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RubberMaster - R1 SG803

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RubberMaster R1 SG803 Tires

Farm - R-1/Rear Farm

The RubberMaster R1 SG803 is a reliable tire. This R1 tire provides enhanced traction, ensuring efficient operation. With its durable construction, it offers long-lasting performance and resistance to punctures. Experience improved stability and grip with the RubberMaster R1 SG803, contributing to increased productivity and reduced downtime.

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RubberMaster - R1 SG803

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From $61
Mileage Warranty

RubberMaster R1 SG803 23X8.50-12 C/6PLY

550010 RubberMaster R1 SG803 23X8.50-12 C/6PLY Tires

Rims Not Included

Lawn and Garden
Farm - R-1/Rear Farm

easy test score

7.9 Great

Per Tire:

$61.01

OR

$Loading /mo

Save $

Lightning Savings

Was $76.26

Strikethrough Pricing on Giga Tires

Our percentage-off promotions, discounts, or sale markdowns are customarily based on our own opinion of the value of this product, which is not intended to reflect a former price at which this product has sold in the recent past. This amount represents our opinion of the full retail value of this product today, based on our own assessment after considering a number of factors.

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$ /mo

Please contact customer support. (877) 709-4442

RubberMaster R1 SG803 23X10.50-12 C/6PLY

550040 RubberMaster R1 SG803 23X10.50-12 C/6PLY Tires

Rims Not Included

Lawn and Garden
Farm - R-1/Rear Farm

easy test score

7.9 Great

Per Tire:

$71.96

OR

$Loading /mo

Save $

Lightning Savings

Was $89.95

Strikethrough Pricing on Giga Tires

Our percentage-off promotions, discounts, or sale markdowns are customarily based on our own opinion of the value of this product, which is not intended to reflect a former price at which this product has sold in the recent past. This amount represents our opinion of the full retail value of this product today, based on our own assessment after considering a number of factors.

Estimated Delivery

Loading

Shipping

Loading

Total

Loading

OR

$ /mo

Please contact customer support. (877) 709-4442

Filter

Cross Section Width

23

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Aspect Ratio

10.50
8.50

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Wheel Diameter

12

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Farm (2)
Farm - R-1/Rear Farm (2)

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RubberMaster - EA-372A (1)
RubberMaster - F2 H8023 (1)
RubberMaster - Highway Rib H187 (4)
RubberMaster - Highway Rib S258 (1)
RubberMaster - Highway Rib T322 (1)
RubberMaster - Lawnguard RM16 (5)
RubberMaster - R1 S247 (1)
RubberMaster - R1 SG803 (2)
RubberMaster - Rib P508 (6)
RubberMaster - Rib QH641 (1)
RubberMaster - Rib S379 (3)
RubberMaster - RM76 (9)
RubberMaster - RM87 (1)
RubberMaster - S-Turf P332 (15)
RubberMaster - S-Turf S374 (1)
RubberMaster - S368 (P815) (4)
RubberMaster - S374H (1)
RubberMaster - S378 (P811) (7)
RubberMaster - S380 (P819) (2)
RubberMaster - Sawtooth P509 (1)
RubberMaster - Sawtooth P606 (4)
RubberMaster - SE-372A (1)
RubberMaster - SKS H8502 (1)
RubberMaster - Smooth P607 (3)
RubberMaster - Stud S356 (3)
RubberMaster - Turf P512 (1)
RubberMaster - Turf S365 (8)
RubberMaster - Turf S366 (2)
RubberMaster - Turf S366K (2)

107 (1)
93 (1)

Compare tires at a glance using our easy test score^® system. Our proprietary algorithm factors in performance, expert insights, user reviews, and Uniform Tire Quality Grading (UTQG) scores.

Four criteria factor into easy test score^®

Consumer reviews

Research based on customer reviews and buying behavior
Treadwear

The lifespan of a tire based on wear performance
Traction

The ability of a tire to grip to the road in wet conditions
Expert ratings

Input from veteran tire industry experts

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At Giga Tires, we’ve delivered unbeatable tire prices and service since 2014. With over 1 million tires sold, a #6 ranking in Newsweek’s America’s Best Online Shops for 2027, up from #9 in 2026, and 41K+ 5-star ratings, we offer over 45K+ products along with great promotions, discounts, and rebates. Enjoy fast shipping to your home or a local installer, with more than 1,000 installation centers nationwide Monro, Tire Choice, and Mr. Tire. Backed by a 45-day return policy, we make tire buying simple, reliable, and affordable. Headquartered in California, we proudly serve drivers across the continental US.

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