Every commercial tire has two parts that matter to your budget: the tread that wears away, and the casing underneath it that doesn't have to. Retreading puts new tread on a sound casing instead of throwing the whole tire away. Done right, it is one of the biggest levers a fleet has on cost per mile. Done wrong, or on the wrong tire, it's a roadside call waiting to happen. Here's how to tell the difference.
What retreading actually is
A worn tire comes off the truck and goes to a retread center. The casing is inspected inside and out, the old tread is buffed off, any repairable injuries are fixed, new tread rubber is applied, and the tire is cured so the new tread bonds to the casing. It goes through a final inspection before it goes back on a wheel.
The casing is the expensive, engineered part of the tire. A good casing can go through this process more than once, which is why fleets that manage casings well buy fewer new tires every year.
When a retread is the right call
Drive and trailer positions. This is where retreads earn their keep. Most fleets keep steer positions on new tires and run retreads on drive and trailer axles, where the casing has already proven itself in service.
Regional, vocational, and yard work. Delivery routes, construction and mining support trucks, yard tractors, and equipment that spends its life under 55 mph are ideal retread candidates.
Fleets that control their casings. If you know how old a casing is, how many times it's been repaired, and what it's been through, you can retread with confidence. A tire management program that tracks tires by position makes that simple.
When the casing passes inspection. This is the whole game. Retread a bad casing and you've bought a failure. Retread a good one and you've bought miles.
When to replace instead
- Casing damage. Sidewall cuts, bead damage, exposed cords, or a tire that was run flat or badly underinflated. Heat from running underinflated breaks down the casing from the inside, even when the outside looks fine.
- Too many repairs. A casing with multiple injuries or a repair in the shoulder is a replace, not a retread.
- Age. Casing age and condition decide, and an old casing that has sat in the sun on a trailer is not the same as a young one that ran a clean route.
- Steer positions on highway tractors. Keep them on new tires.
- Mismatched duals. A retread paired with a tire of a different diameter wears both out early. Match them.
Cost per mile, not cost per tire
The sticker price of a retread is a fraction of a new tire, but the number that matters is cost per mile by wheel position. A retread that runs its full life on a trailer axle, on a casing you already paid for, costs you very little per mile. A new tire that gets scrapped early because of an inflation problem costs you a lot, no matter what it cost to buy.
Track three things and the decision mostly makes itself: how many miles each tire runs before it comes off, why it came off, and whether the casing was still good when it did.
How retreading works with CMC Tire
CMC Tire runs its own retread center in Hurricane, Utah. Casings come in through any of our stores and mobile service trucks, get inspected and retreaded with quality rubber compounds, and go back out to your fleet. Our TIA-trained, MSHA-certified technicians can pull your worn tires, evaluate casings on the spot, and tell you which ones are worth running again and which ones aren't.
If you'd rather not manage casings at all, our fleet tire programs handle it for you, from inflation checks and position tracking to scheduling retreads before a tire is run down to the cords. Digital tire monitoring can add pressure and temperature tracking so underinflation gets caught before it ruins a casing.
Want your casings evaluated? Schedule service at any of our 28 locations, or request a quote on retreads and a tire program for your fleet. See everything we do on the Services page.