[Travler]

Originally Posted by Bill

It may increase the allowable load over and above what you could tow without a WDH. However, be aware that when a manufacturer specifies a tow rating in a list of specs, the spec usually includes a phrase like "when properly equipped". This usually means "when equipped with a WDH". In other words, the tow rating you see already includes the benefit of a WDH. If you decide to tow without a WDH, the tow rating may be smaller.

You need to look up and understand the specs for your particular vehicle. They are not all the same, and there is no universal rule regarding with/without WDH ratings.

There is a good discussion here, along with some specs for various Ford vehicles to illustrate the difference. You should be able to find something similar on any other vehicle manufacturer's web site.

https://www.fleet.ford.com/showroom/...oknowAug07.pdf

Bill

Thank you