ShadowsPapa
Well-Known Member
- First Name
- Bill
- Joined
- Oct 12, 2019
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- 180
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- 29,591
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- 35,201
- Location
- Runnells, Iowa
- Vehicle(s)
- '22 JTO, '23 JLU, '82 SX4, '73 P. Cardin Javelin
- Occupation
- Retired auto mechanic, frmr gov't ntwrk security admin
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- 3
With many dual axle trailers - depending on their suspension design, dropping the hitch down decreases tongue weight.Dropping the hitch ball was to try to increase the effective tongue weight,
Raising the front of the trailer would increase tongue weight as it takes weight off the front axle of the trailer and puts it on the tow vehicle.
It's the opposite with a single axle trailer - dropping the hitch on a single axle moves more effective weight forward.
Think of it this way - trailer level, both axles carry the same weight (in the most simplistic view)
Raise the front of the trailer, you lift the front axle weight off and transfer the weight of the trailer to the truck.
You should always tow with a twin axle trailer as close to perfectly level as you can.
I tow 5,000 pounds with 500 pound tongue weight when my trailer is totally level - as measured with an actual 8' level.
It's going to depend on the type of suspension under the trailer, of course!
Here's the results of his testing - real world stuff -
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