Two vessels were built by Wärtsilä Helsinki Shipyard (Finland): Taymyr (1988) and Vaygach (1989). After delivery from Finland, the vessels were towed to Leningrad, Soviet Union (today Saint Petersburg, Russia) for the installation of the nuclear plant.
Shallow-draft nuclear-powered icebreaker
- Length: 150 m
- Breadth: 28.9 m
- Draught: 7.5-9.0 m
- Power plant: one KLT-40M nuclear reactor
- Propulsion power: 36 MW