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Loadstar Tires 31218HD ST145/R12 Load Range E Trailer Tire with 5-Lug Modular Galvanized Rim

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

31218HD
07/13/2036 8:52 PM
Sale Price

$155.19

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

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Live-in-stock inventory

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Fitment guaranteed

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Product Details

The Loadstar 31218HD is a complete trailer tire and wheel assembly featuring an ST145/R12 special trailer (ST) tire mounted on a durable 5-lug modular galvanized steel rim. This assembly is designed specifically for trailer applications, offering reliable performance for utility trailers, boat trailers, and light cargo haulers.

Key Features:

  • ST145/R12 bias-ply special trailer tire construction for trailer-specific loads
  • Load Range E rating provides maximum load capacity for heavy-duty applications
  • 12-inch rim diameter with 5-lug bolt pattern for secure mounting
  • Galvanized steel modular wheel resists rust and corrosion
  • Pre-mounted and ready to install for immediate use
  • Bias-ply construction delivers stable tracking and durability

This tire and wheel combination is ideal for replacement or upgrade applications on trailers requiring Load Range E capacity. The galvanized finish provides long-lasting protection against the elements, making it suitable for both freshwater and light saltwater marine environments.

Products specifications

Max PSI

80

Width

145

Tread Depth

7.0

Ply Rating

10

Load Range

E

Load Capacity (LB)

1520

Measuring Rim Width

4.5

Overall Diameter

21.3

Rim Size

12.0

Sidewall Style

BLACK

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Easy options

Best product with best price only at THmotorsports.com

The carton for the unit looked as if the box gad sat in water for so.e time. But luckily did not effect the unit inside.

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Easy to order

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