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Loadstar Tires 31987 ST185/80R-13 Radial Trailer Tire and Wheel Assembly 5-Lug Galvanized

Manufacturer

Loadstar Tires

<h3>About Loadstar Tires</h3><p>When it comes to keeping trailers safely rolling across North American roads, few names carry more recognition than <strong>Loadstar</strong>. A flagship brand of Kenda Americana Tire &amp; Wheel — the distribution arm of global tire manufacturer Kenda — Loadstar has spent more than 50 years earning its reputation as a go-to solution for towable trailer, utility, RV, marine, and agricultural applications. Whether you&rsquo;re hauling a boat to the lake, moving cargo on a utility trailer, or heading out for an extended RV trip, Loadstar products are engineered with the demands of the road firmly in mind.</p><h3>Engineering &amp; Heritage</h3><p>Loadstar tires are engineered, designed, and tested at the Kenda Technology Center in Akron, Ohio — a facility dedicated to pushing the performance and durability limits of trailer tires. Kenda Americana operates multiple large distribution centers across the United States, ensuring consistent availability and quality control from the point of manufacture through to delivery. This end-to-end oversight — spanning design, manufacturing, quality control, and distribution — is what sets Loadstar apart in the special trailer (ST) tire segment.</p><p>The brand&rsquo;s lineup includes both bias ply and radial construction tires built specifically for trailer use. Unlike passenger or light truck tires, Loadstar&rsquo;s ST-rated tires are constructed to handle the unique stresses of being towed — including side-load forces, heavy cargo weight, and extended highway speeds. Models like the K353, K364, K397, and K550 cover a wide range of trailer sizes and load requirements, from compact boat trailers to heavy-duty commercial haulers.</p><h3>Tires Built for the Trailer</h3><p>At the core of the Loadstar lineup are its <a href="/7439-loadstar-tires-tire-7636">trailer tires</a>, offered in a broad spectrum of sizes, load ranges, and construction types. Loadstar ST tires feature advanced rubber compounds designed to maximize tread life and reduce rolling resistance, while their bias ply construction creates a flexible yet load-tolerant sidewall that minimizes trailer sway during towing. All tires are manufactured to meet or exceed Department of Transportation (DOT) highway use requirements, giving trailer owners confidence on every journey.</p><h3>Wheels Matched to the Task</h3><p>Loadstar&rsquo;s approach to trailer safety doesn&rsquo;t stop at the tire. The brand also offers a comprehensive range of <a href="/7439-loadstar-tires-wheel-7644">trailer wheels</a> — including steel, galvanized, and aluminum options — designed to complement their tire lineup. From classic spoke-style steel wheels to premium aluminum designs like the Galvstar&trade; galvanized wheel, there&rsquo;s a Loadstar wheel to match virtually any trailer setup. Properly matching the right wheel to the tire and axle load rating is critical for safe towing, and Loadstar&rsquo;s coordinated tire-and-wheel system makes that process straightforward.</p><h3>A Trusted Partner Across Industries</h3><p>Loadstar products are found as original equipment on trailers from major manufacturers across the United States and Canada. Their reach extends across boat trailers, snowmobile trailers, RV towables, agricultural equipment trailers, and utility haulers — a testament to the brand&rsquo;s versatility and the trust that both OEM builders and end-users place in their performance. For anyone seeking reliable, purpose-built trailer tires and wheels backed by decades of industry experience, Loadstar remains a proven benchmark.</p>

Part Number

31987
06/01/2036 8:04 AM
Sale Price

$218.02

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

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Product Details

The Loadstar Tires 31987 is a complete ST185/80R-13 radial trailer tire and wheel assembly designed for reliable performance on utility trailers, boat trailers, and cargo trailers. This pre-mounted assembly features a durable radial tire on a 13-inch galvanized steel wheel with a classic 5-hole spoke design, ready to install right out of the box.

Key Features:

  • ST185/80R-13 radial trailer tire for smooth towing and reduced heat buildup
  • Load Range C construction with 6-ply rating for enhanced durability and load capacity
  • 5-hole bolt pattern galvanized steel spoke wheel resists rust and corrosion
  • Pre-mounted and balanced assembly saves time and installation effort
  • 13-inch rim diameter fits standard trailer hubs
  • Radial construction provides improved fuel economy and longer tread life compared to bias ply tires

This trailer tire and wheel combination is specifically designed for Special Trailer (ST) service and should not be used on passenger vehicles or drive axles. The galvanized finish on the wheel provides long-lasting protection against the elements, making it ideal for trailers exposed to various weather conditions and road environments.

Products specifications

Aspect Ratio

80

Rim Size

13

Section

185

Load Capacity (LB)

1480

Sidewall Style

BLACK

Overall Diameter

24.8

Width

185

Max PSI

50

Ply Rating

6

Measuring Rim Width

5.5

Load Range

C

The price is good, easy to fill out the required information, I hope the shipping is fast, paid for 2 days over night, need the part now.

Quick and easy! Thanks!

Well, we certainly hope the part that arrives (promptly)and will work well. And, the part arrived very promptly and worked perfectly.

Really easy and fast

Good experience

Simple to order!

good prices and amazon checkout a plus

Quick and easy! the best!

Great price and super fast shipping!!<br>Will be back!!!

Fast shipment ! Can't wait for my new exhaust !

Authentic, hard to find item listed for the least expensive price online! Good customer service and fast shipping time!!

I only gave them a 3 star raring on their shipping because I went on their site on Tuesday and the order said it had not been shipped. On Wednesday I received my shipment. The left hand needs to figure out what the right hand is doing. Other than that, GREAT

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