To dream of a combine farming harvester represents decision making or intentions that are focused on getting everything you've been expecting as fast as you can get it. Easy taking.
To dream of a combine farming harvester driving towards you may reflect another person with expectations of you that you find dangerous to your happiness or wellbeing. A fear that you can't escape someone else taking all you have. A person or situation in your life that make you feel that all you have is for easy taking.