[Question] Experience with a 2-story trailer? (boat + pwc's)
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Experience with a 2-story trailer? (boat + pwc's)

  1. #1
    Member Jasongun's Avatar
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    Jan 2012
    Corona, CA

    Default Experience with a 2-story trailer? (boat + pwc's)

    Just bought a 2007 Lightning 24xs, on a 2007 Extreme trailer. Wife and kids want to add a couple SeaDoos to the collection. I can buy and install a nearly new Kustom Trailer 2nd story, which fits my trailer for $350. It's only missing the winch motor, battery, cable and whatever you use to secure the pwc during the lift (a sling?).

    Does anyone have experience with a 2 story trailer? How easy is it to winch them up? Safe? Where can I get parts? I called Extreme, who told me that the trailer can handle the weight. I like the idea of using a single vehicle to tow both the boat & pwc's. Not to mention, save on storage (charge by length, not height).

    Thoughts, advise, or experience would be appreciated.



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  3. #2
    Senior Member blefever's Avatar
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    Feb 2008
    Bishop, CA


    Just be sure to unload the top deck before the boat. A friend of mine almost tipped his trailer over when he launched the boat first, then sung the PWC out over the side and the trailer tires came off the ground.

  4. #3
    Senior Member More2LifeThanMPG's Avatar
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    Jun 2011
    Orange County (Placentia)


    There is multiple was to go about launching them. Depends in weight, height, and mostly how you want to do it. They even have racks that are hydraulically controlled where the whole rack moves, not just a winch on the top... From what I remember competitive is the biggest producer of the double deck trailers.(don't quote me on it though)

    Sent while on the run, or sitting at work bored

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  6. #4
    Got to get In da Wind NdaWind's Avatar
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    Dec 2007
    Lake Elsinore, CA


    I had a similar one to the Kusom Trailer one and almost swapped mine out because of the removable feature. They do work fairly good for what they are intended. 2 big drawbacks - Crowded tight lane ramps - it takes awhile to unload and load them and people get a little inpatient at times and you need part of the lane next to you to unload the ski. The other drawback and why I eventually cut mine off is that there is a fine line how deep you can go back into the water - to deep and you will cut your head off on the top rack when loading your boat or not enough and the bunks aren't wet. Especially bad problem when on a step ramp. Your trailer should have 3 axles and make sure the top rack is located so the weight distribution is not making the trailer to tongue heavy or tail heavy.

  7. #5
    Senior Member ugly duck's Avatar
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    Jul 2010


    never used a double tall ,we added bunks next to the bow and slid the axles forward slightly for the tongue weight ill see if i can find pics.... if you have the giant 3 seaters this may not work
    (GN7)Just a simple waste of perfectly good sour mash. If you need a fuel, use something that will poison you, not something that makes you buzzed.

  8. #6
    Boat Nut sleekcrafter's Avatar
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    Dec 2007
    South Elgin, Il.


    I've seen longer trailers used for smaller boats, with the jetskis up front, two side by side or three sitting sideways, in front of the boat.
    Upper Midwest Power Boat Association

  9. #7
    Senior Member
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    Mar 2009


    I thought that I would bring this thread back from the dead, rather than start a new one asking the same type of questions. I'm in a similar situation, too many toys to tow to the lake with one vehicle; real "first world problems", as my buddies at work like to tell me. Anyhow, we have a an Eliminator Eagle 23XP that resides on a tandem axle Extreme trailer. I have my sons stand up ski, my SeaDoo XP800 two seater sit down ski and two kayaks. I am a certified welder with a full shop at my disposal, so the fabrication end of the task is not a concern. Anyone here ever convert a trailer?

  10. #8
    Senior Member
    Join Date
    Dec 2008
    Sacramento area


    I had the same issue. When considering the double decker l was going to make the top pivot hydraulicly so it would lay flat to laucnh the jet ski. Also extend up and down to move the upper bunks out of the way to launch the boat. My boat is a 19' Daytona so it didnt have to be too tall.
    Sold the jet ski, so no need now. Keep us posted on how your progress
    Be safe, schick
    Half the people in the world are below average.

  11. #9
    Senior Member Mohavekid's Avatar
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    Jan 2008
    Penn Valley, The Sierra Foothills


    I had the same issue. This is what I came up with.

    I use a 2500 pound winch mounted in the truck bed to pull the ski up in the truck.

    Here is the substitute "trailer" I made for the ski to ride on. Made from 2X4 lumber and some nylon glide material so it slides on the truck bed easily.

    Works easy and quick.

    To load, set the "trailer" against the tailgate of the truck. Hook winch cable to jetski. Pull it up. Tie down straps front and rear secures the jetski for the road. To launch just give the ski a little nudge to get gravity working. Control the speed of the pull of gravity with the winch.

    All told I spent less than $300 and a little trial and error to get right. I've used this set up for 8 years and it works great.
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    Last edited by Mohavekid; 05-24-2015 at 05:22 PM.

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