Sumitomo

Encounter AT

Name: Sumitomo Encounter AT LT285/60R20 E
Brand: Sumitomo
SKU: ATH88
Price: 266.24 USD
Availability: InStock

LT285/60R20 E

3PMSF

$266.24/tire $354.99

Set of 4: $1064.96

🚚 Standard shipping across the country — delivered with DHL in 2-6 business days. 🔒 SSL-secured checkout.

↩️ Free returns within 30 days — unmounted tires, prepaid label, no return shipping cost.

Specifications

Size	LT285/60R20 E Encounter AT
Width	285 mm
Aspect ratio	60
Rim diameter	R20
Load index	125/122
Speed rating	R
Ply rating	10

Treadwear warranty	60,000 miles
Tread depth	18/32"
Weight	61.5 lbs
Max pressure	80 psi
Severe snow (3PMSF)	Yes
Run-flat	No

About the Sumitomo Encounter AT

All-Weather All-Terrain Passenger Light Truck/SUV tire.

Features

* Non-directional 5-rib tread design* Deep circumferential grooves* Optimized tread pattern* Variable width shoulder lugs* 3D wave sipes* Carries the Three Peak Mountain Snow Flake (3PMSF) symbol* M+S Rated* 60,000 Mile/100,000 km Limited Treadwear Warranty for Metric and LT Sizes* Free 30-Day Test Drive* 2-Year, 24/7 Tire Roadside Assistance* Free Lifetime Replacement for Workmanship and Material Defects

Benefits

* Optimizes ride stability and protects against irregular wear* Boosts wet grip performance and provides superior wear life* Stabilizes handling and steering response for a smooth, quiet ride* Evacuates rocks, sand and other debris for superior off-road grip* Enhances traction and performance in snow, mud and other soft surfaces* Ensures reliable winter performance in heavy snow

Understanding the LT285/60R20 E size

In the size code 285/60R20, 285 is the section width in millimetres (about 11.2"). 60 is the aspect ratio — the sidewall height is 60% of the width, or roughly 171 mm. R20 means radial construction on a 20-inch wheel, giving an approximate overall diameter of 33.5".

The load index 125 means each tire supports up to 3,638 lbs — about 14,552 lbs across a full set of four. The speed symbol R certifies the tire to 106 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 Sumitomo Encounter AT is built for

It carries the three-peak mountain snowflake (3PMSF) symbol, meaning it passed a standardised severe-snow traction test.

Price and value

At $266.24 per tire, a full set of four costs $1064.96. That is about 16% below the average price of the 50 tires we stock in this size. Backed by a 60,000-mile treadwear warranty, that works out to roughly $17.75 per 1,000 miles across the set.

Frequently asked questions

What does the tire size 285/60R20 mean?

285 is the section width in millimetres, 60 is the aspect ratio (sidewall height as a percentage of width, about 171 mm), and R20 indicates radial construction for a 20-inch wheel. Overall diameter is approximately 33.5 inches.

What are the load and speed ratings of the Sumitomo Encounter AT LT285/60R20 E?

Its load index of 125 allows up to 3,638 lbs per tire. Its speed rating of R is certified to 106 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 Sumitomo Encounter AT LT285/60R20 E tires cost?

A single tire is $266.24 and a set of four is $1064.96, covered by a 60,000-mile treadwear warranty.

Is the Sumitomo Encounter AT rated for snow?

Yes. It carries the three-peak mountain snowflake (3PMSF) symbol, meaning it met a standardised severe snow traction test.

Does the Encounter AT come in other sizes?

Yes — we stock 47 additional Encounter AT sizes besides LT285/60R20 E. Fit only a size approved for your vehicle.