Belgian Draft Horse Breeding - Habitat, Image, Diet, and Interesting Facts | United States Special Documentary video on Belgian Draft Horse Breeding - Habitat, Image, Diet, and Interesting Facts. The Belgian Horse is a heavy horse. Heavy horse, is a large horse bred to be a working animal doing hard tasks such as plowing and other farm labor. It is of cold-blood type, massively built and calm in temperament. Belgian horse, breed of heavy draft horse descended from the Flemish “great horse,” the