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Tulga 2″ Fifth Wheel Kingpin – Heavy-Duty Weld-On

$89.99 on Amazon.com (as of October 14, 2026, 8:22 PM EST) View details ↗

Upgrade your trailer’s fifth wheel hitch with the **Tulga 2″ Forged Steel Kingpin**, built for heavy-duty performance and long-lasting durability. Crafted from **4140-grade steel** under strict **EU standards**, this kingpin delivers superior strength and precision fitment for any 2″ fifth wheel hitch. The **0.5″ bolster plate** ensures stability and load distribution, while **ECR 55 certification** guarantees compliance with industry safety requirements.

Ideal for semi-trailers, RV tows, and commercial applications, this weld-on kingpin is designed to handle rigorous use without compromise. Whether you’re hauling equipment, towing a camper, or operating in demanding environments, Tulga’s engineering ensures a secure, reliable connection every time. Compatible with all standard 2″ fifth wheel hitches, installation is straightforward—simply weld to your trailer frame for a permanent, high-strength solution.

Material4140-grade forged steel
Kingpin Diameter2″
Bolster Plate Thickness0.5″
CertificationECR 55 (EU standards)
CompatibilityAll 2″ fifth wheel hitches
Load RatingHeavy-duty (exact rating varies by application)
What makes this kingpin suitable for heavy-duty applications?
Its **4140-grade forged steel construction** and **ECR 55 certification** ensure high strength and compliance with rigorous industry standards, making it ideal for semi-trailers and commercial tows.
Is this kingpin compatible with all 2″ fifth wheel hitches?
Yes, the 2″ diameter fits standard 2″ fifth wheel hitches, ensuring universal compatibility for most trailers and RVs.
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