Japanese Mitsubishi nuclear submarine oil tanker design dating 1957-1958

Displacement 48,200 tons, deadweight 30,000 tons and as dimensions 590 (lenght) x 78.6 (diameter) x 55.7 (draught) feet. Nulear propulsion 18omW PWR reactor, 2 sets main turbines each of 22,000shp, cruising submerged speed 22 knots and weight machinery included the reactor 4,500 tons. Crew numbered 13 officers and 37 sailors.