R/V Xuelong 2 is 122.5 meters long, with a molded breadth of 22.32 meters and molded depth of 11.8 meters, a designed draft of 7.85 meters and designed displacement of about 13,990 tons, a maximum speed of 18 knots, an endurance of 20,000 nautical miles and a capacity of 101 people. It can continuously break through the ice layer of 1.5 meters thick at a speed of 2-3 knots.