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  1. #1
    Join Date
    Apr 2007
    Posts
    347

    Default Gary's Welding Trailer Project

    I couldn’t find very many pictures of welding trucks or trailers before I started this project. So here is a fairly detailed write up along with some pictures. Perhaps someone can find this information useful in their next welding truck/trailer project.

    This was a fun project and long overdue. My first portable welder was a Miller Blue Star 2E and no, I won’t be posting any pictures of THAT trailer set up. With the TB302G comes a matching new trailer. Hopefully, I won’t outgrow this one, but if I keep listening to you guys, I just might end up with a bigger blue machine.

    Tools
    I hand blend the majority of the visible welds. It’s time consuming, but I like the way it looks. With the exception of the rod holders in the tool box, nothing was bent or sheared. Everything else was hand blended. Steel was cut with a chop saw, jig saw and cutting torch. I used a hand held drill, hand held grinder, and hand held belt sander. I cut the holes on the rear bumper and on the rod holders on my floor mill.

    Paint
    The paint is Dupont “Nason” K2 single stage polyurethane. It’s a bit more durable that typical automotive paint, but doesn’t flow quite as well. A good choice for trailers and the like. Pin striping is the vinyl stick on type.

    Tool Box
    The tool box is custom made. The shell is 1/8 diamond plate with some 1” square tubing and the top is framed with 1 ½ angle iron. The hinges came from King Architectural Metals and I added grease fittings to them. The gas cylinders were ordered directly for SPD. They offer free engineering services. You give them the dimensions and weight of the lid and they tell you what type of cylinder you need and where to mount the pivot points. They can design for virtually any lifting/closing force you want.
    http://www.spdhardware.com/gs1.htm

    Stickers and Stars
    The “Texas Stars” from King Architectural Metals are grey cast and welded on from the back side. A dab of caulk after sandblasting and priming gives them a molded in look. The “WARNING” and “DANGER” stickers need to be read carefully. I had them custom made at a sign shop and I put them on most things I make. I use this tongue design on all the trailers I make, so they all look the same up front.

    Trailer Wiring
    The wiring harness is a sealed type. There are two breaks in the main harness that are sealed with heat shrink. The heat shrink I use has a heat activated melt liner that provides a water tight seal. All connections are soldered and covered by that type of heavy duty heat shrink. It typically takes me two full days to wire a trailer, but it will last many, many years.

    The battery mounted in the welder is hooked into the trailer wiring harness. It serves as the battery for the break-a-way brakes and also supplies power for the light in the tool box. When I’m towing the welder down the road, the battery gets charged from the truck via the trailer connector. When the trailer is sitting idle at the shop, I plug a battery maintainer into the trailer wiring harness and the welder battery stays charged up. I have enough batteries to mess with, so using one battery on the trailer saves me from some of those headaches.

    Water Cannons & Fire Extinguishers
    I own four water cannons and right now that’s probably a good thing since I live in Texas. I wanted these to be readily available at all times, so I mounted them right out in the open. I also have a 10 pound dry chemical with room to mount a second one. Even though the welder trailer is ready for some action it will have to sit for a while until we get some rain.

    Center of Gravity and Weight
    I ran calculations for various mounting positions of the welder, gas bottles, tool box, etc before I settled on a layout. The tongue load is pretty accurate to what I calculated it to be and I tested it at 80MPH on the freeway the other day. Unlike some of my first home made trailers, no fishtailing or swaying. The total weight is a little over 2k fully loaded. The axle is 3500lb and tires are 75D15 load range D rated for 2530lb each.

    Bottle Rack
    It holds medium acetylene and 240 cu ft oxygen bottles in a vertical position. I was worried about the center of gravity being to high, but the trailer tows just fine. The rack is welded to the support frame underneath the diamond plate skin. Two ¾” bolts hold the bottles in position. I think it would take a pretty good wreck to knock these bottles out of position which is what I designed it for. Hopefully, I won’t ever find out.

    Future Bottle Rack
    I left a space behind the tool box for a second bottle rack. This would be a horizontal rack capable of holding two 240 cu ft bottles. Or, I could make something else to bolt down in this space. I predrilled the mounting holes and welded supports underneath.

    Cables and Hoses
    The cables racks have a total of 200’ of 1/0 welding cable on them. 100’ for the ground and 100’ for the lead. The hose rack has 100’ of Goodyear Oxy/Act twin hose. It doesn’t show up in the pictures, but the welding cables have my name printed on them. I ordered the cable directly from the manufacturer. I believe it was Trystar.

  2. #2
    Join Date
    Apr 2007
    Posts
    347

    Default More Pictures

    More Pictures

  3. #3
    Join Date
    Apr 2007
    Posts
    347

    Default More Pictures 2

    More Pictures 2

  4. #4
    Join Date
    Apr 2007
    Posts
    347

    Default More Pictures 3

    More Pictures 3

  5. #5
    Join Date
    Jan 2006
    Location
    Eugene, Oregon
    Posts
    2,428

    Default

    Incredibly nice work. That is by far the nicest welding rig/trailer setup I have ever seen.
    Dynasty 350DX
    Dynasty 200DX TigRunner
    MM 350P
    MM Passport Plus
    Spectrum 375 Extreme
    08' Trailblazer 302

  6. #6
    Join Date
    Aug 2006
    Location
    near rochester NY
    Posts
    9,881

    Default

    great looking trailer, love the danger stupid people not alowed to operate stickers did you get those printed up special or can you buy them.
    thanks for the help
    ......or..........
    hope i helped

    feel free to shoot me an e-mail direct i have time to chat. james@newyorkmetalart.com
    summer is here, plant a tree. if you don't have space or time to plant one sponsor some one else to plant one for you. a tree is an investment in our planet, help it out.
    JAMES

  7. #7
    Join Date
    Feb 2006
    Posts
    411

    Default Very nice !!!

    Gary, Thats a very nice trailer. I see you took a lot of time and lots of patiences being very ticky do every little detail but its all worth it.
    I know that you are happy with the results of all your hard work and time.
    Thanks for shareing all the pictures with us. we all love to see pictures of everyones projects you have a great talent I am proud of you & Happy for you. I have sen jobs where the clients judge weather or not you get the job by the rig you made/drive, you will get lots of work from that rig
    you will look great driving down the road with that rig. Great job !
    Thanks again for all the pictures
    Gary you are the Man ! Nice true Blue paint.

  8. #8
    Join Date
    Sep 2012
    Location
    seaford de
    Posts
    406

    Default

    I really like it man... but I gotta tell ya... you made the same mistake I did. You put your oxy acy bottles on it. Its a 500 dollar fine in MD. And de. And they can also shut you down right on the spot. I dunno the laws where your at but I would imagine their the same....?

    To get by at all, even on a truck your straps have to be DOT approved. Or at least look like the ones that are DOT approved. I would bet that if a DOT man passed you goin down the highway he would stop you. It happened to me just cause I had em on the trailer. I made my own straps and he didn't even notice that
    Last edited by weldonwelding; 04-01-2013 at 05:50 AM.

  9. #9

    Default

    7 Yr Old Thread
    Miller Trailblazer's ( 2 )...MillerBobcat 250...Millermatic 251's ( 2 )...Miller Syncrowave 200...Miller Syncrowave 180SD...Miller 12VS Suitcases ( 2 )... Hobart Hefty CC/CV Suitcases ( 2 )...Miller 30A Spool Guns ( 2 )...Miller WC 15A Control boxes ( 2 )...Thermo Dynamics Cutmaster 50 Plasma Cutters ( 2 )...Thermo Arc Hi Freq Units ( 2 )...Smith / Victor O/A Sets...DeWalt Power Tools...Craftsman / Snap On Hand Tools... Two Dodge Mobile Rigs

  10. #10
    Join Date
    Sep 2012
    Location
    seaford de
    Posts
    406

    Default

    Lol... never paid any attention to it.

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