"friedrich ihn" had an overall length of and was long at the waterline. the ship had a beam of , and a maximum draft of . she displaced at standard and at deep load. the wagner geared steam turbines were designed to produce which would propel the ship at . steam was provided to the turbines by six high-pressure benson boilers with superheaters. "friedrich ihn" carried a maximum of of fuel oil which was intended to give a range of at , but the ship proved top-heavy in service and 30% of the fuel had to be retained as ballast low in the ship. the effective range proved to be only at . the ship's crew consisted of 10 officers and 315 sailors.