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Hercules
Hercules Terra Trac HPT 235/75R15XL 109T - 98181
Hercules Terra Trac HPT 235/75R15XL 109T - 98181
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Shop the Hercules Terra Trac HPT 235/75R15 at ThreePiece.us — free shipping on every order, Affirm financing available, and fast delivery nationwide.
What 235/75R15 means
In the size 235/75R15, 235 is the section width in millimeters (9.25 in), 75 is the aspect ratio — the sidewall stands 75% as tall as the tire is wide, or 176.2 mm (6.94 in) — R denotes radial construction, and 15 is the wheel diameter in inches. That works out to an overall diameter of about 28.88 inches, turning roughly 698 revolutions per mile. Overall diameter is what matters for speedometer accuracy and clearance when you change sizes, so compare it — not just the width — against your current tire.
The manufacturer lists the overall diameter of this specific tire as 28.7 inches — when clearance is tight, go by the published figure rather than the nominal size math.
The service description on this tire decodes to a load index of 109 — a maximum load of 2,271 lbs per tire. The speed symbol T corresponds to a maximum sustained speed of 118 mph.
Load Range E corresponds to a 10-ply rating.
Specifications
| Size | 235/75R15XL |
| Tire Type | All Season |
| Service Description | 109T |
| Load Index | 109 |
| Speed Rating | T |
| Load Range | Extra Load |
| Section Width (mm) | 235 |
| Aspect Ratio | 75 |
| Overall Diameter (in) | 28.7 |
| Tread Depth (/32") | 12 |
| Treadwear | 500 |
| Traction Grade | A |
| Temperature Grade | B |
| UTQG | 500AB |
| Warranty | 55K |
Frequently asked questions
What are the treadwear and warranty ratings on the Hercules Terra Trac HPT?
This tire carries a treadwear grade of 500, traction grade A, temperature grade B under UTQG. The manufacturer's warranty is 55K.
What does 109T mean on the Hercules Terra Trac HPT?
109T breaks down as load index 109 — rated for 2,271 lbs per tire — with a T speed rating, good for a maximum sustained 118 mph.
What kind of tire is the Hercules Terra Trac HPT?
The Hercules Terra Trac HPT in 235/75R15 is a all season tire.
Keep shopping
Shop all 235/75R15 tires, browse Hercules tires, see every Hercules Terra Trac HPT size, or view all tires at ThreePiece.us.
- BRAND:
- Hercules
- Model:
- Terra Trac HPT
- Size:
- 235/75R15XL
- Aspect Ratio:
- 75
- Load Index:
- 109
- Load Range:
- Extra Load
- Section Width:
- 235
- Service Description:
- 109T
- Speed Index:
- T
- Temperature:
- B
- Tire Rim Diameter:
- 28.7
- Tire Type:
- All Season
- Traction:
- A
- Tread Wear:
- 500
- Tread Depth:
- 12
- UQTG:
- 500AB
- Warranty:
- 55K
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