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RubberMaster S368 ST 18.5X8.50-8 78M C (6 Ply)
RubberMaster S368 ST 18.5X8.50-8 78M C (6 Ply)
RubberMaster S368 ST 18.5X8.50-8 78M C (6 Ply)
RubberMaster S368 ST 18.5X8.50-8 78M C (6 Ply)
RubberMaster S368 ST 18.5X8.50-8 78M C (6 Ply)
RubberMaster
RubberMaster S368 ST 18.5X8.50-8 78M C (6 Ply)
RubberMaster S368 ST 18.5X8.50-8 78M C (6 Ply)
RubberMaster S368 ST 18.5X8.50-8 78M C (6 Ply)
RubberMaster S368 ST 18.5X8.50-8 78M C (6 Ply)
RubberMaster S368 ST 18.5X8.50-8 78M C (6 Ply)

* Rim not included

* Tread pattern & sidewall design may vary from pictures

RubberMaster S368 ST 18.5X8.50-8 78M C (6 Ply)

0/5

0

reviews

Trailer

Highway

Not sure if this tire is the right match?

Check compatibility here


$56.99

/ per tire

low monthly payments available with financing

Quantity:

Finance Options

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applePay logo
googlePay logo
paypal logo
americanExpress logo
venmo logo
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Delivery Options

Ship to Installer

1K+ locations across U.S.

Ship to Address

Free 2-7 day delivery

Mobile Install

Same-week appointments
* Delivery information is estimated. For more precise info - Enter your ZIP code

* Rim not included, tread pattern & sidewall design may vary.

RubberMaster S368 ST 18.5X8.50-8 78M C (6 Ply)

0/5

0

reviews

Trailer

Highway


$56.99

/ per tire

low monthly payments available with financing

Quantity:

Finance Options

visa logo
mastercard logo
applePay logo
googlePay logo
paypal logo
americanExpress logo
venmo logo
discoverCard logo

Delivery Options

Ship to Installer

1K+ locations across U.S.

Ship to Address

Free 2-7 day delivery

Mobile Install

Same-week appointments
* Delivery information is estimated. For more precise info - Enter your ZIP code

Free Shipping


Fast Delivery


90-Day Returns


Best price guarantee

Free Shipping


90-Day Returns


Best price guarantee


Fast Delivery

BETTER DEAL

COMPATIBILITY

TIRE DETAILS

REVIEW/QUESTIONS

SHIPPING & RETURNS

BETTER DEAL

COMPATIBILITY

TIRE DETAILS

REVIEW/QUESTIONS

SHIPPING & RETURNS

Lower Price

We Found a Better Deal For You!

Get Forerunner QH503 ST 18.5X8.50-8 C (6 Ply) with similar specifications for better value!

Get the same specification tire for a better price!

Save$28.24for aBetter Value!BetterValue!

* for a full set of 4

Forerunner QH503 ST 18.5X8.50-8 C (6 Ply) saves you $7.06 per tire and $28.24 for a full set of 4.

Better Value
Forerunner QH503 ST 18.5X8.50-8 C (6 Ply)

4.9/5

23

Forerunner QH503 ST 18.5X8.50-8 C (6 Ply)


Vehicle Type

Trailer

Performance

N/A

Speed Rating

N/A


$49.93

/ per tire

RubberMaster S368

0/5

0

RubberMaster S368 ST 18.5X8.50-8 78M C (6 Ply)


Vehicle Type

Trailer

Performance

Highway

Speed Rating

78M


$56.99

/ per tire

RubberMaster S368 18.5X8.50-8

All Season

Trailer

Highway

The RubberMaster S368 is a highway terrain, all season tire made for trailers. This model should not be mounted on light trucks. The ideal tread pattern and the all season compound enhance the tire's traction in dry, wet, and winter weather conditions. The optimized grooves on the tread area prevent hydroplaning in wet situations. The model offers excellent controllability and towing stability, thanks to the ribbed tread pattern that maintains continuous surface contact. The strengthened internal structure and the special silica compound increase the RubberMaster S368's load and driving durability.

Enhanced controllability


Increased load durability


All season traction

FEATURES

AVAILABLE SIZES

The flat ribbed footprint closely follows the road throughout the drive. This effectively improves its steering responsiveness and towing stability. It results in quick and precise steering responses, as well as a secured structure. Cornering is upgraded with shoulder ribs that provide additional biting edges.

Better dry, wet, and light winter grip is offered with the detailed tread design and the all season compound. Stronger rubber materials keep the tire pliable throughout the year, optimizing its summer and winter performance. Additionally, the tread’s sipes create biting edges, upgrading its road grip. Grooves combat hydroplaning in wet conditions. They channel water and slush from the footprint, increasing its wet grip.

This tire features a robust structure that does not deform under load and driving pressure. As the tire does not deform, it is able to securely carry and withstand heavy loads. This optimizes the tire’s overall load durability, optimizing its heavy-duty applications.

Attention! Due to the size of the tires, Packages might be SEPARATED in the courier facility and not be DELIVERED on the SAME DAY, even though we do ship them together. Tracking information can be checked by logging on to the courier website with the master tracking number you will receive via email. For example, you can receive 3 tires in one day and the 4th one the next day or the day after, or one tire in one day and the second one day after. We understand that this is a big inconvenience for our buyers, however, this is ABSOLUTELY out of our control.

This specific tire model features a BIASED ply construction.

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.

Tire size18.5X8.50-8Section width8.50
Aspect ratioN/ARim diameter8 inches
Overall diameter18.5 inchesTread Depth8/32
Approved rim widthNot specifiedSidewall styleBSW: Black Side Wall
Load index78Load rangeC (6 Ply)
Speed rating78MUTQGN/A
BrandRubberMasterModelS368
SKUN1077886-99MPN489020
SeasonAll SeasonPerformanceHighway
Vehicle typeTrailerRun flatNo
Country of OriginIndonesiaTreadlife warranty
Tire size18.5X8.50-8
Section width8.50
Aspect ratioN/A
Rim diameter8 inches
Overall diameter18.5 inches
Tread Depth8/32
Approved rim widthNot specified
Sidewall styleBSW: Black Side Wall
Load index78
Load rangeC (6 Ply)
Speed rating78M
UTQGN/A
BrandRubberMaster
ModelS368
SKUN1077886-99
MPN489020
SeasonAll Season
PerformanceHighway
Vehicle typeTrailer
Run flatNo
Country of OriginIndonesia
Treadlife warranty

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.

Shipping Info
RubberMaster S368

0/5

0

RubberMaster S368 ST 18.5X8.50-8 78M C (6 Ply)

18.5X8.50-8 • All Season

Vehicle Type

Trailer

Performance

Highway

Speed Rating

78M


$56.99

/ per tire

Lower Price

We Found a Better Deal For You!

Get Forerunner QH503 ST 18.5X8.50-8 C (6 Ply) with similar specifications for better value!

Get the same specification tire for a better price!

Save$28.24for aBetter Value!BetterValue!

* for a full set of 4

Forerunner QH503 ST 18.5X8.50-8 C (6 Ply) saves you $7.06 per tire and $28.24 for a full set of 4.

Better Value
Forerunner QH503 ST 18.5X8.50-8 C (6 Ply)

4.9/5

23

Forerunner QH503 ST 18.5X8.50-8 C (6 Ply)


Vehicle Type

Trailer

Performance

N/A

Speed Rating

N/A


$49.93

/ per tire

RubberMaster S368

0/5

0

RubberMaster S368 ST 18.5X8.50-8 78M C (6 Ply)


Vehicle Type

Trailer

Performance

Highway

Speed Rating

78M


$56.99

/ per tire

RubberMaster S368 18.5X8.50-8

All Season

Trailer

Highway

The RubberMaster S368 is a highway terrain, all season tire made for trailers. This model should not be mounted on light trucks. The ideal tread pattern and the all season compound enhance the tire's traction in dry, wet, and winter weather conditions. The optimized grooves on the tread area prevent hydroplaning in wet situations. The model offers excellent controllability and towing stability, thanks to the ribbed tread pattern that maintains continuous surface contact. The strengthened internal structure and the special silica compound increase the RubberMaster S368's load and driving durability.

Enhanced controllability


Increased load durability


All season traction

FEATURES

AVAILABLE SIZES

The flat ribbed footprint closely follows the road throughout the drive. This effectively improves its steering responsiveness and towing stability. It results in quick and precise steering responses, as well as a secured structure. Cornering is upgraded with shoulder ribs that provide additional biting edges.

Better dry, wet, and light winter grip is offered with the detailed tread design and the all season compound. Stronger rubber materials keep the tire pliable throughout the year, optimizing its summer and winter performance. Additionally, the tread’s sipes create biting edges, upgrading its road grip. Grooves combat hydroplaning in wet conditions. They channel water and slush from the footprint, increasing its wet grip.

This tire features a robust structure that does not deform under load and driving pressure. As the tire does not deform, it is able to securely carry and withstand heavy loads. This optimizes the tire’s overall load durability, optimizing its heavy-duty applications.

Attention! Due to the size of the tires, Packages might be SEPARATED in the courier facility and not be DELIVERED on the SAME DAY, even though we do ship them together. Tracking information can be checked by logging on to the courier website with the master tracking number you will receive via email. For example, you can receive 3 tires in one day and the 4th one the next day or the day after, or one tire in one day and the second one day after. We understand that this is a big inconvenience for our buyers, however, this is ABSOLUTELY out of our control.

This specific tire model features a BIASED ply construction.

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.

Tire size18.5X8.50-8Section width8.50
Aspect ratioN/ARim diameter8 inches
Overall diameter18.5 inchesTread Depth8/32
Approved rim widthNot specifiedSidewall styleBSW: Black Side Wall
Load index78Load rangeC (6 Ply)
Speed rating78MUTQGN/A
BrandRubberMasterModelS368
SKUN1077886-99MPN489020
SeasonAll SeasonPerformanceHighway
Vehicle typeTrailerRun flatNo
Country of OriginIndonesiaTreadlife warranty
Tire size18.5X8.50-8
Section width8.50
Aspect ratioN/A
Rim diameter8 inches
Overall diameter18.5 inches
Tread Depth8/32
Approved rim widthNot specified
Sidewall styleBSW: Black Side Wall
Load index78
Load rangeC (6 Ply)
Speed rating78M
UTQGN/A
BrandRubberMaster
ModelS368
SKUN1077886-99
MPN489020
SeasonAll Season
PerformanceHighway
Vehicle typeTrailer
Run flatNo
Country of OriginIndonesia
Treadlife warranty

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.

Shipping Info