Differently from other VII B U-Boats, U-83 was fitted with only the front four   torpedo tubes, and only twelve instead of 14 torpedoes, one  SK C/35 naval gun, 220 rounds, and one  anti-aircraft gun The boat had a complement of between forty-four and sixty.
Unlike other VII B U-Boats, U-83 was distinguished by its limited armament, featuring only the front four torpedo tubes, twelve torpedoes, one SK C/35 naval gun, 220 rounds, and one anti-aircraft gun. The boat's crew size varied between forty-four and sixty.