From 10 April 1941, during the siege of Tobruk, some captured M11s were employed by the 6th Australian Division Cavalry Regiment over some months.
Fra den 10. april 1941 under Belejringen af Tobruk blev nogle M11'ere anvendt af 2. bataljon af 6. kavaleri kommandoregiment i den australske 6. division i nogle måneder.