The Andersen 4" No Sway Drop Hitch AN3350-AU-X is designed for under slung coupling - As Shown here
Andersen 4" Drop No Sway Weight Distribution Hitch AN3350-AU-X
This model is designed for vans with an under slung coupling. Ie where the coupling is lower than top of drawbar or level with the base of drawbar.
NOTE: Currently the Andersen Weight Distribution Hitch is ONLY Compatible with 50mm Fixed Head Couplings
It’s the simplest, quietest and most advanced weight distribution hitch on the road today.
Andersen's silent, 'No-Sway,' 'No-Bounce' Weight Distribution Hitch doesn't just raise the bar, it sets it! Combining modern materials, technology and innovation, it’s the simplest, quietest, and most advanced weight distribution hitch on the road today. This is a first in the industry giving trailer owners the best anti-sway option AND the only true Motion-Dampening system (anti-bounce) around. Owners can't believe how smooth and quiet the ride is!
Look at these advantages: