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  • Utility Trailer Repair

    I fixed several rust through holes on a utility trailer for a friend and customer The problem is that the the calcium chloride from the dirt road that he lives on holds moisture, which causes a lot of corrosion. Although I like the rigidity of tubing, I prefer open sections for trailers to allow all sides to be painted. My friend is trying to get a few more years of life from the trailer.

    Notice the external rust on the frame in picture 1.
    Click image for larger version

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    Picture 2 shows one of the seven hole that I repaired.
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    Picture 3 shows the bad metal cut out.
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    in.Picture 4 shows three tubes welded in.
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    Picture 5 shows the back view of the three new tube welded in.
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    Last edited by Don52; 08-20-2020, 08:05 AM.
    Miller Thunderbolt
    Smith Oxyacetylene Torch
    Miller Dynasty 200DX
    Lincoln SP-250 MIG Welder
    Lincoln LE 31 MP
    Lincoln 210 MP
    Clausing/Colchester 15" Lathe
    16" DuAll Saw
    15" Drill Press
    7" x 9" Swivel Head Horizontal Band Saw
    20 Ton Arbor Press
    Bridgeport

  • #2
    Picture 5 shows the repaired tubes primed
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    Picture 6 shows the tongue of the trailer with the new jack, the straightened spare tire holder, the side boards replaced and painted.
    Click image for larger version

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    Picture 7 shows the trailer all done.
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    I have mixed feelings about this repair. Although I repaired the seven holes that were requested, the metal of the tubing is thinned out from internal rust everywhere.


    What are your thoughts?

    -Don
    Last edited by Don52; 08-20-2020, 08:08 AM.
    Miller Thunderbolt
    Smith Oxyacetylene Torch
    Miller Dynasty 200DX
    Lincoln SP-250 MIG Welder
    Lincoln LE 31 MP
    Lincoln 210 MP
    Clausing/Colchester 15" Lathe
    16" DuAll Saw
    15" Drill Press
    7" x 9" Swivel Head Horizontal Band Saw
    20 Ton Arbor Press
    Bridgeport

    Comment


    • #3
      That’s a problem I don’t really have here on the gulf coast, but I don’t know how you can get completely away from tubing, especially on the tongue. I supposed you could use some stiff c-channel as a second best.

      Only repairs I’ve made on metal thinning like that is on metal tube gates. Certainly not nearly the structural issues and disaster potential if a catastrophic failure were to happen.

      Did you do anything to treat the metal on the inside? Something to slow the decay and prevent it on the new steel?

      Good job on the repairs too.

      Comment


      • #4
        Originally posted by ryanjones2150 View Post
        That’s a problem I don’t really have here on the gulf coast, but I don’t know how you can get completely away from tubing, especially on the tongue. I supposed you could use some stiff c-channel as a second best.
        Most of the trailers that I have repaired have had channel for the tongue and angle iron for everything else except the ramp, which is typically square tubing. Picture of typical tongue on landscape trailer.
        Click image for larger version

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        Picture of typical ramp. It is made of tubing except the bottom, which is angle iron.
        Click image for larger version

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        Miller Thunderbolt
        Smith Oxyacetylene Torch
        Miller Dynasty 200DX
        Lincoln SP-250 MIG Welder
        Lincoln LE 31 MP
        Lincoln 210 MP
        Clausing/Colchester 15" Lathe
        16" DuAll Saw
        15" Drill Press
        7" x 9" Swivel Head Horizontal Band Saw
        20 Ton Arbor Press
        Bridgeport

        Comment


        • #5
          Originally posted by ryanjones2150 View Post
          Only repairs I’ve made on metal thinning like that is on metal tube gates. Certainly not nearly the structural issues and disaster potential if a catastrophic failure were to happen.
          You hit the nail on the head. That is my concern. I am not worried about the part I repaired or the weld that attached it to the adjacent tubes. I am worried about some other place that is thin, but didn't break through yet.

          Originally posted by ryanjones2150 View Post
          Did you do anything to treat the metal on the inside? Something to slow the decay and prevent it on the new steel.
          My brother has the equipment that is used to apply anti-rust spray on the inside of panels like Zebart, which I could borrow. The problem is that these tubes have large sheets of rust on the inside. In order to protect the inside of the tubes, the large sheets of rust and loose rust would have to be removed. It would be better to do this task when the trailer was new. Attached is a picture the sheet rust that I am referring to. It is from a railing, but you get the idea.

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          Originally posted by ryanjones2150 View Post
          Good job on the repairs too.
          Thanks,
          Don
          Last edited by Don52; 08-20-2020, 09:21 AM.
          Miller Thunderbolt
          Smith Oxyacetylene Torch
          Miller Dynasty 200DX
          Lincoln SP-250 MIG Welder
          Lincoln LE 31 MP
          Lincoln 210 MP
          Clausing/Colchester 15" Lathe
          16" DuAll Saw
          15" Drill Press
          7" x 9" Swivel Head Horizontal Band Saw
          20 Ton Arbor Press
          Bridgeport

          Comment


          • #6
            The repairs look good.

            How old was the trailer when it came in? While the before pictures are pretty telling of the extent of the rust damage, i'm curious as to how long it took to get to that point.
            http://jenniferlightly.com/

            Comment


            • #7
              Originally posted by JenLightly View Post
              The repairs look good.

              How old was the trailer when it came in? While the before pictures are pretty telling of the extent of the rust damage, i'm curious as to how long it took to get to that point.
              I would estimate that the trailer is about 10 years old. I did some work on the ramp and the rear latch about 5 years ago. Here is a link to that project.

              Trailer Ramp Repair - Miller Welding Discussion Forums

              I see that this is your first post, welcome to the forum.

              -Don
              Miller Thunderbolt
              Smith Oxyacetylene Torch
              Miller Dynasty 200DX
              Lincoln SP-250 MIG Welder
              Lincoln LE 31 MP
              Lincoln 210 MP
              Clausing/Colchester 15" Lathe
              16" DuAll Saw
              15" Drill Press
              7" x 9" Swivel Head Horizontal Band Saw
              20 Ton Arbor Press
              Bridgeport

              Comment

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