Check your owners manual and the Fleet Ford towing guide. They will tell you what your truck is rated for both with a wdh and without. We have the equivalent Excursion and use a wdh with a smaller trailer. I would think you would need one.
We have the Equalizer and experience 0 sway even when big rigs pass us. We do not disconnect when backing up. I sure hope we weren't supposed to!!
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2016 Jay Feather X254
2001 Ford Excursion 6.8L V10 4.30's
Equal-i-zer 1000/10,000 WDH
Previous TV: 2004 Ford Exedition w/ heavy duty tow package[/COLOR]