B&W CONTINUUM™ Weight Distribution Hitch – WDHK4515

Extended Drop | 2.5” Shank | 2-5/16” Ball | Underslung Coupler

Upgrade your towing setup with the B&W CONTINUUM™ WDHK4515, an advanced weight distribution hitch designed for maximum control, safety, and towing comfort. This kit is purpose-built for trailers with underslung (bottom-mount) couplers and offers an extended drop to accommodate vehicles with higher receivers.

Key Features

• Extended Drop Design: The head unit (WDHH4514) offers additional drop, making it ideal for taller trucks or trailers where higher clearance is needed.

• 2.5” Heavy-Duty Shank: Built for larger tow vehicles that require a sturdy receiver.

• 2-5/16” Hitch Ball: Factory-installed and ready for standard trailer connections.

• Continuum™ Load Bar Technology: Uses composite load bars instead of traditional steel, providing smoother flex, quieter operation, and reliable weight balancing.

• Hydraulic Pump System: Easily adjust weight transfer from the rear to the front axle by pumping the handle—no need to unhook or re-tension.

• Continuous Friction-Based Sway Control: Maintains consistent resistance to sway, enhancing towing stability on highways and windy roads

• Single-Pivot Head: Reduces noise and wear points during use.

• Simple Load & Unload: Load the bars by pumping until the desired weight is restored; unload by twisting the needle valve knob.

• Built for Underslung Trailers: Load bar unit WDHL4511 is specifically designed to work with underslung coupler configurations.

• Made in the USA: Constructed with high-strength steel and backed by B&W’s limited-lifetime warranty.

Why Choose the WDHK4515?

The WDHK4515 is ideal for tow vehicles and trailers that require extra drop and need a high-capacity, stable towing solution. Its Continuum™ system ensures a smooth, balanced ride without the clunk and harshness associated with conventional spring-bar hitches. Whether you’re hauling a heavy travel trailer, cargo, or equipment, this hitch gives you better braking, handling, and long-term control.

What’s Included

• Continuum™ Head Assembly (WDHH4514)

• Load Bar Unit (WDHL4511) for underslung couplers

• 2-5/16” Hitch Ball (installed)

• 2.5” Shank

• Mounting hardware and installation instructions

Ideal For:

• Trailers with bottom-mount / underslung couplers

• Trucks or SUVs with 2.5” receiver hitches

• Heavy-duty towing applications where extra drop is required

• Drivers seeking superior sway control and towing comfort