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Old 04-01-2014, 10:48 AM   #1
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sa2515 & weight distribution hitch...

A little background... We bought this trailer back in Dec. I pulled it home and it sat until a couple of weeks ago when we went out for the first time. So here is my question:

I have airbags as well as a weight distribution hitch on a Toyota Tundra. I pumped up the bags to about 60lbs which helped level the truck. The trailer had half a tank of water and a 4 wheeler in the back. As I am pulling the trailer it likes to bounce a lot. I let out the air in the bags and the truck sinks a little but it seems to ride a ton better.

So here is the question, are airbags worthless when using a weight distribution hitch? I've puled smaller trailers before but this is the first one over 4k lbs. I may be doing it wrong?
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Old 04-02-2014, 12:30 AM   #2
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What weight distribution kit do you have?
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Old 04-02-2014, 10:32 AM   #3
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EQUAL-I-ZER 4 WAY SWAY CONTROL HITCH - 1200/12000

sry all caps I just copy/pasted it from their website.
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Old 04-02-2014, 10:38 AM   #4
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60 psi in your bags is probably too much. I run 30 psi in mine - different set-up to be sure, but still, that sounds like too much pressure.

Remember - you actually want some squat to the rear end. The suspension is designed to compress under load, if you use airbags to eliminate squat then you basically placing the full load on the airbags, not the springs.

It looks like your truck is lifted. If it was a spring lift note that lift springs are designed to compress more easily to absorb bumps.
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Old 04-02-2014, 02:40 PM   #5
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I have the same wd hitch. I towing with a 2012 f150 with air bags and I set them at 30 psi and there isn't any bouncing. Your bags might be set at too much psi
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Old 04-05-2014, 05:43 PM   #6
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Thanks everyone. Jjs2000z when you load your wheelers or whatever, do u put them centered over the axle? Or something else?
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Old 04-06-2014, 12:01 PM   #7
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Yes most of the weight should be over the axles. This will dramatically reduce the sway.
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Old 05-03-2014, 10:09 PM   #8
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[QUOTE=brandonv;577114]A little background... We bought this trailer back in Dec. I pulled it home and it sat until a couple of weeks ago when we went out for the first time. So here is my question:



I have airbags as well as a weight distribution hitch on a Toyota Tundra. I pumped up the bags to about 60lbs which helped level the truck. The trailer had half a tank of water and a 4 wheeler in the back. As I am pulling the trailer it likes to bounce a lot. I let out the air in the bags and the truck sinks a little but it seems to ride a ton better.



So here is the question, are airbags worthless when using a weight distribution hitch? I've puled smaller trailers before but this is the first one over 4k lbs. I may be doing it wrong?[/QUOTE



Have you weighed your hitch weight by chance. What it actually is not what they say.
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Old 05-04-2014, 04:09 PM   #9
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I too have a tundra I run 35 psi in my bags no matter what I have in the trailer they are spring helpers, meaning they are to help your stockers carry the load if you have too much air the truck will ride like it is on solid rubber stops. Your trailer should tow with a little attitude down in the front. The WD hitch is intended to move weight from the hitch too the axles of both the truck and trailer. If engineered correctly the dry hitch weight should be 10 to 15 percent of the trailers gvw . Adding water will usually add 6 to 8 pounds to the hitch, depending on tank location.The bags help to level the truck to aid in control of truck and trailer in a less then ideal situations. Understand that in most situations a half ton truck is a little lite as most toy haulers are 1000 to 1300 pounds on the hitch which is more then all but long box regular cab half tons pay load.
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