Question

Why truck tires is kept broader?

Answer 1

The tyres are wider for the same reason that big trucks and heavy equipment has larger wheels and more of them. Any vehicle requires traction to move and steer and the only contact a vehicle has with the road is the small area where the tyres are touching the pavement. This small area, compared to the entire size/area of the vehicle, is referred to as the contact patch. More wheels, larger diameter and wider tyres increase the contact patch and spread the weight of the load/vehicle across more area.

Answer 2

truck tyres are kept broader because pressure is indirectly proportional to a re