Sevmorput is long overall and between perpendiculars. The breadth and depth of her hull are and , respectively. When loaded to the summer waterline, the ship draws of water. However, in ice-covered waters she operates with a slightly smaller draught of to improve the icebreaking characteristics of her raked stem. The gross tonnage of Sevmorput is 38,226 and net tonnage 11,468. The ship's deadweight tonnage is 33,980 tons at maximum draught and 26,480 tons while operating at reduced draught in ice. Her maximum displacement is 61,880 tons.
