Making that the front wheels are parallel. The wear on the tractor's front tyres will be thus getting increased. If one often uses it for operations involving a front put in place or front loader. Or if one installs front weights even when they are not required. Consider eliminating weights when they are no longer a requirement.
Agricultural equipment is essential in a farmer's life, and selecting the right tyre for your machinery may be a time-consuming effort. Even tiny errors might reduce the efficiency of your gear, thus nothing but the best will do.