Trailer Tires Rims ST175/80D13 Review

The ST175/80D13 trailer tire is a 24-inch bias-ply model for 13-inch rims, with a 177mm section width, 80 aspect ratio, Load Range C, a 6-ply rating, and a 1,360-pound max load. It fits common 5-lug wheels on a 4.5-inch bolt circle, so replacement is simple. Its nylon cord construction and 6.5mm tread depth help stability, traction, and durability on light-duty towing, and more useful details follow.

Key Takeaways

• ST175/80D13 trailer tires fit 13-inch rims with a 5-lug, 4.5-inch bolt pattern.
• They measure about 24 inches tall and 177mm wide, offering stable trailer tracking.
• Load Range C and 6-ply rating support up to 1,360 pounds per tire.
• Bias-ply construction with nylon cords improves sidewall stiffness and durability.
• These tires suit light-duty towing, with reliable performance on rough roads and uneven terrain.

ST175/80D13 Trailer Tire Specs

The ST175/80D13 trailer tire is built around a practical set of specs that make it a solid fit for towing use. It measures 24 inches tall, with a 177mm section width, 80 aspect ratio, and 13-inch rim diameter.

The load range C, 6-ply rating, and 1,360-pound max load support steady tire performance, while the 6.5mm tread depth helps maintain grip. Its bias-ply, nylon-cord construction adds stiffness, and the all-season design supports towing safety across changing conditions.

With a J speed range, it gives you a straightforward, capable option for controlled hauling and freer movement.

ST175/80D13 Rim Fitment and 5-Lug Wheels

Wheel fitment matters here, because the ST175/80D13 is designed for a 13-inch rim with a 5-lug pattern on a 4.5-inch bolt circle, which gives it a common, practical setup for many trailers.

This rim compatibility helps narrow the search quickly, so the reader can choose wheels with less friction and more confidence. Standard 5-lug wheels in this size are widely available, and the right match keeps mounting simple.

For trailer owners who want freedom from guesswork, these wheel options support a cleaner setup, steadier alignment, and easier replacement when parts need to be sourced.

Load Range C Capacity for Towing

Capacity is where this ST175/80D13 setup becomes especially practical, because its Load Range C rating supports a maximum load of 1,360 lbs per tire, paired with a 6-ply rating for added strength.

This gives the trailer solid towing capacity for light to medium-duty use. The 13-inch rim, 5-lug on 4.5-inch pattern, and 177mm section width help keep load distribution balanced across the axle.

With an overall diameter of 24 inches and an all-season design, it supports steady hauling, and the weight rating helps the user move with more freedom and less compromise on the road.

Bias-Ply Construction and Ride Quality

Because it uses a bias-ply build, the ST175/80D13 trailer tire is designed with durable nylon cord layers laid in a crisscross pattern, which adds stiffness to the sidewall and helps the tire hold its shape under towing stress.

1. This 13-inch tire, Load Range C, supports controlled trailer movement.
2. The 6.5mm tread and 80-series profile help absorb chatter, so ride quality stays smoother.
3. The firm carcass can support tire longevity, even when roads feel rough.
4. Its stable construction also aids off road performance on uneven ground, giving the reader more freedom to tow with confidence.

Is the ST175/80D13 the Right Fit?

It carries a 6-ply rating, Load Range C, and a 1,360-pound max load, so it suits light-duty hauling with clear limits. The 24-inch diameter and 177mm width help steady tracking, while the 5-lug on 4.5-inch rim pattern supports common trailer setups.

For tire longevity, its nylon cord layers and crisscross construction add stiffness and durability.

In a performance comparison, it offers smoother ride quality and better uneven-terrain handling, giving users practical freedom on the road.

Frequently Asked Questions

How Often Should St175/80d13 Trailer Tires Be Inspected for Wear?

They should be inspected before every trip and monthly during storage, with tire maintenance including checking wear indicators, pressure, and damage. This protects towing freedom, supports safe journeys, and prevents unexpected failure.

What Torque Should 5-Lug 4.5-Inch Trailer Lug Nuts Have?

For 5-lug 4.5-inch trailer wheels, lug nut torque is typically 90–120 ft-lb, though the exact value should follow the wheel maker. Such trailer maintenance, discreetly essential, supports liberation through secure, confident towing.

Can These Tires Be Used for Highway Speeds Regularly?

Generally, they are not ideal for regular highway speeds. Their J speed ratings limit continuous high-speed use, so highway performance may be acceptable only within rated limits, with careful inflation, load management, and restraint.

How Should St175/80d13 Tires Be Stored During Off-Season Months?

They should be kept in tire storage, clean, dry, and shielded from sunlight, with slight inflation and no load. Off season maintenance favors a cool, free environment, letting the tires rest without restraint.

Do These Tires Require Inner Tubes or Are They Tubeless?

They are typically tubeless, so inner tubes are usually unnecessary. That simplifies tire maintenance and puncture repairs, while preserving freedom on the road. If a rim requires tubes, the wheel specification should be confirmed first.

Conclusion

In the ST175/80D13 trailer tire and rim setup, the specs are practical, with a 24-inch overall diameter, 177mm section width, 6.5mm tread depth, and a 5-lug on 4.5-inch wheel pattern. Load Range C and a 1,360-pound capacity make it a solid match for light-duty towing, while the bias-ply nylon construction adds stiffness and stability. For many trailers, it offers reliable performance, almost like a well-kept stagecoach wheel, in a modern towing package.