They had a two-shaft diesel-electric main power plant with a capacity of 4,000 hp (3,000 kW) which provided the ship with a full speed of 16 knots (30 km/h; 18 mph).
The cruising range reached 3,000 nautical miles (5,600 km; 3,500 mi) at a speed of 12.5 knots (23.2 km/h; 14.4 mph) and an endurance of 40 days.
The equipment of the floating base was capable of providing navigational and emergency repair of the hull, mechanisms and weapons and storage of 42 533 millimetres (21.0 in) torpedoes in a special room.
After modernization, on two ships, instead of two aft 100 mm installations, a take-off and landing pad was equipped for basing one Ka-25 helicopter.
On the last floating base of the series, the Osa-M air defense missile system was installed.