Premium Adjustable Coupler Connector for Semi-Trailers

Heavy-Duty Construction
High-grade forged steel with zinc-plated finish ensures superior corrosion resistance and long-term durability under extreme loads.
Precision Engineering
Laser-cut components with CNC-machined threading for flawless fitment, eliminating play and vibration during operation.
Versatile Adjustability
360° swivel design with 12-position torque settings adapts to varied hitch angles (0-45°), ideal for uneven terrain or tight maneuvers.
Safety Optimized
Integral shear pin slot and reinforced torque arm prevent accidental decoupling, exceeding DOT 49 CFR 393.70 standards.
Universal Compatibility
Fits 2.5" kingpins on most gooseneck trailers, fifth wheels, and heavy-haul rigs. Includes self-lubricating bronze bushings for silent towing.
Bulk Purchase Advantage
Direct-from-factory pricing with MOQ discounts – we supply fleets, repair depots, and OEMs globally.
Applications
Logistics flatbeds | Construction equipment hauling | Agricultural lowboys | RV towing systems