The G23 was another first for Junkers - the world's first all-metal three-engined passenger/transport aircraft. Only nine were built before the G24, with more powerful engines, was introduced in 1925. It was intended for new long-range Deutsche Luft Hansa services. Eleven of the 56 examples built were converted for single-engined operation, their wing-mounted engine units removed. These were redesignated F24 (circa 1928).