Hercules H502, model year 9999. Filed by Hercules Tire & Rubber Company and reported to NHTSA on 8 August 2012. 1,915 vehicles potentially affected.
What the notice says Hercules Tire & Rubber Company (Hercules) is recalling certain H502 radial medium tubeless truck tires, size 315/80R22.5 Load Range J, produced in the DOT week ending dates 5211 thru 2112. The affected tires may have been produced with an insufficient tire liner gauge (thickness) due to an improperly working machine.
Is your vehicle included? Check with your VIN at NHTSA, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.
What owners ask about this recall
- Which vehicles does recall 12T021 cover?
- Hercules H502.
- What is wrong with them?
- Hercules Tire & Rubber Company (Hercules) is recalling certain H502 radial medium tubeless truck tires, size 315/80R22.5 Load Range J, produced in the DOT week ending dates 5211 thru 2112.
- What can happen if it is not put right?
- The presence of this condition may precipitate the formation of voids (U crack) which could result in early life sidewall separations, increasing the risk of a vehicle crash.
- Is there a fix yet?
- Yes, and it is free. Hercules will notify owners and the tires will be replaced free of charge. The safety recall began on August 20, 2012. Owners may contact Hercules toll-free at 1-800-677-3573.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on.
Answered from the register this site holds. NHTSA is the record to act on.
What the authority says can happen if this is not fixed: “The presence of this condition may precipitate the formation of voids (U crack) which could result in early life sidewall separations, increasing the risk of a vehicle crash.”
affected
in the notice
caught
| Campaign | 12T021 |
|---|---|
| Filed by | HERCULES TIRE & RUBBER COMPANY |
| System at fault | Tires:Sidewall |
| Reported to NHTSA | 8 August 2012 |
| Model years | 9999-9999 |
| Vehicles named | HERCULES H502 |
What the notice says today
The consequence
The presence of this condition may precipitate the formation of voids (U crack) which could result in early life sidewall separations, increasing the risk of a vehicle crash.
The remedy
Hercules will notify owners and the tires will be replaced free of charge. The safety recall began on August 20, 2012. Owners may contact Hercules toll-free at 1-800-677-3573.
What it said before
This campaign is in the register but not yet in the dated wording archive, so we cannot yet say whether its text has moved. It enters the archive on the next pass.
This is one of 455 notices in the record whose component field names tires. Across that group the median wait before owners were written to was 34 days.
Last checked . No change has been recorded in the wording.
How to cite this record
Quoting the wording on this page means quoting a version, so the date belongs in the citation:
CarsMultiverse, recall 12T021, wording as read on 17 September 2026. https://carsmultiverse.com/recall/12t021/
The cross-border matches used on this site are deposited as a citable dataset: doi:10.5281/zenodo.22087136. The recall wording itself is published by the national authority named above and is theirs, not ours.
The recall record and its wording are published by the US National Highway Traffic Safety Administration and are US Government public domain. The dated archive, the comparison and any before-and-after above are CarsMultiverse. How fresh every engine behind this page is, is public on the status page. To check a specific vehicle, use NHTSA’s own VIN lookup.
Other Hercules notices we hold
Every manufacturer in the record
The fingerprint of this notice
We take a SHA-256 of each of the three blocks of text the authority publishes and keep the first eight characters. As we last read campaign 12T021 on 23 August 2026, they were:
- Defect summary
0bcf5c63 - Consequence
d94f5875 - Remedy
d2f9ac50
We first read this notice on 21 August 2026. It has not moved since. If it ever does, these characters will not match, and the change will be dated here.
The wording we hold for 12T021 · how the whole register is watched
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