I feel like that’s a way over simplification of the forces at work here. If that were the case then the tow vehicle would end up lighter with the trailer than without which does not happen. What a weight distribution hitch does is reduce the vertical pivot in the ball which allows tongue weight to be shared among all 3 axles however the rear axle of the tow vehicle still carries most of the tongue weight but all of the added weight to the vehicle is supported by the hitch still. There is no way to take a 1160 lb tongue weight and get the trailer axles to support 660 lbs of it. It would be cool to see someone test all of our theories with scales though


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