Weighing tongue weight

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Fishspike

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May 24, 2021
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Wi
Hey how do you weigh tongue weight. Weigh station. Flying J? I would guess there is a tongue scale some where.


On weighing your trailer at a place like Flying J. Do you just drive up unhook and say now Weigh? I just don’t know the process.
 

donn

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Nov 8, 2009
Posts
5,033
Find a DOT highway scale that is not open. You can spend as much time as you need.
Start by making sure your TV and trailer are loaded ready to camp. Weigh both together. Drop the trailer on the scale, weigh it. Pull the trailer off, unhitch and weigh the truck. You now have everything you need to know.
 
Last edited:

Fishspike

Active member
Joined
May 24, 2021
Posts
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Location
Wi
Thanks to both of you. Didn’t know scales we working when closed. Makes sense now
 

Kirk

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Oct 30, 2005
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Full-time , Escapee
In Oregon the scales are working when not open but not true in most other states. Here is another way to do this, from Curt towing equipment website:


Measuring_Tongue_Weight_with_Bathroom_Scale.jpg


  • Park on a level surface.

    To begin, make sure your trailer is parked on level ground and the wheels are chocked.
  • Lay a 2x4 stud on the ground.
    Position a 2x4 or other sturdy board on the ground, directly below the trailer tongue. The board must be at least 3-1/2 feet long.
  • Position a bathroom scale at one end and a block at the other.
    Place the bathroom scale roughly 2 feet from the trailer tongue, and a block or brick about 1 foot from the trailer tongue. Protect the bathroom scale with a small piece of plywood on top.
  • Center the stud on two pipes.
    Insert two horizontal pipes -- one in the center of the bathroom scale and one in the center of the block.
    Measure the distance from the trailer tongue. Make sure the pipe on the scale is 2 feet from the center of the tongue, and the pipe on the block is 1 foot from the tongue.
  • Rest the trailer tongue on a vertical pipe.
    Position a pipe vertically under the trailer tongue, and lower the trailer jack until the coupler is fully resting on the pipe.
  • Read the scale and multiple by 3.
    Take an initial reading from the scale bathroom scale, and multiple it by 3. This is the tongue weight.
 
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