The right air pressure for your tractor tyre depends on the size of the tractor tyre. Monitoring tractor tyre pressure can help improve your grip and save you money on fuel. The ideal pressure for tractor rear tyres must be between 15 and 20 PSI, but it can 20-25 PSI for tractor front tyres. Overinflated or underinflated tractor tyres can lead to damage, so always maintain the correct air pressure for optimal performance and longevity.