 The Design 1013 ships had a deadweight tonnage of 8,800 and gross register tonnage of 5,600.They had a length of 423 feet 9 inches, beam of 54 feet, draft of 24 feet 2 inches and hold depth of 29 feet 9 inches.Some were powered by Curtis geared steam turbines and others by vertical triple expansion reciprocating steam engines, in either case yielding a service speed of between 11 and 12 knots.