 The U-boats had a total length of , a pressure hull length of , a beam of , a height of , and a draught of .The submarines were powered by two Germaniawerft supercharged four-stroke, six-cylinder diesel engines producing a total of for use while surfaced, two Siemens-Schuckert 2 GU 345/38-8 double-acting electric motors producing a total of for use while submerged.They had two shafts and two propellers.