Wobbly side box

Discussion in 'Ask An Owner Operator' started by God prefers Diesels, Nov 1, 2020.

  1. God prefers Diesels

    God prefers Diesels Heavy Load Member

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    I bought a 24x24x60 toolbox for between my spread axles. I fabbed brackets out of angle iron, and used a piece of flat strap to make them a "triangle". Just regular brackets. Anyways, now I've got everything loaded in there (probably 200 lbs), I can shake the box up and down. If I keep at it, I can really get it moving. Maybe 3/4" of movement at the farthest edge. I'm worried about metal fatigue as I'm driving down the road.

    Are your boxes solid, or do they wobble too?
     
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  3. JonJon78

    JonJon78 Road Train Member

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    Mine are solid...

    My guess would be yours aren't completely level which is causing the wobble?
     
  4. God prefers Diesels

    God prefers Diesels Heavy Load Member

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    No, they're dead level, square, and secured. I've got the bottom of the box bolted down with four 3/8 bolts. The back of the box bolted with four more 3/8 bolts. The brackets are bolted to the trailer frame with four 1/2 bolts.

    The toolbox and brackets aren't moving independent of each other. They're all wobbling together. Now they don't just wobble "easy". I have to push them up and down, and keep at it for a few seconds before I really get it moving good.
     
    Last edited: Nov 1, 2020
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  5. God prefers Diesels

    God prefers Diesels Heavy Load Member

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    I guess a better way to explain it is all the mounting points are solid, but the whole apparatus is kind of flexible. Springy.
     
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  6. I glide 47

    I glide 47 Road Train Member

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    Quit doing that problem solved!
     
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  7. God prefers Diesels

    God prefers Diesels Heavy Load Member

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    LOL, I'm just worried what's going to happen when I start going down the road.
     
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  8. Ridgeline

    Ridgeline Road Train Member

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    You using three inch angle iron, that’s three inch per side?
     
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  9. God prefers Diesels

    God prefers Diesels Heavy Load Member

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    No, two inch. 1/4" thick. And the 1/2" bolts holding it to the frame are 6" apart. (that's about the best I could do)
     
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  10. Spyro2112

    Spyro2112 Medium Load Member

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    Put a piece of metal between your bolts, more leverage, it just the floor of the box moving
     
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  11. D.Tibbitt

    D.Tibbitt Road Train Member

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    Once u put a couple hundred pound of equipment in it . It wont move. Mine was the same way until i loaded it up with equipment... and i beat down some bumpy dirt roads too. Dont have any problem
     
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