Displacement was 1,610 tons standard, 2,030 tons full load when surfaced, and 2,410 tons full load when submerged. Propulsion machinery consisted of 2 Admiralty Standard Range 16 VMS diesel generators, and two  electric motors, each driving a  3-bladed propeller at up to 400 rpm.
The vessel's displacement was 1,610 tons standard, increasing to 2,030 tons full load when surfaced and 2,410 tons full load when submerged. Its propulsion system consisted of two diesel generators and two electric motors, each powering a three-bladed propeller at a maximum speed of 400 rpm.