Open Country C/T
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Specifications
| Size | LT275/55R20 D Open Country C/T |
|---|---|
| Width | 275 mm |
| Aspect ratio | 55 |
| Rim diameter | R20 |
| Load index | 115/112 |
| Speed rating | Q |
| Ply rating | 8 |
| Season | All-Weather |
|---|---|
| Tread depth | 18.4/32" |
| Weight | 61.6 lbs |
| Max pressure | 65 psi |
| Severe snow (3PMSF) | Yes |
| Run-flat | No |
About the Toyo Open Country C/T
All-Weather All-Terrain Commercial Grade Light Truck tire. Pinned for Studs.
Features
* Natural rubber blended compound* Deep grooves and stone ejectors* Aggressive sidewall and buttress* Dual angle shoulder blocks and open shoulder grooves* 3-ply high turn-up construction* Open notches and deep sipes* Pinned for (#15) studs* Carries the Three-Peak Mountain Snowflake (3PMSF) symbol
Benefits
* Resists cutting, chipping and stone drilling while remaining flexible in cold for enhanced grip and traction in extreme winter conditions* Dislodge stones that may penetrate tread* For tough looks and even tougher performance in dirt, mud or snow* Enhance traction in wet, snow, mud and rutted roads* Exceptional bruise resistance for superior traction and steering response with increased stability and durability* For optimal snow and ice traction* Meets the required performance criteria for Use in Severe Snow Conditions
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 Q certifies the tire to 99 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 C/T is built for
The Toyo Open Country C/T is an all-weather tire — a year-round option certified for severe snow service, so it can stay on the vehicle through winter. It carries the three-peak mountain snowflake (3PMSF) symbol, meaning it passed a standardised severe-snow traction test. It is classified for all-terrain (a/t) use.
Price and value
At $266.81 per tire, a full set of four costs $1067.24. That is about 32% 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 C/T LT275/55R20 D?
Its load index of 115 allows up to 2,679 lbs per tire. Its speed rating of Q is certified to 99 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 C/T LT275/55R20 D tires cost?
A single tire is $266.81 and a set of four is $1067.24.
Is the Toyo Open Country C/T rated for snow?
Yes. It carries the three-peak mountain snowflake (3PMSF) symbol, meaning it met a standardised severe snow traction test.
Does the Open Country C/T come in other sizes?
Yes — we stock 26 additional Open Country C/T sizes besides LT275/55R20 D. Fit only a size approved for your vehicle.