Heavy-duty sewing machines come in different sizes and capacities, which can sometimes be overwhelming if you are in the market choosing one for you. The most common reason for costs to upgrade to a machine like this is that it can handle thick fabrics
. So this is obviously the first requirement.
However, it does not mean that the strongest machine is the best. These machines generally have an expensive price that not all seamstresses can afford. The rule here is to think about the thickest fabric that you are going to sew and choose a machine that can sew it.
I know some basic level sewing machines that are quite strong, so you should think about the full list below to make the decision. But if strength is the only thing you want, read this article on What are the best cheap sewing machines for beginners? Basic sewing machine reviews to find out what your options are.