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 > Morryde pinbox

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Durb

NW

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Posted: 01/08/19 11:50am Link  |  Quote  |  Print  |  Notify Moderator

It will help w fore/aft forces generated by your trailer but not so much for bouncing forces. Sounds like you are buying used, MorRyde uses different compounds in their pin boxes based on trailer weight. I would call MorRyde and make sure it is appropriate for your trailer. Many manufacturers supply MorRyde pin boxes standard on their fifth wheels, they do this because they are needed to quell forces and they work well. Many members here swear by them.

lenr

Indianapolis, IN

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Posted: 01/08/19 12:58pm Link  |  Quote  |  Print  |  Notify Moderator

We first installed a Lippert cushioned equalizer similar to the MORryde CRE3000. We never noticed any improvement in anything. Next we installed the MORryde pin box on our 9400 lb. fifth wheel, and it reduced the chucking by about half. Chucking in this case is the backwards jerk in the seat of the truck when the trailer hits a bump. Next we installed the MORryde SRE4000 equalizer. It requires lot of vertical travel (4” above the tire if I recall correctly) which many trailers will not have. In our case we needed to raise the trailer 2” to get it level so the extra 2” provided enough room. Oh my goodness--what a difference the 4000 system made! We no longer feel any chucking from the trailer 98% of the time. Items in the trailer move around way less. The microwave plate is in place part of the time after driving, which never happened before. I am convinced this will be a significant reduction of the trailer shaking to pieces over the long run. I will absolutely drive the next, new, trailer straight to MORryde to get a 4000 suspension system installed—it is that good.

Additional notes: Neither the suspension nor the pin box has reduced the jolt in the seat when the tow vehicle hits a bump in the road, but half the jerks are gone since we get none from the trailer. An air ride pin box or hitch in the bed of the truck might very well reduce the “truck hitting bumps” jerk since they would allow more vertical motion of the truck itself in relation to the trailer nose. We have not tried either of those. We had our work done at MORryde in Elkhart—they do excellent work, but the cost of the 2” rise was twice as much as the 4000 work itself. We had the X-factor bar that comes with the 4000 system installed along with a heavy duty wet bolt kit.

farmerrob

duncan, sc

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Posted: 01/08/19 04:59pm Link  |  Quote  |  Print  |  Notify Moderator

Thanks to all for telling me your experiences with cushioned hitches.
I do know a lot of you have much heavier rigs than ours and they probably react different to the same road conditions.
We have the CRE3000 suspension on the 5th wheel from factory but no wet bolts, yet.
I have adjusted the Companion hitch as far forward as it will go and lowered the air pressure all around for the loads on the tires.
The bouncing is gone, but we still get the hits to our backs on the concrete joints and bridges. Not killer bad but it does wear on you after a few hundred miles. Age has made it more noticeable.
The hitch is very solid and I have checked the pin weights by CAT scales before every trip.
It is a new pinbox by the way.


2018 chevy 2500 sb dc duramax
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lenr

Indianapolis, IN

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Posted: 01/08/19 05:53pm Link  |  Quote  |  Print  |  Notify Moderator

I believe that the 4000 suspension will make significantly more improvement than the pin box, but is potentially significantly more expensive if sub-frame or riser tubes are needed to increase clearance. That said, the 4000 suspension will absolutely the first thing that I do on the next new trailer because it was sooo much of an improvement. But, that isn't much $$ to try the pin box, and it will help.

dieseltruckdriver

Black Hills of SD

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Posted: 01/08/19 06:49pm Link  |  Quote  |  Print  |  Notify Moderator

I have a MORryde on our new 5er, and we don't feel any chucking in the places we did with our old 5er. When I look at the dust on the hitch and see how much it moves, I am always surprised, since I don't feel it move at all.

That, like the B&W, would be replaced if anything happened to them.


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Learjet

Louisiana

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Posted: 01/08/19 07:21pm Link  |  Quote  |  Print  |  Notify Moderator

also, MORryde pinboxs have different shear spring rating depending on the actual weight of your trailer. To be most effective you would want the correct rubber shear rating for your scaled weight.


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2015 Wildcat 317RL, MoRryde rubber pin box, Titan Disc Brakes, Trojan T105
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farmerrob

duncan, sc

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Posted: 01/09/19 05:28am Link  |  Quote  |  Print  |  Notify Moderator

The pinbox I'm looking at is rated for 11,500 lbs or less, which makes me wonder
if it will be to stiff or firm for my trailer weight.

You are correct about the $$, if it helps.

goducks10

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Posted: 01/09/19 08:01am Link  |  Quote  |  Print  |  Notify Moderator

That's the one I have for 9300lbs. My 5er initially weighed 9,000 until I added 4 GC batteries and some other items. Doubt 300 lbs matters. According to MORryde my dust mark measurements are correct. I wondered the same thing and called them.

Durb

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Posted: 01/09/19 09:14am Link  |  Quote  |  Print  |  Notify Moderator

Many people don't realize that a lighter weight trailer can chuck as bad as any other, which was my experience. I ended up replacing my Patriot hitch with a Trailer Saver TS3 which cured everything. I have a non compatible pin box so MorRyde wasn't an option, if I did have the option for four hundred bucks, I would have tried the MorRyde pin box. Realize that your current hitch and pin box are very efficient at transmitting all the trailer generated forces to your backside.

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