Can a Unibody Vehicle Use Weight Distribution or Sway Control?
Question:
Whats the physics with a unibody and weight distribution hitches? Im getting mixed messages.
asked by: Michael S
Expert Reply:
This is a great question. I called my contact at Progress Manufacturing (creator of Equalizer and FastWay Weight Distribution products) to pick his brain on this topic. He explained that weight distribution (WD) and sway control products rely on leverage to work properly, which requires the body of the vehicle to be rigid enough to withstand the force. Unibody vehicles are typically not as strong or rigid and therefore cannot typically handle the same loads and stresses of a body-on-frame or ladder-style frame vehicle when it comes to towing and using WD or sway control.
The unibody structure is popular because it helps reduce weight and improves ride quality and fuel economy. So, it's not going anywhere. Engineering and material capabilities continue to improve each year, and unibody vehicles continue to improve. We've seen this with some vehicle manufacturers whose first unibody designs were not able to use WD, but later models are now rated for use with WD.
So, to determine a particular vehicle or model year's compatibility with WD or sway control, the best thing to do is consult the specifications in the the owner's manual or contact the dealer or vehicle manufacturer directly.
I've provided a link to our FAQ article on WD and to a video of WD in action. Also check out the product page for Equalizer's 4 point Sway Control WD system, part # EQ37060ET for some great info.
Product Page this Question was Asked From
Equal-i-zer Weight Distribution System w/ 4-Point Sway Control - 6,000 lbs GTW, 600 lbs TW
- Weight Distribution Hitch
- WD With Sway Control
- Some Sway
- Includes Shank
- Electric Brake Compatible
- Surge Brake Compatible
- Fits 2 Inch Hitch
- Allows Backing Up
- 400 lbs
- 500 lbs
- Equal-i-zer
more information >
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