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  1. #1

    Default Heavy Haul Trailer

    One of my customers called this mourning,their heavy haul truck took out part of a rail road crossing! Truck loaded with a cat345 trackhoe,boom laid down in between the main center beams of the trailer,well when he caught the track doing 30 mph it stopped the truck almost in its tracks.Well the backhoe slid forward on the trailer ended up on top of 5th wheel,never slid off,but the boom took out 5 crossmembers between the main beams.Need to replace the bent crossmembers,This is probably t-100 steel the main beams
    I'm thinking cut out old ones ,preheat main beams and weld back new rectangle tubing 6x12x 1/4 wall back in with 7018. Anybody out there have any experience with these heavy haul trailers?
    ;
    /22x45 concrete slab with 2 overhead cranes(trolley style with electric hoist, huge shade tree to weld under
    33x33 enclosed shop when its to cold or windy outside
    miller 210
    miller 875 plasma
    victor oxy/accet
    unihydro 45ton ironworker
    miller 180 tig
    ole lincoln ac/dc buzzbox
    milwaukee power tools
    and everything in between
    2007 trailblazer 302
    Bailiegh 210 miter saw-2008
    Beer Fridge
    6000# cat forklift
    36" port-a-cool fan
    Dake G-75 Belt grinder
    3035 Spoolgun

  2. #2
    Join Date
    Sep 2006
    Location
    Abilene, Texas
    Posts
    639

    Default

    I can't tell you how to fix it but I'd like to see a pic or two of the situation.
    Jim

  3. #3
    Join Date
    Mar 2006
    Location
    Corunna Ont, Canada
    Posts
    450

    Default

    Quote Originally Posted by shade tree welder View Post
    One of my customers called this mourning,their heavy haul truck took out part of a rail road crossing! Truck loaded with a cat345 trackhoe,boom laid down in between the main center beams of the trailer,well when he caught the track doing 30 mph it stopped the truck almost in its tracks.Well the backhoe slid forward on the trailer ended up on top of 5th wheel,never slid off,but the boom took out 5 crossmembers between the main beams.Need to replace the bent crossmembers,This is probably t-100 steel the main beams
    I'm thinking cut out old ones ,preheat main beams and weld back new rectangle tubing 6x12x 1/4 wall back in with 7018. Anybody out there have any experience with these heavy haul trailers?
    Pictures would be great...........

    Railmen
    2007 Trailblazer 302G
    2004 Invision 354MP
    1999 60 series feeder
    2005 Maxstar 200DX
    2007 CST280
    1999 HF 251-1
    older Hobart hefty wire feeder
    Hyperthrem 600
    Maxstar 150S(such a cute welder)
    had and sold........
    2003 XMT 304CC/CV
    1947 Lincoln SA200G short hood
    1963 Lincoln SA200G
    1975 Lincoln SA200G(best machine ever had )
    1970's Lincoln SAE400G
    2 Maxstar's 200DX's
    1 Maxstar 200SD
    CST 280
    2 CST 250
    MM130


    Railmen

  4. #4

    Default

    Actually i missed all the fun,they had the trailer at their shop this mourning. One of the mechanics said everybody (law&railroad people)was on the scene .Good part no other vehicles were involved, the driver was shook up a bit from the sudden stop ,couple cuts on the head from the steering wheel and fortunately it was around 7:00 a.m. in the mourning hardly no traffic on sunday mourning.
    ;
    /22x45 concrete slab with 2 overhead cranes(trolley style with electric hoist, huge shade tree to weld under
    33x33 enclosed shop when its to cold or windy outside
    miller 210
    miller 875 plasma
    victor oxy/accet
    unihydro 45ton ironworker
    miller 180 tig
    ole lincoln ac/dc buzzbox
    milwaukee power tools
    and everything in between
    2007 trailblazer 302
    Bailiegh 210 miter saw-2008
    Beer Fridge
    6000# cat forklift
    36" port-a-cool fan
    Dake G-75 Belt grinder
    3035 Spoolgun

  5. #5
    Join Date
    Jul 2006
    Posts
    1,508

    Default

    Quote Originally Posted by shade tree welder View Post
    This is probably t-100 steel
    I checked my charts, unless I over looked it, I cannot find T-100! Is this some type of T-1 that Im not familiar with?
    Caution!
    These are "my" views based only on my experiences in my little bitty world.

  6. #6

    Default

    I meant some type of high tensile steel ,sorry about that. Ilooked on the loadking trailer website states 100,000/80,000 ksi steel
    Last edited by shade tree welder; 03-22-2010 at 02:37 PM.
    ;
    /22x45 concrete slab with 2 overhead cranes(trolley style with electric hoist, huge shade tree to weld under
    33x33 enclosed shop when its to cold or windy outside
    miller 210
    miller 875 plasma
    victor oxy/accet
    unihydro 45ton ironworker
    miller 180 tig
    ole lincoln ac/dc buzzbox
    milwaukee power tools
    and everything in between
    2007 trailblazer 302
    Bailiegh 210 miter saw-2008
    Beer Fridge
    6000# cat forklift
    36" port-a-cool fan
    Dake G-75 Belt grinder
    3035 Spoolgun

  7. #7
    Join Date
    Oct 2007
    Location
    Cave Creek Az
    Posts
    967

    Default

    There are a couple of guys over on the shopfloortalk.com board who repair this kind of stuff regularly, and seem to do a real good job of it, you might post over there too.

  8. #8
    Join Date
    Jul 2006
    Posts
    1,508

    Default

    Quote Originally Posted by shade tree welder View Post
    I meant some type of high tensile steel ,sorry about that. Ilooked on the loadking trailer website states 100,000/80,000 ksi steel
    Most likely T-1.

    I worked on some heavy haul lowboys that were made with T-1. These trailers were grossly over loaded, and abused! Cracked welds from one end to the other. We arced the bad welds out, and re-welded with 110-18. Everything went according to plan, until the post weld cool down!
    Caution!
    These are "my" views based only on my experiences in my little bitty world.

  9. #9

    Default

    Hey sonora are you refering to the steel cracking along the outside of the new welds?
    ;
    /22x45 concrete slab with 2 overhead cranes(trolley style with electric hoist, huge shade tree to weld under
    33x33 enclosed shop when its to cold or windy outside
    miller 210
    miller 875 plasma
    victor oxy/accet
    unihydro 45ton ironworker
    miller 180 tig
    ole lincoln ac/dc buzzbox
    milwaukee power tools
    and everything in between
    2007 trailblazer 302
    Bailiegh 210 miter saw-2008
    Beer Fridge
    6000# cat forklift
    36" port-a-cool fan
    Dake G-75 Belt grinder
    3035 Spoolgun

  10. #10
    Join Date
    Jul 2006
    Posts
    1,508

    Default

    Quote Originally Posted by shade tree welder View Post
    Hey sonora are you refering to the steel cracking along the outside of the new welds?
    Yes!_______
    Caution!
    These are "my" views based only on my experiences in my little bitty world.

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