Detailed specifications
On this page you’ll find the full specifications table for this 305/50R20 Toyo Open Country A/T III – 3PMS All Terrain All Weather Winter tire. This includes manufacturer and listing details (when available) like construction, load and speed rating, certifications (3PMS / studdable / run-flat / XL), and any published ratings such as UTQG (when provided).
Quick Specs
- Size: 305/50R20
- Brand/Model: Toyo Open Country A/T III – 3PMS All Terrain All Weather
- Season: Winter
- Certifications: 3PMSF severe snow service, XL (Extra Load)
- Shipping: Free shipping • 1–3 business days (Ontario and Quebec)
305/50R20 Toyo Open Country A/T III – 3PMS All Terrain All Weather Winter
The Toyo Open Country A/T III is an all-terrain tire that delivers gripping off-road traction with quiet responsive and predictable on-road handling. Increased wet performance and a durable tread life showcase advances in tread design, construction and all-new tread compounding. The Open Country A/T III provides confident wet braking and handling with a better worn appearance and staggered should lugs and more lateral grooves create more traction on all surfaces including snow. It also has a 105,000km tread life warranty for P-Metric and Metric sizes or 90,000km for LT Sizes.Read Reviews
3PMSF severe snow service rating indicated. XL (Extra Load) rating indicated.
How this tire is positioned
305/50R20 Toyo Open Country A/T III – 3PMS All Terrain All Weather is positioned as a winter tire built around a 305 mm section width and 20-inch wheel fitment.
In practical terms, this size combines a 50-series sidewall of about 153 mm with a 20-inch wheel diameter, which is useful when matching an existing tire size and wheel setup.
Feature-wise, this listing indicates 3PMS certification for severe-snow service, an XL extra-load rating, UTQG 600 A B when provided by the manufacturer.
About the 305/50R20 tire size
The 305/50R20 size breaks down like this:
- 305 = tire width in millimetres
- 50 = sidewall height as a percentage of width (approx. 153 mm)
- R20 = fits an 20-inch wheel
If you’re matching an existing set, confirm the full size on your sidewall before ordering.
Key features on this Toyo Open Country A/T III – 3PMS All Terrain All Weather in 305/50R20
Highlights based on the details available for this tire:
- 3PMSF severe snow service symbol indicated.
- XL (Extra Load) rating indicated.
- UTQG: 600 A B (when provided by manufacturer).
- Size: 305/50R20 (fits an 20-inch wheel).
Warranty
- Warranty: 105000
- Warranty coverage is provided by the manufacturer and may vary by application and service conditions.
FAQ: 305/50R20 Toyo Open Country A/T III – 3PMS All Terrain All Weather Winter
What does 305/50R20 mean on a tire?
It indicates the tire’s width (305 mm), sidewall ratio (50%), and wheel diameter (R20).
Is this a Winter tire?
Yes — this tire is categorized as Winter.
Is this tire 3PMS rated?
Yes, it’s marked 3PMS (severe snow).
Is this tire studdable?
This listing does not specify whether this tire is studdable. Check local rules before installing studs.
Does it support run-flat driving?
No — this tire is not listed as run-flat.
Is this tire XL (extra load)?
Yes — this tire is listed as XL (extra load).
How long does delivery take in Ontario and Quebec?
Free shipping • 1–3 business days (Ontario and Quebec)
Other available sizes for Toyo Open Country A/T III – 3PMS All Terrain All Weather