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Toyo
Toyo TOY Open Country Q/T P245/55R19
Toyo TOY Open Country Q/T P245/55R19
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The Toyo Open Country Q/T in 245/55R19 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.
What 245/55R19 means
In the size 245/55R19, 245 is the section width in millimeters (9.65 in), 55 is the aspect ratio — the sidewall stands 55% as tall as the tire is wide, or 134.8 mm (5.31 in) — R denotes radial construction, and 19 is the wheel diameter in inches. That works out to an overall diameter of about 29.61 inches, turning roughly 681 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 19 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 103 — a maximum load of 1,929 lbs per tire. The speed symbol H corresponds to a maximum sustained speed of 130 mph.
Specifications
| Size | P245/55R19 |
| Tire Type | Highway |
| Service Description | 103H |
| Load Index | 103 |
| Speed Rating | H |
| Load Range | SL |
| Section Width (mm) | 245 |
| Aspect Ratio | 55 |
| Overall Diameter (in) | 19 |
| Tread Depth (/32") | 12.6 |
| Treadwear | 680 |
| Traction Grade | A |
| Temperature Grade | A |
| UTQG | 680AA |
| Warranty | 65K |
Frequently asked questions
What does 103H mean on the Toyo Open Country Q/T?
103H breaks down as load index 103 — rated for 1,929 lbs per tire — with an H speed rating, good for a maximum sustained 130 mph.
What kind of tire is the Toyo Open Country Q/T?
The Toyo Open Country Q/T in 245/55R19 is a highway tire.
What are the treadwear and warranty ratings on the Toyo Open Country Q/T?
This tire carries a treadwear grade of 680, traction grade A, temperature grade A under UTQG. The manufacturer's warranty is 65K.
Keep shopping
Shop all 245/55R19 tires, see every Toyo Open Country Q/T size, or view all tires at ThreePiece.us.
- BRAND:
- Toyo
- Model:
- TOY Open Country Q/T
- Size:
- P245/55R19
- Aspect Ratio:
- 55
- Load Index:
- 103
- Load Range:
- SL
- Section Width:
- 245
- Service Description:
- 103H
- Speed Index:
- H
- Temperature:
- A
- Tire Rim Diameter:
- 19
- Tire Type:
- Highway
- Traction:
- A
- Tread Wear:
- 680
- Tread Depth:
- 12.6
- UQTG:
- 680AA
- Warranty:
- 65K
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