The ImperiaTA 9 Diana was manufactured beginning in 1936. At first, it had the older radiator mask. The illustrated vehicle is such an early model.
Around 1937/38 a new more modern radiator mask was introduced. The TA 9 Diane was replaced by the Imperia TA 11 in 1938. The TA-series was based on a license of Adler. This vehicle was used by Transport Abteilung 356.