Thanks. Over inflating airbags as a last ditch option. Noted.
Mechanical RGN Neck came off 6X6
Discussion in 'Heavy Haul Trucking Forum' started by AFC, Oct 15, 2025.
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A shim is a piece of steel used to take up loose areas at the neck and also some types of pin-on axles.
Shims are used in pairs and usually carried in different thicknesses.
Last edited: Oct 17, 2025
cke, Landincoldfire, Feedman and 2 others Thank this. -
every trailer is different, set the neck down and measure the gap about 2 inches in from the back.
That will tell you the maximum thickness of your shims, then get some pieces of steel plate in smaller thicknesses so you can shim as needed.
If your pin-on axle has top slop you can do the same, I found a welder that built me some shims that started with a 3X3X1/2 to set in the gap with a drop in shim set.Feedman, MACK E-6, Oxbow and 1 other person Thank this. -
I will look into this. I'm stuck pretty bad today. I had to tow my truck because my radiator blew up. So now I'm throwing more money at a truck that no longer fits the type of trailer I'm hauling. Man this is a tough day. And yes I will be getting royally screwed on pricing with the only repair option available today: Loves at the Oklahoma Texas border. Grateful but ####.
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