This was an old Black and White movie Post WWII I think, it may have tried to Build off Bogarts "Sahara".
This Black and White movie is set in the desert and a group of people dig up a buried Tank (left over from WWII?) and manage to get it running just in time to use it to fight off an army of mounted Beduwins riding camels or horses.
That's all I can remember of it and no one else seems to remember it. Help its driving me nuts!