2001 Magnum Trailer bolt size?

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  • cal1319
    • Jun 2016
    • 53

    • El Dorado Hills CA


    2001 Magnum Trailer bolt size?

    Getting ready to replace the bunks on our trailer (2001 SAN with a Magnum trailer). I called magnum to ask what size bolts they use and the service guy sad they use 3/8 1'' lag screws. Well I am not going to do that, So I was wondering if anyone has any experience with through bolts on these trailers. I was thinking of going with 3/8 2.5'' Carriage bolts. I also forgot how many bolts per bunk but I think its 2 bolts per connection to frame and there are I think three connections points so a total of 6 bolts per bunk. Any help would be appreciated! Thanks guys!
  • Shawn Henderson
    • Jul 2017
    • 121

    • Houston

    • 2006 SV211

    #2
    What’s left of my magnum trailer is 2 bolts on each bunk connection to the frame. If I was redoing my trailer I’d do as your thinking and just used carriage bolts.

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    • cal1319
      • Jun 2016
      • 53

      • El Dorado Hills CA


      #3
      I am going to tackle this tomorrow... I’ll report back what I find and if all works out!


      Sent from my iPhone using PLT Nautique

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      • cal1319
        • Jun 2016
        • 53

        • El Dorado Hills CA


        #4
        So it was not as bad as I thought it was going to be. Each bunk is held on by 6 lag screws (most of them either were missing or had been replaced with a few carriage bolts). What I ended up doing was removing the old bunks and cutting them to size. I then drilled holes through the wood and then using a spade bit counter sunk the head of the carriage bolt. I then hammered in the carriage bolts (3/8 x 2.5") and covered them with 3M 5200 (and then a put a piece of tap over that). I then covered them with carpet using SS staples and then put the bunks on the trailer using a washer and lock washer and then two nuts. I waited till the next day to tighten everything up. Came out looking great!
        Last edited by cal1319; 06-11-2019, 03:55 PM. Reason: bolt size

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