A single, wide wheel substituted for a tandem (two wheel) assembly. The main benefit of a super single is a reduction in weight and lower rolling resistance which provide better fuel economy.

What is the advantage of super single tires?

However, the main advantage that super singles offer is that they are stronger, yet lighter in weight than their standard counterparts by roughly 1,000 pounds in total. While this weight savings may translate to better fuel mileage, trucking companies see this as being able to add 1,000 more pounds to the cargo.

Are super singles better than duals?

In addition to letting trucks transport more cargo, super singles also offer better fuel economy than traditional dual tires. ... Not only that, they offer significantly less traction than dual tires, especially in wintry conditions.