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Old 01-15-2015, 01:32 AM   #1
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flatbed gooseneck to fifthwheel of fifthwheel to gooseneck

So............we just got our Voltage 3950. I have a flatbed that I use at work. It has a 2 5/16 ball built into the bed under a hatch. The height to the top of the ball is around 38" and the height to the king pin plate on the fifth wheel (when level) is about 44". I need to be able to use the truck for work and play. I only have a 6"-7" difference. I like the companion but it has a height much greater then that.......ok here we go....... ideas? Thanks for the help.......this site has been great and a lot of great people on here with some good ideas.
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Old 01-15-2015, 01:36 AM   #2
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Opps Flatbed gooseneck to fifth wheel OR fifth wheel to gooseneck
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Old 01-15-2015, 04:10 AM   #3
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I would avoid converting the trailer to a gooseneck. The adapter puts too much stress/leverage on the pin box, probably voiding your frame warranty. Some off the others here might be able to add more info, but I remember the Weekend Warrior fiasco a few years back. A lot of frame breakage in the pin box/ hitch area which the manufacturer would not warranty. There are some newer hitch styles which move the g/n ball up to the fifth wheel plate and eliminate the long g/n adapter, but I think you'll be compromising your warranty.
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Old 01-15-2015, 08:11 AM   #4
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I did the gooseneck adapter on my last fifth wheel camper (had a shortbed truck with a bed mounted fuel tank) and reverted right back - the stress is correct. I ended up with a crack in the fiberglass body at the front lower corner of the bedroom slide.
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Old 01-16-2015, 12:54 AM   #5
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Old 01-16-2015, 01:21 AM   #6
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you might want to factor in the suspension droop. my truck drops 5 to 6 inches when its hooked up. i don't have air bags (not yet anyways).
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Old 01-16-2015, 10:02 AM   #7
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What truck do you have?
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Old 01-16-2015, 10:15 AM   #8
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Here is the manufacture CAD drawing showing the pin height on a 3950 when level. I got this before ordering my hitch. The companion will drop pretty low, you will have some drop from the 3k+ pushing down on the bed.
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Old 01-17-2015, 03:38 AM   #9
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Oh boy keep it coming guys. I need all the input I can get. I have a 2004 dodge 3500 dully. It has a Bradford built flatbed. The top of the ball is 38" and the c channel it sets on is 35". I have not accounted for the weight when the unit is hooked up. I would like to put air bags on and keep it at the normal ride height. Unfortunately I have a real issue with level......maybe it's the fact that I have sold and set manufactured homes for the last 25 years.......but I would like my fifth wheel to be level when I'm towing. Not to mention I need all the tail clearance I can get.
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Old 01-17-2015, 03:48 AM   #10
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Moto4play.......I wish we lived closer together. You have been on every post I put up and have some great comments. Maybe someday we will meet. Thanks for all your input !!!!!!!!!!!!!!! I'm going to check my height on the fifth wheel again because 49" would make a lot of difference.
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