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Old 12-14-2012, 04:21 PM   #1
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Fifth wheel leveling

Question: we have a 2013 jayco Eagle HT 23.5 fifth wheel.
Our truck is 4x4 and too high. The pin on the fifth wheel is at the max (no room for adjustment), we use the Superglide hitch and the fifth wheel axles are already flipped.
On the truck, we have timbrens.
The trailer is about 4 inches low in the back. I need a way to get it level. I'm told i could get brackets or something to bring the trailer up but my concern is with the center of gravity. The other thing I could do is get a spacer out from the timbrens letting the truck settle a bit more but this may affect the ride and probably won't give me anymore than two inches off the back of the trailer.
Suggestion?
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Old 12-14-2012, 04:57 PM   #2
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Can you drill an extra set of holes in the Pin Box, to move it up a bit? I did this on my previous trailer.

You say the axles are already flipped. They're mounted below the spring? If it came this way from the factory, I don't see where lifting it a bit will change the center of gravity much.
I lifted a trailer 4" without any noticeable change in towing ability.
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Old 12-14-2012, 06:02 PM   #3
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Fifth wheel leveling

Quote:
Originally Posted by chipper View Post
Can you drill an extra set of holes in the Pin Box, to move it up a bit? I did this on my previous trailer.

You say the axles are already flipped. They're mounted below the spring? If it came this way from the factory, I don't see where lifting it a bit will change the center of gravity much.
I lifted a trailer 4" without any noticeable change in towing ability.
The pin box is all the way up against the cap already, the rv dealer said they'd have to cut into the box to bring it up. Not an option.

Yes, the axles came flipped right from the factory, not sure why.
Is there a way to calculate the Center of gravity.
How much would I need (to get it) to lift it to regain the 4" drop on the rear? Also, How much is acceptable? Maybe get it lifted just enough...?
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Old 12-14-2012, 07:13 PM   #4
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Not absolutely positive, but I would calculate it this way. If the trailer were sitting unhitched with a 4 inch rise in the front and corresponding 4 inch drop in the back, it would take a 2 inch drop in the front to raise the rear 2 inches, and then it should be level. Therefore, a 2 inch lift at the axles in the center (pivot) should give you the desired height to be level when hitched. JMHO. Maybe I'm wrong, but that's my logic.
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Old 12-14-2012, 07:16 PM   #5
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Fifth wheel leveling

Thanks
Trailer is 143" high now, that would bring it up to 145 " does that sound like a reasonable height? How about center of gravity?
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Old 12-15-2012, 12:10 PM   #6
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An easy way to figure how much to lift the axles would be to pull the 5er up on blocks until it becomes level.


Then if you lift it I wouldn't corner to fast.
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Old 12-15-2012, 12:13 PM   #7
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Fifth wheel leveling

I wish I wouldn't have to do this.
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Old 12-15-2012, 12:36 PM   #8
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We experienced the same problem- In our case, the rear of the 4x4 tv was much higher than the front- We used aftermarket shackles to level the rear of the tv- This plus flipping the axles solved our problem- I am more concerned with towing level than I am about raising the center of gravity- JMHO- DD
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Old 12-15-2012, 12:40 PM   #9
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Fifth wheel leveling

Not much space between tires and wheel well, 20"tires.
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Old 12-15-2012, 02:04 PM   #10
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Your set-up.


I'd add 3" spacers between the axles and springs.
3" won't noticeable difference in towing; and shouldn't through off the center of gravity to cause any issues.

The photo below is of fifth wheel trailer axles. Spacers were made and installed above the axles.

Attached Thumbnails
imagesCAOYCT01.jpg  
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