"York" displaced at standard load and at deep load. The ship had an overall length of , a beam of and a draught of . She was powered by Parsons geared steam turbines, driving four shafts, which developed a total of and gave a maximum speed of . Steam for the turbines was provided by eight Admiralty 3-drum water-tube boilers. "York" carried a maximum of of fuel oil that gave her a range of at . The ship's complement was 628 officers and men.