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  1. #1
    Join Date
    Aug 2012
    Location
    Hermiston Oregon
    Posts
    257

    Default building a flatbed

    I have a 97 silverado 1500 that going to be my service truck. I'm building my own flat bed 7' wide & 8' long. I'll be hauling a bobcat welder air compressor torch set & a toolbox up above. Now what the best material to build the frame out off. I'm thinking of 4" channel perimeter. Think I can get away with 1/8" thick. & 1/8" diamond plate. For the skinning ?
    .
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  2. #2
    Join Date
    Apr 2006
    Location
    TAXACHUSSETTS
    Posts
    1,483

    Default

    Watch your weight that 1/2ton will get overloaded real quick.I suggest 3" perimeter 2" cross braces 16"oc 11ga. skin.Keep it light.
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  3. #3
    Join Date
    Sep 2005
    Location
    northern NJ
    Posts
    1,858

    Default

    Your 1500 will get overloaded quickly. I would suggest a 2500 at least or a trailer. If you are intent on doing this I would at least get a set of air bag helpers for the rear.

    4" channel is overkill, go as light as you can. Don't forget it will be bolted to the truck frame so that will give it strength also.

    Do a search on here for welding rigs, lots of threads & pics. Here is one.

    http://www.millerwelds.com/resources...t=welding+rigs
    Last edited by MMW; 08-23-2012 at 05:37 AM.
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  4. #4
    Join Date
    Nov 2008
    Location
    Troy, OH near Dayton
    Posts
    43

    Default

    3" channel, with 1.5" angle for the ribs/crossmembers. you could deck it with 2x lumber using that size crossmember, just can't use it as a heavy duty work table too. You'd need a slide out metal plate or a portable workbench.

    If you skin it with steel diamond plate, I wouldn't use anything thicker than 1/8". It might still be too heavy. Figure out the weight of the finished bed, your tools, and check this against the payload for the truck. You also need to check and make sure that your rear axle can handle it's share of the weight. I'd be careful towing anything if you have a bunch of weight on the rear axle. At best you'll wear out the truck faster than normal.

    If you have the capability, aluminum channel and skin would be better on that size truck. But that's costly and you need the right tools and know-how.

    Quote Originally Posted by eecervantes83 View Post
    I have a 97 silverado 1500 that going to be my service truck. I'm building my own flat bed 7' wide & 8' long. I'll be hauling a bobcat welder air compressor torch set & a toolbox up above. Now what the best material to build the frame out off. I'm thinking of 4" channel perimeter. Think I can get away with 1/8" thick. & 1/8" diamond plate. For the skinning ?
    Benson's Mobile Welding & Fabrication
    www.bensonmobilewelding.com
    Serving the Dayton, Cincinnati, and Columbus, OH metropolitan areas

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