There is a higher adoption of tire pressure systems by fleets that use wide-base tires.
Wide-base tires intended for the over-the-road line-haul market will save significant amounts of fuel when compared to tires that are not designed for low rolling resistance. Wide-base tires generally display lower rolling resistance when compared to equivalent dual tires.
The benefits of wide-base tires compared to duals include up to a 1% reduction in overall vehicle weight, an equivalent upfront purchase price, and the potential for reduced maintenance.
Reduced Fuel Consumption
- Lower rolling resistance leads to less fuel consumption.
- There is a large range of rolling resistance in commercially available tires today, so the fuel efficiency will vary widely.
- Because of improvements to LRR duals, the benefit of wide-base tires over duals is only 1% to 2%.
Savings can range from 627 to 1,284 lbs.
Initial Purchase Price
There is a negligible price differential between wide-base and dual tires when spec’d with new equipment.
No need to match tires as in a dual setup, and fewer tires to service reduces time to check pressure and tire condition.
Irregular/Premature Tread Wear
- Anecdotal evidence that suggests some wide-base tires are less tolerant of certain maintenance shortcomings, such as bearing adjustment and inflation pressure.
- Tire wear concerns can be more a matter of perception than reality.
- Product availability was a concern in the early days of wide-base tires.
- Non-users of wide-base tires still cite this as a concern; but more than 90% of tire dealers now stock at least the more popular models of wide-base tires.
Increased Cost of On-road Breakdown
- Labor and service charges connected to a tire failure road call are roughly the same for wide-base or dual tires, so the increased cost of on-road breakdown is more connected to the increased likelihood of wheel damage.
- If a wide-base tire is operated underinflated or flat, wheel damage may be more likely, as there is no companion tire to hold the wheel off the pavement.
- In some regions wide-base tires are seen as a negative during trade-in.
- Several truck dealerships that the study team spoke with indicated that they preferred trade-ins to have dual tires as they seemed to sell better.
- Used truck dealers with both duals and wide-base tires find the duals are preferred and often replace wide-base singles with duals to make the trucks more marketable.
Ability to Retread
- In the past, wide-base tires have been limited to one retread. However, improvements in casing and the retreading process are allowing additional retreads.
- The brand of tire to seems to be a significant factor in the ability to retread it.
There are perceived concerns over traction and stability.
To learn more, download the Low Rolling Resistance Tires Confidence Report.