Hercules TIS Offroad RT1 Tire

Hercules TIS Offroad RT1 LT285/55R20

4.8(257 store reviews)
$274.97 each
$1,099.88 set
or 4 interest-free payments of $274.97 Shop Pay Klarna Afterpay interest-free when paid on time
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Category
Hybrid All-Terrain / Mud-Terrain
Tread warranty
55,000 miManufacturer limited
Load index
122/1193,307 lbs per tire
Speed rating
RUp to 106 mph
Know your tire

About the Hercules TIS Offroad RT1

Trail-Ready Toughness, Mile After Mile

Best forLight truck, Jeep, and lifted SUV owners who split time between demanding off-road trails and regular highway driving.

The Hercules TIS Offroad RT1 is a hybrid all-terrain/mud-terrain tire built for light trucks, Jeeps, and lifted SUVs that demand serious off-road capability without sacrificing everyday drivability. Sitting between a traditional all-terrain and a full mud-terrain design, it delivers aggressive trail performance, high puncture resistance, and a 55,000-mile tread warranty across 39 sizes spanning 16- to 22-inch rim diameters.

The RT1 uses a symmetrical tread pattern with scalloped shoulder blocks and integrated mud ejectors that push debris clear to sustain traction in loose or rocky terrain. A reinforced 3-ply sidewall resists cuts and punctures from sharp rocks, while a specialized rubber compound fights chipping and tearing on gravel. Optimized pitch sequencing across the tread blocks helps reduce highway road noise for a more comfortable daily commute.

The numbers

Specifications

Size & Dimensions
Brand Hercules
Tire Model TIS Offroad RT1
Part Number 98822
Tire Size LT285/55R20
Section Width 285
Aspect Ratio 55
Rim Diameter 20
Overall Diameter 32.4
Performance
Speed Rating R
Load Index 122/119
Load Range E
Ply Rating 10
Max Inflation Pressure 80
Tread Depth 16.4
Ratings
Mileage Warranty 55K
Category
Tire Type Hybrid AT/MT, All Season
Good to know

Questions about this tire

What does LT285/55R20 122/119R mean?

285 is the tread width in millimeters, 55 means the sidewall is 55% of that width, and R20 is the 20-inch rim it mounts on. 122 is the load index (3,307 lbs per tire), and R is the speed rating (up to 106 mph).

Is the TIS Offroad RT1 better suited for off-road use or daily highway driving?

The RT1 is engineered to handle both, bridging the gap between all-terrain and mud-terrain performance. Its pitch-sequenced tread and 3-ply sidewall construction make it capable on trails, while noise-reduction tread geometry keeps highway driving reasonably comfortable. Drivers who spend the majority of their time on pavement may find a dedicated highway or all-terrain tire quieter, but the RT1 is a strong choice for those who genuinely mix both environments.

Does the RT1 carry a Three-Peak Mountain Snowflake (3PMSF) rating for winter driving?

No, the TIS Offroad RT1 does not carry a Three-Peak Mountain Snowflake certification, so it is not rated for severe snow service. Drivers in regions with heavy winter conditions should consider a dedicated winter or 3PMSF-certified all-weather tire for those months.

What makes the RT1 different from a standard all-terrain tire?

The RT1 sits in a hybrid category between all-terrain and mud-terrain designs, featuring more aggressive shoulder blocks, mud ejectors, and a reinforced 3-ply sidewall than most traditional all-terrain tires offer. This gives it greater resistance to sidewall damage and better debris-clearing ability in loose, rocky, or muddy conditions while still maintaining acceptable on-road manners.

What is the mileage warranty on the Hercules TIS Offroad RT1?

The RT1 comes backed by a 55,000-mile tread warranty, which is competitive for a tire in the hybrid all-terrain/mud-terrain category. Always review the specific warranty terms and conditions, as coverage details may vary.

Will the RT1 fit my lifted truck or Jeep?

The RT1 is available in 39 sizes ranging from 16- to 22-inch rim diameters, covering many popular fitments for light trucks, Jeeps, and lifted SUVs. Use the fitment tool on our site to confirm the correct size for your specific vehicle and lift configuration.

The brand

About Hercules Tires

Hercules Tires is a North American tire brand with roots going back to 1952. The brand operates as part of American Tire Distributors and focuses on delivering value-oriented passenger, light truck, and commercial tires.

Shop all Hercules tires →

Vehicle Compatibility

Buying from TFS Wheels

Shipping, returns & guarantees

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TFS Wheels is an authorized dealer for every brand we carry. Every wheel and tire we ship is brand new, unused, and packaged in its original manufacturer's box. We never sell refurbished, demo, or return-stock product. All manufacturer warranties apply and our warehouse is staffed by people who only handle wheels and tires — no in-transit damage, no test-fits, no surprises.

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If a wheel or tire marked "Direct Fit" or "Aftermarket Fit" for your vehicle arrives and does not fit as expected, we cover both the restocking fee and return shipping. The same applies if the bolt pattern does not match — provided your vehicle information was submitted at checkout.

To qualify for the guarantee, enter your year, make, model, and submodel before placing the order.

Manufacturer's Warranty

Every wheel and tire is covered by the full manufacturer's warranty against defects in materials and workmanship. Coverage terms vary by brand — most cover structural integrity for the life of the wheel and finish for 1 to 2 years from purchase. If you ever have a warranty question, contact us first; we work directly with the manufacturer on your behalf so you don't have to.

Accessories Included with Your Order

When you submit your vehicle information at checkout, the right lug nuts and (if needed) hub-centric rings are automatically added to your cart in the correct sizes — no guessing, no separate ordering.

TPMS sensors are also available in the cart. We program each sensor to your vehicle's exact year, make, model, and submodel before shipping, so they arrive ready to sync with your truck or car the moment they're installed. This typically saves customers the dealer or installer's programming fees, which often run several dozen dollars per wheel.

Returns

Returns are accepted within 30 days of purchase on items in new, unused condition. A 25% restocking fee applies to general (change-of-mind) returns, and the buyer covers return shipping.

The restocking fee and return shipping are waived for incorrect items, transit damage, or fitment issues when vehicle information was provided at checkout. Single wheels, single tires, mounted items, special orders, and accessories (lug nuts, locks, hub-centric rings, TPMS sensors, installation kits) are final sale.

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