As one of the first ten
German Type VII submarines later designated as Type VIIA submarines,
U-32 had a displacement of when at the surface and while submerged. She had a total length of , a
pressure hull length of , a
beam of , a height of , and a
draught of . The submarine was powered by two
MAN M 6 V 40/46 four-stroke, six-cylinder
diesel engines producing a total of for use while surfaced, two
BBC GG UB 720/8 double-acting electric motors producing a total of for use while submerged. She had two shafts and two
propellers. The boat was capable of operating at depths of up to . The submarine had a maximum surface speed of and a maximum submerged speed of . When submerged, the boat could operate for at ; when surfaced, she could travel at .
U-32 was fitted with five
torpedo tubes (four fitted at the bow and one at the stern), eleven
torpedoes, one
SK C/35 naval gun, 220 rounds, and an anti-aircraft gun. The boat had a
complement of between forty-four and sixty. ==Service history==