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RubberMaster
RubberMaster P811 ST 4.80-12 B (4 Ply) 12x4 5 x 114.3 Black Modular 72M
RubberMaster P811 ST 4.80-12 B (4 Ply) 12x4 5 x 114.3 Black Modular 72M
RubberMaster P811 ST 4.80-12 B (4 Ply) 12x4 5 x 114.3 Black Modular 72M
RubberMaster P811 ST 4.80-12 B (4 Ply) 12x4 5 x 114.3 Black Modular 72M
RubberMaster P811 ST 4.80-12 B (4 Ply) 12x4 5 x 114.3 Black Modular 72M
RubberMaster P811 ST 4.80-12 B (4 Ply) 12x4 5 x 114.3 Black Modular 72M
RubberMaster P811 ST 4.80-12 B (4 Ply) 12x4 5 x 114.3 Black Modular 72M
RubberMaster P811 ST 4.80-12 B (4 Ply) 12x4 5 x 114.3 Black Modular 72M
RubberMaster P811 ST 4.80-12 B (4 Ply) 12x4 5 x 114.3 Black Modular 72M
RubberMaster P811 ST 4.80-12 B (4 Ply) 12x4 5 x 114.3 Black Modular 72M

RubberMaster P811 Tire and Wheel Assembly4.8-12 • 72M • All Season • Highway

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Assembly listings contain tires with rims for sale. The listed price is for both the tire and the rim. The actual bolt pattern of the rim may differ from the one in the photos, please check the Item Specifications for the actual rim type.

RubberMaster P811

FEATURES AND BENEFITS

  • All season traction
  • Enhanced controllability
  • Longer lasting tread life

OVERVIEW

The RubberMaster P811 is a highway terrain, all season tire manufactured for trailers. This tire is NOT MEANT TO BE MOUNTED ON LIGHT TRUCKS, as its construction will not support the weight and performing style of such vehicles. It can ONLY BE MOUNTED ON TRAILERS.

The tire promotes exceptional year round traction. The stronger compound elements and the ribbed tread design work together to increase the dry, wet, and winter weather traction. The tread elements improve the grip on the road surface with extra biting edges, while the compound optimizes the rubber flexibility throughout the performance. The groove placement allows the tire to avoid hydroplaning by dispersing water and slush from the footprint in wet weather conditions. This greatly improves the tire's performing driving safety in all weather conditions.

A longer lasting usability is also guaranteed. The tread design and the durable compound improve the tread life. The durable compound elements utilize wear-resistant materials which significantly lower the overall treadwear rate. The structure stabilizes the footprint, preventing tread flexing. This, and the ribbed tread design, ensures the tire's even pressure circulation across the tread area, preventing irregular and premature wear formations. The slow and even wear along the footprint significantly enhances the tire's overall service and tread life.

The P811 improves the controllability. The flat footprint and the tread's ribbed design ensure the tire's surface contact while the tires are in motion. This promotes better steering responsiveness and driving stability. As a result, the tire enhances the steering response time and accuracy to the towing vehicle's commands, while the structure is secured against the driving pressure. This results in the tire's exceptional performing ability, while it promotes a safer towing experience.

This specific tire model features a BIASED ply construction.

There might be discrepancies of sizes between brands and models of tires which have this size formatting. As the manufacturers only provide the tire width and the rim diameter with these tires, various brands and models will have size differences. In order to ensure the correct size is purchased, the overall tire diameter that is needed should be checked.

The Overall Diameter or O.D. advertised represents the tire's overall diameter in inches, once the tire has been properly inflated and mounted per the manufacturer's recommendation. This advertised number is provided to Priority Tire by the tire manufacturer.

Manufacturers recommend changing tires every 10 years. As long as tires are properly stored before they are sold, the year of their manufacture will not shorten their service life.

Tire Specifications

Check out specifications of the tire.

4.8-12
4.80
N/A
12 inches
21 inches
M
BrandRubberMaster
Highway
Run flatNo
ModelP811
SKUNA1731156-99
Approved rim widthNot specified
6/32
Sidewall styleBSW: Black Side Wall
72
B (4 Ply)
N/A
All Season
Vehicle typeTrailer
Road Hazard WarrantyNo
Treadlife warrantyNot specified
MPN599405BLK

FAQs

All tires sold on our site are brand new. We do not sell used, retreaded, or reconditioned tires.

All warranties are provided by the tire manufacturers. Priority Tire only offers a 90-day return policy for unused and unmounted tires.

Yes. All payments are processed over a secure, encrypted connection, and we never store your full credit card details on our servers.

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Shipping & Returns

View shipping options and return policies.

Shipping
  • Fast & Free Shipping in the 48 contiguous states
  • Same-day dispatch if ordered by 1 PM EST on business days
  • Delivery in 1–6 business days, depending on your location
  • Shipped from PA, TX, FL & other U.S. warehouses.
Returns
  • 90-Day Returns on unmounted, unused tires
  • Return shipping is the customer’s responsibility

Tires may ship separately and arrive on different days, even when ordered together.

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Why Choose Priority

Tire

Why Choose

Priority

Tire

20+

Years of experience

Our two decades of specialized knowledge ensure every customer receives professional guidance and high-quality products they can trust.

8M

Satisfied customers

With over 8 million satisfied customers across the nation, we’ve built a legacy of trust by delivering premium tires and exceptional service to drivers just like you.

20M+

Tires Available

Explore a massive inventory of over 20 million tires from top-tier brands, ensuring that no matter your vehicle or driving needs, we have the perfect set in stock and ready to ship.

25K+

Installers nationwide

Benefit from our nationwide network of over 25,000 certified local installers, making it easier than ever to have your new tires delivered and professionally mounted close to home.

Our two decades of specialized knowledge ensure every customer receives professional guidance and high-quality products they can trust.

With over 8 million satisfied customers across the nation, we’ve built a legacy of trust by delivering premium tires and exceptional service to drivers just like you.

Explore a massive inventory of over 20 million tires from top-tier brands, ensuring that no matter your vehicle or driving needs, we have the perfect set in stock and ready to ship.

Benefit from our nationwide network of over 25,000 certified local installers, making it easier than ever to have your new tires delivered and professionally mounted close to home.

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