Trailering a 340 EC

Discussion in 'Newbie Lounge - NEW' started by norriscathy, Mar 27, 2013.

  1. markrinker

    markrinker New Member

    325
    Jul 19, 2011
    Lake Union - Seattle, WA
    2000 410DA
    Caterpillar 3126
    Very good point. Its important to know the 'loaded height' of your boat. It can vary widely from trailer to trailer, depending on wheel/tire diameter, bunk positioning, etc. A full fuel load will cause a trailer suspension to 'squish' - conversely a light boat can 'load out' taller than the last load, on the same trailer.

    13'6" is legal height nationwide without permits. This does NOT mean 13'6" of vertical clearance is provided, however. Low railroad bridges abound, for example. Its best to know your route in advance if you are taller than 12' loaded height. The same permit you pull for overwidth (beams >8'6") can also serve for overheight loads. We specialized in beams up to 12'6" and heights up to 14'6". Many states require escort cars front or rear for loads larger than this.

    Wide is relatively easy for a careful and experienced driver. Tall is more challenging due to tree branches, cable/telephone wires, and other overhead obstructions not part of infrastructure that the state knows about.

    In any case, the hauler (private or for-hire) is responsible to check and maintain clearances. A permit does not absolve the hauler of liability for striking an obstruction. The permit is just that - permission to move an oversize load.
     
  2. norriscathy

    norriscathy New Member

    60
    Jan 21, 2013
    east texas
    boatless
    boatless
    I have never seen the attachment points on the radar arch and know nothing about them. I've read several other sites and this seems to be a common problem. From what I can gleen, it appears that the radar arch is attach to the gunnel by using a 1/2" thick "L" shaped aluminum flange with the small part of the "L" attached to the gunnel with the arch attaching to the upright vertical part with four bolts. Is this correct? If so; why couldn't you remove just three bolts on each side and loosen the fouth bolt using the last bolt to swivel the arch forwards or backwards ? If this would work, by using a few ropes and a come-a-long/winch couldn't this been turned into a fairly quick one man job ? If the aluminum flange is too soft it could be replaced with stainless steel flanges. If the arch hanges up because of some horizontial obstruction near the flanges you could put several washers on the "swivel bolt" to act as a bearing surface and add and extra inch or two of clearance to each side of the arch ? What am I missing here? Without some solution such as this, trailering a 340 becomes a real problem.

    Norris
     
  3. pchanson8

    pchanson8 Member

    162
    Apr 16, 2009
    WI
    2000 340 Sundancer
    7.4l mpi
    Norris,

    I am fairly confident that your boat on the right trailer will not be 14' tall. If you are close most of the time you can lower your bunks on the trailer. Where are you going with it. Legal height in TX is 14'. most everything now is being built at 16' across the country. Here is a nice site for TX http://www.txdmv.gov/motor_carrier/overweight_permit/roadways/low_clearance/default.htm They have documents that show the bridge height of every bridge so you can plan your route. If you are on interstates and decent roads you should not have an issue. The older boat design had the backward leaning arch. It is not as high as the modern boat design with the forward lean. I was looking at the manuals trying to find the specs and man the old manuals have sooooo much more in them about maintenance! I wish they still did that.

    http://www.searay.com/boat_graphics/electronic_brochure/Company1729/1C1_23_74DEJAJN918.pdf Manual
    http://www.searay.com/boat_graphics/electronic_brochure/company1729/1C1_27_74DERNL9W587.pdf Sell Sheet

    You can also go off the highway off ramp and back on to avoid some bridges if you run it to that. It can be a pain, but it is an option. That is what the pros do when necessary.
     
    Last edited: Apr 4, 2013
  4. floriduramax1

    floriduramax1 Active Member

    Sep 19, 2010
    Florida
    280DA, Magic Tilt triple axle, 2006 GMC 2500 D/A
    T4.3/ Alpha
    Deleted.
     
    Last edited: Apr 5, 2013
  5. pchanson8

    pchanson8 Member

    162
    Apr 16, 2009
    WI
    2000 340 Sundancer
    7.4l mpi
    I just asked what my friends height of a '91 310DA on the trailer with the dome is, 12'2". He has a standard tri axle with bunks. Just an FYI.
     
  6. norriscathy

    norriscathy New Member

    60
    Jan 21, 2013
    east texas
    boatless
    boatless
    Thanks guys; great info; puts my mind at ease. I really appreciate it. Now I need to plan a trip from Shreveport, LA to New Orleans!

    Thanks again.

    Norris
     

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