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Old 06-11-2016, 09:58 PM   #1
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Low coupler height signature series

Just wondering if anyone has had the bottom mount coupler removed and replaced with a top mount and if there were any complications in doing so. With the ProPride hitch this setup sits low for the trailer to be level.

What is the advantage to these couplers being mounted on the bottom of the frame?


Thanks


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Old 06-11-2016, 10:03 PM   #2
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Originally Posted by Alberta8311ss View Post
Just wondering if anyone has had the bottom mount coupler removed and replaced with a top mount and if there were any complications in doing so. With the ProPride hitch this setup sits low for the trailer to be level.

What is the advantage to these couplers being mounted on the bottom of the frame?


Thanks


Attachment 110853Attachment 110854


2014 Rockwood 8311SS
Wow.
That looks like it has pain written all over it. I am interested how that can be addressed.
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Old 06-11-2016, 10:15 PM   #3
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Wow

That is extremely low and that is the first time I have seen a hitch that is equal to the bottom of the frame except on a mobile home...... Can't fathom why they would do that unless the trailer sat extremely high like some of the new ones with super high clearance.

Sounds goofy but do the axles look right under the trailer. If it has leaf springs are the axles on top the springs or underneath or have the tires and wheels been changed out to a smaller size?
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Old 06-12-2016, 12:08 AM   #4
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Low coupler height signature series

A quick Google search revealed that there are WD systems specifically for underslung trailer hitches. I'm guessing your particular system is not one of them ?

https://www.etrailer.com/question-70022.html


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Old 06-12-2016, 12:17 AM   #5
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As long as you can carefully cut the underslung coupler off, there should not be any problems. This will not be easy but doable. Don't cut into frame or you will have extra work. New couple must be of the size, angle and strength. The angle of the A frame could be the one thing to stop you. Should be standard A frame angle but never know for sure unless you double check.

Hire a pro to weld it, I am a certified welder, you don't know how many times I have heard "Oh yeah I can weld" and they can't. We as welders are tested quite often just for that reason. I recommend having everything done by a pro.

You will have to remove tongue jack temporarily. There also might be a issue with the existing jack mounting plate, but doubt it. Just grind welds flush with plate first. At the worst it will have to be cut off too. Keep in mind the existing jack hole and the one on the new couple probably won't line up with each other easy enough to deal with if you are going this far already.
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Old 06-12-2016, 12:18 AM   #6
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All the signature series I have looked at have the coupler beneath the frame. I think it's a bad idea and can't find out why this is so common among the frame manufactures. I am looking into having a top mount coupler installed.


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Old 06-12-2016, 12:42 AM   #7
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Originally Posted by tjm View Post
A quick Google search revealed that there are WD systems specifically for underslung trailer hitches. I'm guessing your particular system is not one of them ?

https://www.etrailer.com/question-70022.html


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Correct.

The op is using the incorrect hitch.


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Old 06-12-2016, 06:22 PM   #8
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My Signature Ultra Lite also has the bottom-mounted coupler. My Equal-i-zer WDH works fine with it. I just had to lower the hitch head and the L brackets to keep the spring arms level. I have plenty of clearance from the ground though.

You may or may not need a shank with a larger drop than the standard size that Equal-i-zer typically supplies. They have a tool on their website to help you determine the proper size shank.
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Old 06-12-2016, 08:43 PM   #9
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Low coupler height signature series

Undermount couplers are common with large trailers. Certainly Sean knows how your Propride should be set up with one. Equal-i-zer gives two sets of instructions in their manual, one for top mount couplers and one for bottom mount couplers.


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Old 06-12-2016, 09:58 PM   #10
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Hensley Arrow offers frame brackets for underslung hitches, but that does very little other than correct the angle of strut bars the equivalent of your yoke. You will still be very low to the ground. You could adjust drawbar up a notch and ride a little nose high. I have a top mount coupler and I have scraped once or twice myself. I didn't know I had until I got where I was going. So it's hard to say how steep the angle was that caused me to hit or rub. There has been plenty of times I thought I would hit but didn't.
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