The B&W WDHH4500 is the Head Unit only for the Continuum Weight Distribution Hitch for standard coupler with 2″ shank and 2-5/16″ ball.
Features of the Complete Continuum Weight Distribution Hitch
• Immediate and continuous friction sway prevention
• Single pivot point eliminates noise and wear points
• Preset head angle works for every setup
• Setup is all done on the driver’s side
• Load the bars by pumping the handle until desired weight is transferred to the front axle
• Pressure gauge to ensure a repeatable setup
• Unload the bars by simply twisting the needle valve knob
• Composite bars are lighter weight and 5 times more flexible than steel, but with similar strength
• Tapered composite spring bars made with LITEFLEX technology by Hendrickson
• Covers 600 – 1,600-lb. tongue weight
• For Standard Coupler above frame or less than 2.5″ below frame
• 2″ shank and 2-5/16″ hitch ball
NOTE: This item number is for the Head Unit Only. The complete Weight Distribution Hitch (item #145187) also includes the Load Bar Unit (item #145185).
Before You Order
Check that you need the Continuum head unit only and already have or plan to obtain the separate load bar unit; verify your straight coupler setup uses the listed 2-inch shank and 2-5/16-inch ball.
Frequently Asked Questions
What components are included with WDHH4500?
This item is the head unit only; the description says the complete hitch also includes a separately listed load bar unit.
What shank and ball sizes are specified?
The source lists a 2-inch shank and a 2-5/16-inch hitch ball for a standard straight trailer coupler.




