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 > question on on hitches on the back of fifth wheels

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memtb

Wyoming

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Posted: 03/23/19 09:37pm Link  |  Quote  |  Print  |  Notify Moderator

MFL wrote:



Like I mentioned earlier, my frame is pretty stout, and the factory installed receiver is fastened at several points, but mostly to a thick steel 3 inch solid square tubing, that runs frame to frame. It is solid! Like I said earlier, I feel the manufacturer has other reasons to under rate these receivers.

Towing a 3K utility trailer, not much of an issue, if properly loaded, but hanging 500 lbs on that hitch, such as a motorcycle will add weight to rear axle, and lighten pin.

Sounds like yours is well built, but low rated also.

Jerry


Jerry, Our hitches are likely plenty strong, just playing it safe with attorneys and litigation! I don’t think that lightening my pin weight by 500 pounds would be a bad thing! [emoticon]

* This post was edited 03/24/19 02:21pm by an administrator/moderator *


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transamz9

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Posted: 03/24/19 04:36am Link  |  Quote  |  Print  |  Notify Moderator

Putting 500# on the back of your fifth wheel won't lighten the pin weight 500#. Depends on the location of the axles.

* This post was edited 03/24/19 02:22pm by an administrator/moderator *


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memtb

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Posted: 03/24/19 07:59am Link  |  Quote  |  Print  |  Notify Moderator

Good point! Typing without brain in gear. [emoticon]

* This post was edited 03/24/19 02:22pm by an administrator/moderator *

transamz9

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Posted: 03/25/19 03:03am Link  |  Quote  |  Print  |  Notify Moderator

I pull a boat that has a tongue weight of around 500# with no I'll effects. I built my hitch.

Ralph Cramden

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Posted: 03/25/19 03:26am Link  |  Quote  |  Print  |  Notify Moderator

TxGearhead wrote:

If you get pulled over for double towing play dumb.



LOL....That will work.

bpounds

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Posted: 03/25/19 08:49am Link  |  Quote  |  Print  |  Notify Moderator

There is no way you can hang a 500# MC on only a receiver hitch. Even if you have a hitch rated for 500# direct load, you are going to have a long draw bar to get a wheel rail far enough out from the rear of the trailer. That is a long lever, and that cantilevered load is going to far exceed the capacity of any receiver.

I don't know what length draw bar they use to rate these hitches. There is a lot left to the imagination since we don't have any of their design documents. But I can assure you it is not based on a 2' long draw bar.

This whole idea is just silly.


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MFL

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Posted: 03/25/19 10:19am Link  |  Quote  |  Print  |  Notify Moderator

bpounds wrote:

There is no way you can hang a 500# MC on only a receiver hitch. Even if you have a hitch rated for 500# direct load, you are going to have a long draw bar to get a wheel rail far enough out from the rear of the trailer. That is a long lever, and that cantilevered load is going to far exceed the capacity of any receiver.

I don't know what length draw bar they use to rate these hitches. There is a lot left to the imagination since we don't have any of their design documents. But I can assure you it is not based on a 2' long draw bar.

This whole idea is just silly.


You are correct, and I think the OP got the message right away, since he has not returned.

The draw bar on my/most MC carriers is not very long, which does not allow for a very secure tie down. Even putting a 500 lb bike on your truck or MH rear could be an issue with tie down, using a standard type carrier. On back of a FW, or TT, with the potential bounce of bridges, RR tracks, etc, is asking for trouble.

To the OP, if ever returning to look...you do need to just get a TH, and use the garage for guests/office.

Jerry





4x4ord

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Posted: 03/25/19 01:38pm Link  |  Quote  |  Print  |  Notify Moderator

Here's my home made carrier and hitch. About 1000 lbs with the bike loaded. My pin weight was on the light side to begin with. With the bike loaded I need 300 lbs of gravel loaded in the fro t closet to get the trailer to pull ok. I still plan on moving the trailer axles back.

[image]
[image]Click For Full-Size Image.


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TazFord

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Posted: 03/25/19 06:33pm Link  |  Quote  |  Print  |  Notify Moderator

Have you looked at a side entry toy hauler. Room is much smaller the regular toy hauler, great for a motorcycle. Can still get bunks in some models


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Posted: 03/26/19 11:42am Link  |  Quote  |  Print  |  Notify Moderator

So I'd love to have a TH but the wife does not so I'm in the same boat but here's a video of a guy fixing a bumper from only carrying bicycles on a curt receiver on a stock 5th wheel bumper.

https://www.youtube.com/watch?v=YIwtglKiBwk

This is why I would re-enforce any kind of carrier


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