kohldad wrote:
Airing down does not have any effect on load capacity when the vehicle is being driven at reduced speed on softer surfaces. Load capacity ratings for given air pressure is applicaple for on-highway driving at highway speeds.
I have search everywhere I could think of and have not found anything that supports that . Both Firestone and Michelin have charts for truck tires that show you can increase load capacity for low speed by airing up but nothing about airing down . If you have info about load capacity when airing down I sure would appreciate knowing about it .