Weight Distribution System Needed to Pull a 6,615 lb Trailer with a Ford F-150  

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There are a few variables that need to be added together to determine the correct weight distribution (WD) system for any towing setup. First of all you need to find the tongue weight (TW) of your loaded trailer. When loaded properly, the TW of a trailer should be 10-15% of the loaded weight of the trailer. You can find this with a TW scale like part # e99044 or one of the methods in the linked article.

Once your loaded TW is known you then need to add the weight of any cargo that will be sitting behind the rear axle of your F-150. Together this is known as total tongue weight (TTW). The ideal WD system will have a TW range that your TTW falls in the middle of.

If 6,615 lbs is the weight of your trailer when it is fully loaded then that would mean your TW should be 660 lbs - 992 lbs. The Pro Series RB3 # PS49582 with a 750 lb max TW may not be enough if you are at the higher end. If you are at the higher end I recommend going with the Reese # RP66542 which has a max TW of 1,200 lbs.

Typically when someone is looking into using a WD system they want sway control with it. If you like the Curt Weight Distribution systems then the part you would want is # C17062 which includes the friction sway control unit.

The only problem with a friction sway control unit is that you have to disconnect it when you are backing up. If this is something that you don't want to deal with then I recommend the Fastway e2 # FA92-00-1200 which has the sway control built-in to the unit. To complete this towing setup you would also need a hitch ball like the part # A-90 or # 19286. For this unit it is easier to use a thin-walled socket like part # EQ70-00-4800 for the hitch ball installation.

I have linked some review videos in addition to some helpful articles for you to check out.

expert reply by: Jon G

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