Additional information

Season

width

profile

diameter

Load Index

Brand

Vehicle Type

Light Truck

Sidewall

Outlined White Letters

Warranty

80000

Min Wheel Width

8

Max Wheel Width

9.5

Tread Depth

16

3PMS

3PMS

Speed Index

Description

 

Toyo Open Country AT3 10 Ply: The Ultimate Choice for Your Vehicle

When it comes to outfitting your vehicle with the best tires for any season or terrain, the Toyo Open Country AT3 10 Ply stands out as a remarkable option. These tires are crafted with the latest technology to ensure you receive reliability regardless of the journey ahead. Especially suited for those in need of performance and durability…this is not just any tire; it’s a commitment to superior quality and safe travel. Some of the notable features include its capability as a Toyo Open Country A/T III 3PMS…an All TerrainAll Weather solution…perfect for demanding conditions…making it suitable also as a Winter tire that can handle the demanding winter roads with ease.

Toyo Open Country A/T III 3PMS|All Terrain|All Weather|Winter…toyo open country at3 10 ply…LT275/65R18…tires…tires near me…tire clearance…and tire sale!

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 65,000 mile tread life warranty for P-Metric and Metric sizes or 55,000 mile for LT Sizes.

The Open Country AT3 is engineered for adventure. The robust construction ensures the tires can withstand rigorous conditions…offering remarkable longevity. Designed with versatility in mind…the tire is equipped with a tread pattern optimized to conquer the extreme demands of different terrains. Whether cruising on rocky paths or gliding through icy roads…this Toyo Open Country A/T III 3PMS tire is crafted for All TerrainAll Weather performance…and earns its stripes as a reliable Winter tire.

Why Choose Toyo Open Country AT3 10 Ply for Every Terrain?

What sets the Open Country AT3 apart from others is its unique design and the assurance of robust performance. Sporting the LT275/65R18 size…it is versatile enough for a range of vehicles without sacrificing quality. The dedication to safety ensures each ride is not only smooth but also secure…with advanced traction control that gives you the confidence to tackle unpredictability on the road. Whether you’re facing the biting chill of winter or the challenging unpredictability of wild terrains…the Toyo Open Country A/T III 3PMS feature ensures impeccable grip.

A Commitment to Performance with Toyo Open Country AT3 10 Ply

In a marketplace flooded with options…the Toyo Open Country AT3 10 Ply shines as a beacon of innovation and reliability. As drivers…we understand the importance of choosing tires that not only align with our vehicle’s requirements but also elevate its performance across All Terrain and All Weather scenarios. These tires provide the added advantage of functioning adeptly as a Winter tire…reflecting Toyo’s commitment to exceeding customer expectations.

Elevating Your Driving Experience

Embrace a new realm of driving possibilities with the Toyo Open Country AT3 10 Ply…designed to redefine your vehicle’s capabilities across diverse conditions. Performance…safety…and innovation are at the heart of these tires…making them an excellent investment for proactive drivers. From the bustling cities to the rugged wilderness…let the Toyo Open Country A/T III 3PMS be your companion…promising excellence every mile of the way.

Detailed specifications

Listed are full spes for this LT275/65R18 Toyo Open Country A/T III – 3PMS All Terrain All Weather Winter tire — including load/speed ratings, certifications (3PMS / studdable / run-flat / XL), UTQG treadwear/traction/temperature grading, and shipping details for Ontario and Quebec.

Why choose the LT275/65R18 Toyo Open Country A/T III – 3PMS All Terrain All Weather?

LT275/65R18 Toyo Open Country A/T III – 3PMS All Terrain All Weather is positioned as a winter / light truck fitment tire with clear Ontario and Quebec delivery details.

Free shipping • 1–3 business days (Ontario and Quebec)In stockOntario & Quebec delivery focusSpecs, fitment notes, and FAQ on page

Best fit if you want

  • Cold weather traction, snow performance, and Quebec winter tire compliance.
  • Drivers who want a dedicated winter set instead of stretching all seasons into winter.

Double-check if you need

  • Warm weather summer use or maximum tread life in hot conditions.
Buying optionWhat to compare
Lowest sticker price tiresCheck shipping, stock status, delivery timing, and whether the final landed cost is still lower after checkout.
XYZTires.comAssist with fitment context, Ontario/Quebec free delivery, and product specific FAQ.

Quick Specs

  • Size: LT275/65R18
  • Brand / Model: Toyo Open Country A/T III – 3PMS All Terrain All Weather
  • Season: Winter
  • Vehicle Type: Light Truck
  • Load / Speed: 123S (Load index 123 supports up to 1550 kg per tire; speed rating S rated up to 180 km/h)
  • Certifications: 3PMSF severe snow service
  • Delivery (Ontario & Quebec): Free shipping • 1–3 business days (Ontario and Quebec)

LT275/65R18 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 80,000km tread life warranty for P-Metric and Metric sizes or 80,000km for LT Sizes.Read Reviews

3PMSF severe snow service rating indicated.

What these tire specs mean

  • Load Index 123 is the tire’s standardized carrying capacity, supporting up to 1550 kg per tire. Use it to confirm the tire meets or exceeds the load rating listed on your vehicle placard.
  • Speed Rating S indicates the tire’s maximum sustained speed capability under proper load and inflation. This is approximately 180 km/h under proper load and inflation.
  • Winter tires are built for cold weather traction and carry 3PMS for severe snow service.
  • 3PMS is the Three Peak Mountain Snowflake symbol, confirming the tire meets recognized severe snow traction performance standards.
  • Vehicle Type helps identify whether the tire is intended for passenger, light truck, commercial, or similar service categories.
  • Warranty coverage is manufacturer backed and depends on normal use, proper maintenance, rotation, inflation, and alignment conditions.

How this tire is positioned

LT275/65R18 Toyo Open Country A/T III – 3PMS All Terrain All Weather is positioned as a winter tire built around a 275 mm section width and 18-inch wheel fitment.

In practical terms, this size combines a 65-series sidewall of about 179 mm with a 18-inch wheel diameter, which is useful when matching an existing tire size and wheel setup.

Feature wise, this tire indicates 3PMS certification for severe snow service, load index 123 and speed rating S (~180 km/h).

About the LT275/65R18 tire size

The LT275/65R18 size breaks down as follows:

  • 275 — tread width in millimetres
  • 65 — sidewall height as a percentage of tread width (approx. 179 mm)
  • R18 — fits a 18-inch rim

The LT275/65R18 size is commonly found on full size SUVs and light trucks. If you’re matching an existing set, confirm the full size marking on your sidewall before ordering.

Key features — Toyo Open Country A/T III – 3PMS All Terrain All Weather in LT275/65R18

  • 3PMSF severe snow service symbol present.
  • Load/Speed: 123S — load index 123 supports up to 1550 kg per tire, while speed rating S is rated up to 180 km/h.
  • Size: LT275/65R18 (fits an 18-inch wheel).
  • Season category: Winter.
Ontario & Quebec — winter tire information

In Quebec, winter tires are mandatory on all passenger vehicles from December 1 to March 15 under the Highway Safety Code. In Ontario, winter tires are strongly recommended during cold weather months and many insurance providers offer premium discounts for equipped vehicles. The LT275/65R18 Toyo Open Country A/T III – 3PMS All Terrain All Weather is a Winter tire bearing the 3PMSF severe snow service symbol, making it eligible to satisfy Quebec’s winter tire mandate.

Warranty

  • Warranty: 80000
  • This warranty is provided by Toyo and applies subject to normal use and service conditions. Contact us or the manufacturer directly for claim procedures and exclusions.

Find tires for your vehicle

Select your year, make, model, and trim to see all compatible tires available for delivery across Ontario and Quebec:

Frequently asked questions — LT275/65R18 Toyo Open Country A/T III – 3PMS All Terrain All Weather Winter

What does the LT275/65R18 tire size mean?

The LT275/65R18 size indicates a tread width of 275 mm, a sidewall ratio of 65% (approximately 179 mm tall), and a 18-inch rim diameter. This size is commonly found on full size SUVs and light trucks.

Is the LT275/65R18 Toyo Open Country A/T III – 3PMS All Terrain All Weather a Winter tire?

Yes — the LT275/65R18 Toyo Open Country A/T III – 3PMS All Terrain All Weather is categorized as a Winter tire. Winter tires are mandatory in Quebec from December 1 to March 15, and strongly recommended across Ontario during cold weather months.

What does the 123S rating mean on the LT275/65R18 Toyo Open Country A/T III – 3PMS All Terrain All Weather?

On the LT275/65R18 Toyo Open Country A/T III – 3PMS All Terrain All Weather, the service description 123S indicates a load index of 123 and a speed rating of S (approximately 180 km/h). The load index is the tire’s standardized carrying capacity, while the speed rating is the maximum sustained speed under proper load and inflation. Always match or exceed your vehicle manufacturer’s required load and speed ratings.

Is the LT275/65R18 Toyo Open Country A/T III – 3PMS All Terrain All Weather 3PMS rated?

Yes — winter tires like the LT275/65R18 Toyo Open Country A/T III – 3PMS All Terrain All Weather have the 3PMSF (Three-Peak Mountain Snowflake) symbol for severe snow.

Is the LT275/65R18 Toyo Open Country A/T III – 3PMS All Terrain All Weather studdable?

This tire, LT275/65R18 Toyo Open Country A/T III – 3PMS All Terrain All Weather is not studdable. Contact us for any questions.

Does the LT275/65R18 Toyo Open Country A/T III – 3PMS All Terrain All Weather support run flat driving?

No — the LT275/65R18 Toyo Open Country A/T III – 3PMS All Terrain All Weather is not a run flat.

Is the LT275/65R18 Toyo Open Country A/T III – 3PMS All Terrain All Weather an XL (extra load) tire?

No — the LT275/65R18 Toyo Open Country A/T III – 3PMS All Terrain All Weather is not an XL (extra load) tire.

What does speed rating S mean on the LT275/65R18 Toyo Open Country A/T III – 3PMS All Terrain All Weather?

Speed rating S on the LT275/65R18 Toyo Open Country A/T III – 3PMS All Terrain All Weather corresponds to a maximum sustained speed of approximately 180 km/h under full load. Always obey posted speed limits regardless of tire rating.

Can I order the LT275/65R18 Toyo Open Country A/T III – 3PMS All Terrain All Weather with delivery to Ontario or Quebec?

Yes — XYZTires ships the LT275/65R18 Toyo Open Country A/T III – 3PMS All Terrain All Weather to addresses across Ontario and Quebec. Free shipping • 1–3 business days (Ontario and Quebec).

Why buy the LT275/65R18 Toyo Open Country A/T III – 3PMS All Terrain All Weather from XYZTires if another tire looks cheaper?

A lower sticker price is only one part of the tire purchase. Compare the final delivered cost, shipping time, stock status, fitment details, and whether the tire category matches how you drive. XYZTires focuses on clear Ontario and Quebec delivery details, product specifications, and fitment context so you can compare the real delivered value, not just the first price you see.

Other available sizes — Toyo Open Country A/T III – 3PMS All Terrain All Weather