dead-weight tonnage
Technical maritime term for the total weight a ship can safely carry, including cargo, fuel, crew, and stores.
The dead-weight tonnage of this cargo ship is 50,000 tons.
総噸数 (gross tonnage) measures the total internal volume of a ship, while 重量噸数 refers to the weight it can carry.
Compound of 重量 (weight) + 噸数 (tonnage), a direct technical term for dead-weight tonnage.