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Cooper Discoverer AT3 4S 225/75R16 104T - 171149010
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Cooper
SKU:
171149010
|
- UPC:
- 00029142908555
- Availability:
- Y
$ 615.96 set | $153.99 each
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- Width:
- 8.60 (in)
- Height:
- 29.13 (in)
- Depth:
- 29.13 (in)
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Shop the Cooper Discoverer AT3 4S 225/75R16 at ThreePiece.us — free shipping on every order, Affirm financing available, and fast delivery nationwide.
What 225/75R16 means
In the size 225/75R16, 225 is the section width in millimeters (8.86 in), 75 is the aspect ratio — the sidewall stands 75% as tall as the tire is wide, or 168.8 mm (6.64 in) — R denotes radial construction, and 16 is the wheel diameter in inches. That works out to an overall diameter of about 29.29 inches, turning roughly 689 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 29.13 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 104 — a maximum load of 1,984 lbs per tire. The speed symbol T corresponds to a maximum sustained speed of 118 mph.
Specifications
| Size | 225/75R16 |
| Tire Type | All Season |
| Service Description | 104T |
| Load Index | 104 |
| Speed Rating | T |
| Load Range | SL |
| Section Width (mm) | 225 |
| Aspect Ratio | 75 |
| Overall Diameter (in) | 29.13 |
| Tread Depth (/32") | 14 |
| Treadwear | 620 |
| Traction Grade | A |
| Temperature Grade | B |
| UTQG | 620AB |
| Warranty | 65K |
Frequently asked questions
What are the treadwear and warranty ratings on the Cooper Discoverer AT3 4S?
This tire carries a treadwear grade of 620, traction grade A, temperature grade B under UTQG. The manufacturer's warranty is 65K.
What does 104T mean on the Cooper Discoverer AT3 4S?
104T breaks down as load index 104 — rated for 1,984 lbs per tire — with a T speed rating, good for a maximum sustained 118 mph.
What kind of tire is the Cooper Discoverer AT3 4S?
The Cooper Discoverer AT3 4S in 225/75R16 is a all season tire.
Keep shopping
Shop all 225/75R16 tires, browse Cooper tires, see every Cooper Discoverer AT3 4S size, or view all tires at ThreePiece.us.
- BRAND:
- Cooper
- Model:
- Discoverer AT3 4S
- Size:
- 225/75R16
- Aspect Ratio:
- 75
- Load Index:
- 104
- Load Range:
- SL
- Section Width:
- 225
- Service Description:
- 104T
- Speed Index:
- T
- Temperature:
- B
- Tire Rim Diameter:
- 29.13
- Tire Type:
- All Season
- Traction:
- A
- Tread Wear:
- 620
- Tread Depth:
- 14
- UQTG:
- 620AB
- Warranty:
- 65K
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