Wide tyres not only make a tractor look good, they also protect the ground. A tyre pressure control system can help you extract the full benefit from expensive rubber and is relatively straightforward to fit, as shown here

In the fourth and final part of fitting mod cons to a modern classic, we get to shoe on some new footwear to the AgroStar 6.21. When it originally rolled off the production line it was booted with 420/70 R28 front and 520/70 R38 back tyres. The lead of the fronts was about 2%.