h | 160 |
| The height of the automatic coupler axis from the level of the head of the rails, mm | 1060 |
| Overall dimensions of the car | 1-VM |
| Track width, mm | 1520 |
| Number of passenger seats, pcs | 58 |
| Assigned lifetime of the car | 30 |
| Brake | Automatic, electropneumatic, pneumatic, manual |
| Fire extinguishing system | There is |
| Fire extinguishing installation for electrical equipment | There is |
| Water Extinguishing System | There is |
| Train communication system | There is |
| Air conditioning system | Air conditioning monoblock AVK-30, power 30 kW |
| Capacity of the water supply system, l | 1200 is made of stainless steel |
| Closed, vacuum | |
| Information system | There is |
| Number of business coupons | 1 |
| Number of seats in the service compartment | 1 |
| Refrigerator | There is |
| Microwave oven | There is |
| Light-scattering curtains | There are |
| Sockets for charging mobile phones and connecting laptops | Are available on the aisle and in each compartment |
| The presence in the compartment of the indication of latrines employment | There is |
| Video Surveillance System | There is |
| Standalone radio installation that includes an alert | There is |
| Hearth heating control system | Usual, on melting sensors |
| Windows | Inserted with double-glazed windows |
| Ceiling fixtures | LED |
| Tail lights | LED |
| Fencing of heating systems | Made of stainless polished steel |
| Lining panels for coupes, corridors and ceilings | Plastic |
| Trolley model | 68-4095 and 68-4096 |
