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Old 10-21-2015, 04:10 PM   #11
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Originally Posted by charles_cincy View Post
Does a WDH really change the capacity of the receiver?
It most certainly DOES.

Every receiver has a a Weight Distribution and Weight Carrying Limit on both the Trailer Weight and Tongue Weight. Even my Class V 2.5" recevier has both limits stamped right on the receiver.

I am not an engineer and WD gets contentious with some saying it does change the TW and others saying it doesn't. My basic understanding it that the latteral force created by the WD affects how the TW impacts the the receivers attachement points to the vehicle.
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Old 10-21-2015, 04:20 PM   #12
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Originally Posted by clubhouse View Post
It most certainly DOES. Every receiver has a a Weight Distribution and Weight Carrying Limit on both the Trailer Weight and Toungue Weight. Even my Class V 2.5" recevier has both limits stamped right on the receiver.
Does it? I understand that it changes the rating...

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Originally Posted by clubhouse View Post
Weight Carrying -MAX- 5000lbs trailer & 600Lbs Tongue Weight
Weight Distribution - MAX- 10000Lbs Trailer & 1000 Lbs Tongue Weight
Exceeding that receiver might not hurt the truck, because it will break off well before that.
This is what I question. I wouldn't expect the receiver to fail unless TW was north of 10000#/1000#. Regardless of rather or not you had a WDH.

I would expect running 1000# TW without a WDH to do all kinds of bad things to the steering, rear suspension, RAWR...

Thus the reason for the different ratings, not that the receiver is somehow "stronger" if you will with a WDH.
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Old 10-21-2015, 04:26 PM   #13
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I guess if you want test it that is perfectly fine by me, I don't want to.

Again, I am not an engineer, and don't fully appreciate the math -- but as I understand it when WD is engaged it produces two forces. A lateral force the distributes weght forward through the vehicles frame as well the spring bars create an upward force at the hitch ball which allows a higher weight rating of the receiver.

Maybe someone much smarter than I can confirm my understanding or prove it incorrect. Personally I don't care, I am well with in my wieght limits being GVWR, GCVWR, GAWR, Receiver WR, etc.
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Old 10-21-2015, 04:34 PM   #14
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From Reese --

Trailer Hitches, Hitch Accessories, Hitch Wiring

Weight Distributing Hitches

Rather than merely supporting the trailer tongue weight (TW), weight-distributing hitches apply leverage between the towing vehicle and trailer causing the TW to be carried by all axles of the tow vehicle and trailer.

When TW is distributed in this way trailers with greater TWs can be towed, resulting in a more level ride which reduces stress on the rear of the tow vehicle and provides greater steering and brake control.


I trust they know more than I do
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