Stability & Performance. Tire Ballast vs Machine Balance You don't need to add ballast to your tractor. We like to think of it more as balance. If you are using your loader and adding weight to the front, you want to make sure you had additional weight in the rear of the machine. You can add this weight through attachments that have other purposes as well, instead of just paying for set-it and forget-it weight. | Messick Farm Equipment