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Sidasu 5th Wheel to Gooseneck Adapter – 30,000 lbs

$109.99 on Amazon.com (as of October 15, 2026, 6:20 AM EST) View details ↗

The **Sidasu 5th Wheel to Gooseneck Adapter** is a rugged, high-capacity solution designed for semi-tractor trailers and fifth-wheel gooseneck setups linked to pickup trucks. Built from **high-quality alloy steel** and coated with a durable **black waterproof powder finish**, this adapter resists rust, wear, and harsh weather—including headwinds, rain, snow, and sleet—ensuring long-term reliability for demanding applications.

With a **trustworthy 30,000 lb load capacity**, this adapter delivers the strength needed for heavy-duty towing while maintaining safety and stability on the road. The **18-inch extra-long wall tube** ensures seamless compatibility with standard gooseneck trailer coupler tubes, allowing for quick and effortless switching by simply replacing accessories and the connection pin. Precision-engineered to **2″ industry standards**, it meets all over-the-road requirements for professional and commercial use.

Load Capacity30,000 lbs
MaterialAlloy steel with black waterproof powder coating
Wall Tube Length18″
CompatibilityStandard gooseneck trailer coupler tubes (2″)
Primary UseSemi-tractor trailers & fifth-wheel gooseneck tow trailers
Weather ResistanceRust-proof, wear-resistant (headwind, rain, snow, sleet)
Is this adapter compatible with all standard gooseneck trailers?
Yes, the 18-inch wall tube and 2″ design conform to industry benchmarks for over-the-road applications, ensuring compatibility with most standard gooseneck trailers.
How does the weatherproof coating protect against rust?
The black waterproof powder coating on the alloy steel surface provides a durable barrier against moisture, corrosion, and extreme conditions like rain, snow, and sleet.
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