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4.6
4.6
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RubberMaster Rib S379 3.50-8 A/2PLY

RubberMaster Logo
Rims Not Included
easy test score
7.8 Great

Confirm that my tire will fit

14.59

Availability

In Stock

Per Tire:

$14.59

Early Deals

Was $18.24

Estimated Delivery

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Shipping Cost

Free

Total

$58.36

Authorized distributor of

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Local installation

Local installation

1,000s of locations

Customer Reviews
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US based customer support

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About the Manufacturer:

RubberMaster Logo

RubberMaster, founded in 1955 in Germany, is a specialist in heavy-duty and industrial tire solutions. Operating in over 60 countries, RubberMaster is renowned for its exceptionally durable and reliable tires, offering robust performance, extended wear life, and superior load-bearing capabilities for agricultural machinery, construction vehicles, and commercial trucks. RubberMaster is the exclusive OE tire supplier for several leading European agricultural tractor manufacturers, a partnership that underscores its reputation for quality and resilience in demanding applications.

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Specifications

Specs

Value

Description

Sidewall

Not Available

Describes the sidewall appearance. Examples: BSW= Black Side Wall, WSW = White Side Wall, OWL = Outlined White Letters.

Load Index

34

The load index (LI) is a 2- or 3-digit number that correlates to the maximum amount of weight the tire can carry. For example, a tire with a load index of 87 indicates that the tire can carry a maximum load of 1,201 lbs. In this particularl ... Read More

Speed Rating
A guide to buying tires

A6

Speed rating (SR) indicates the maximum speed the tire can achieve. Higher speed ratings are typically associated with better handling capabilities. Refer to your vehicle owner's manual for the recommended minimum speed rating.

Load Range/Ply Rating
Types of tires

A/2PLY

Ply rating, more commonly referred to as load range, represents the strength and durability of the tire. Higher ratings may indicate your tires can handle heavier loads.

UTQG

Not Available

To help consumers evaluate their tires, the U.S. National Highway Traffic Safety Administration (NHTSA) created the Uniform Tire Quality Grading System (UTQG). The UTQG rates tires are rated on their tread-wear, traction performance, and te ... Read More

Max Single Load(lbs)

265

The maximum load this tire will support. Remember to multiply this number by the number of tires installed on your vehicle to get the maximum carrying capacity. This number is directly related to the Load Index.

Max Single Air Pressure(PSI)

30

The maximum air pressure this tire will support. This does not represent the amount of air pressure your tires should have at all times. Consult with your owner's manual to determine the best air pressure you should use for your vehicle.

Tread Depth

2.0

The amount of tread on the tire. Once the tire is worn to 2/32nds, it is considered fully used and should be replaced at that time. Most tires will have tire indicators in the grooves of the tire to help you determine when the tires are wor ... Read More

Tread Design

Nondirectional

The pattern of the grooves, lugs, voids, and sipes on a tire's surface. This design affects the tire's traction, handling, and noise characteristics. Common types include symmetrical (uniform pattern across the tire), asymmetrical (differen ... Read More

Rim Width Range

Not Available

The approved wheel rim width range this tire will support.

Measured Rim Width

Not Available

The recommended wheel width as recommended by the tire manufacturer to get the best wear us performance for this tire.

Section Width

3.5

The measurement from sidewall to sidewall.

Tread Width

Not Available

The measurement from one side of the tread to the other side of the tread.

Overall Diameter

14.8

The height of the tire when fully inflated.

Manufacturer Part Number

450200

Manufacturer part number (sku)

Reviews

4.2
Out of 5.0
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Overall Rating
67%
of customers that
buy this product give
it a 4 or 5-Star rating.
Verified Buyer
“Great price”
November 8, 2025 by Shane H. (IN, United States)
“Great price and FAST shipping!!”
Verified Buyer
“Great ”
October 30, 2025 by John B. (NY, United States)
“super fast shipping”
Verified Buyer
“Great buy”
August 30, 2025 by Alaina S. (NE, United States)
“Very worth it they look great”