Aluminum Flatbed Trailers

Discussion in 'Ask An Owner Operator' started by camaro68, Jul 14, 2012.

  1. camaro68

    camaro68 Medium Load Member

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    Why do aluminum flatbed trailers have that bow in the middle. Do they come new like that? Or is it the weight of the load that eventually bows the trailer over time?
     
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  3. -insert name-

    -insert name- ATM squishier

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    All trailers are like that, if its flat while empty or lightly loaded, retire it from service before it bottoms out!
     
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  4. SHC

    SHC Spoiled Rotten Brat O/O

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    The bow is an ARCH and there because alumnium will flex with weight and when it is loaded it will flatten out like a wood deck trailer. The ARCH usually stays in the trailer for quite a few years, but will eventually go away and you have to get the beams re-arched again.

    EMPTY

    [​IMG]

    LOADED

    [​IMG]
    [​IMG]
     
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  5. camaro68

    camaro68 Medium Load Member

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    How do they re-arch the beams?
     
  6. SHC

    SHC Spoiled Rotten Brat O/O

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    That I have no clue about, never had it done.
     
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  7. -insert name-

    -insert name- ATM squishier

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    Get two bulldozers and push either end :p
     
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  8. camaro68

    camaro68 Medium Load Member

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    Thank you for the pics, shc, that's a good example. What year Western Star is that? What brand aluminum trailer do you prefer?
     
  9. camaro68

    camaro68 Medium Load Member

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    That would be the quickest way to do it.....lol
     
  10. SHC

    SHC Spoiled Rotten Brat O/O

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    It is a 2004 Lowmax, the trailer is a 2012 Fontaine Revolution.

    I like the revolution for multiple loads and different kinds of freight. But if I was only going to haul steel/pipe I would buy a MAC 80T
     
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  11. haulhand

    haulhand Road Train Member

    SHC is mostly right and has good pics. The technical term for the arch is camber and all trailers have it put in them for strength otherwise they would sag with negative camber when they where loaded and eventually break.
     
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