Open Country M/T
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Specifications
| Size | LT275/55R20 D Open Country M/T |
|---|---|
| Width | 275 mm |
| Aspect ratio | 55 |
| Rim diameter | R20 |
| Load index | 115/112 |
| Speed rating | P |
| Ply rating | 8 |
| Season | All-Season |
|---|---|
| Tread depth | 19.1/32" |
| Weight | 68.3 lbs |
| Max pressure | 65 psi |
| Severe snow (3PMSF) | No |
| Run-flat | No |
About the Toyo Open Country M/T
All-Season Mud-Terrain Passenger Light Truck tire.
Features
* Aggressive tread design with hook-shaped blocks* Open, scalloped shoulder blocks* Over-the-shoulder tread* Deep siping in the tread blocks* High turn-up, 3-ply polyester casing* Toyo Tires' Limited Warranty* 500 Mile Trial Offer
Benefits
* Delivers excellent off-road traction and great on-road performance* Bite into the ground and help to eject mud, snow, and rocks while maintaining off-road traction* Provides additional forward traction in deep mud and snow* Help maintain grip on wet surfaces* Strengthens tire to provide excellent handling and durability while maintaining proper load capacity
Understanding the LT275/55R20 D size
In the size code 275/55R20, 275 is the section width in millimetres (about 10.8"). 55 is the aspect ratio — the sidewall height is 55% of the width, or roughly 151.3 mm. R20 means radial construction on a 20-inch wheel, giving an approximate overall diameter of 31.9".
The load index 115 means each tire supports up to 2,679 lbs — about 10,716 lbs across a full set of four. The speed symbol P certifies the tire to 93 mph under its rated load. Always match or exceed the load index and speed rating listed on your vehicle's door-jamb placard.
What the Toyo Open Country M/T is built for
The Toyo Open Country M/T is an all-season tire, balancing dry grip, wet traction and tread life across spring, summer and autumn conditions. It carries an M+S (mud and snow) marking for light winter service. It is classified for mud-terrain (m/t) use.
Price and value
At $353.13 per tire, a full set of four costs $1412.52. That is about 74% above the average of the 156 tires we stock in this size, reflecting its position in the range.
Frequently asked questions
What does the tire size 275/55R20 mean?
275 is the section width in millimetres, 55 is the aspect ratio (sidewall height as a percentage of width, about 151.3 mm), and R20 indicates radial construction for a 20-inch wheel. Overall diameter is approximately 31.9 inches.
What are the load and speed ratings of the Toyo Open Country M/T LT275/55R20 D?
Its load index of 115 allows up to 2,679 lbs per tire. Its speed rating of P is certified to 93 mph. Check your door-jamb placard and do not fit a tire rated below the vehicle's requirement.
How much does a set of 4 Toyo Open Country M/T LT275/55R20 D tires cost?
A single tire is $353.13 and a set of four is $1412.52.
Does the Open Country M/T come in other sizes?
Yes — we stock 83 additional Open Country M/T sizes besides LT275/55R20 D. Fit only a size approved for your vehicle.