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Cooper Tires
Cooper Tires COO Discoverer AT3 LT LT225/75R16/10
Cooper Tires COO Discoverer AT3 LT LT225/75R16/10
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Looking for a 225/75R16 all terrain tire? The Cooper Tires Discoverer AT3 LT is available now at ThreePiece.us with free shipping on every order and Affirm financing at checkout.
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 service description on this tire decodes to a load index of 115 — a maximum load of 2,679 lbs per tire. The speed symbol R corresponds to a maximum sustained speed of 106 mph.
Specifications
| Size | LT225/75R16/10 |
| Tire Type | All Terrain |
| Service Description | 115R |
| Load Index | 115 |
| Speed Rating | R |
| Load Range | SL |
| Section Width (mm) | 225 |
| Aspect Ratio | 75 |
| Overall Diameter (in) | 29.33 |
| Tread Depth (/32") | 17 |
| Warranty | 60K |
Frequently asked questions
What kind of tire is the Cooper Tires Discoverer AT3 LT?
The Cooper Tires Discoverer AT3 LT in 225/75R16 is a all terrain tire.
What warranty does the Cooper Tires Discoverer AT3 LT carry?
The manufacturer's warranty on this tire is 60K.
What does 115R mean on the Cooper Tires Discoverer AT3 LT?
115R breaks down as load index 115 — rated for 2,679 lbs per tire — with an R speed rating, good for a maximum sustained 106 mph.
Keep shopping
Shop all 225/75R16 tires, see every Cooper Tires Discoverer AT3 LT size, explore all terrain tires, or view all tires at ThreePiece.us.
- BRAND:
- Cooper Tires
- Model:
- COO Discoverer AT3 LT
- Size:
- LT225/75R16/10
- Aspect Ratio:
- 75
- Load Index:
- 115
- Load Range:
- SL
- Section Width:
- 225
- Service Description:
- 115R
- Speed Index:
- R
- Temperature:
- N/A
- Tire Rim Diameter:
- 29.33
- Tire Type:
- All Terrain
- Traction:
- N/A
- Tread Wear:
- N/A
- Tread Depth:
- 17
- UQTG:
- N/A
- Warranty:
- 60K
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