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.
| Material | 4140-grade forged steel |
|---|---|
| Kingpin Diameter | 2″ |
| Bolster Plate Thickness | 0.5″ |
| Certification | ECR 55 (EU standards) |
| Compatibility | All 2″ fifth wheel hitches |
| Load Rating | Heavy-duty (exact rating varies by application) |






