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Open Roads Forum  >  Fifth-Wheels

 > Morryde Rubber pin box

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guinness1

Michigan

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Posted: 01/31/21 05:32pm Link  |  Quote  |  Print  |  Notify Moderator

I am anxiously awaiting my new fiver, GD Reflection 337. I would like to upgrade the pin box right away. I have heard many good things about the Morryde Rubber Pin Box. I am interested to hear more testimonials. My trailers expected GVWR is 13995. Morryde has two sizes of the pin box, one is for up to 14000 and one that is rated for 14001 to 18000. Which one do I choose? I also heard there is a possibility of voiding the frame warranty by installing certain pin boxes. All replies are most appreciated.


2012 Coachmen Chaparral 330FBH
(2021 GD Reflection 337RLS coming soon)

(2021 Sierra 3500HD DMax SRW LB - on order)


azdryheat

Tucson, AZ

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Posted: 01/31/21 07:43pm Link  |  Quote  |  Print  |  Notify Moderator

Get the heavier pin box for future, heavier trailers.


2013 Chevy 3500HD CC dually
2014 Voltage 3600 toy hauler
2016 RZR 900


Second Chance

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Posted: 01/31/21 08:40pm Link  |  Quote  |  Print  |  Notify Moderator

The MORryde is an excellent pin box - that's what's coming on the new Solitudes and Momentums. The pin box will not affect your frame warranty since that is the pin box Grand Design is installing on their units, anyway. As you stated, the GVWR of the Reflection 337 is 13,995 lbs. I'd call MORryde and have a conversation with them about which model since your RV is right on the borderline. MORryde is most helpful. I think the model up to 14K will do fine and will likely give you a better ride. The higher rated one might be too stiff. I love our MORryde pin box (and loved our Reflection 337 which we were full time in for 4-1/2 years).

Rob


U.S. Army retired
2020 Solitude 310GK-R
MORryde IS, disc brakes, solar, DP windows
(Previously in a Reflection 337RLS)
2012 F350 CC DRW Lariat 6.7
Full-time since 8/2015


bucky

Raleigh metro

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Posted: 02/01/21 03:47am Link  |  Quote  |  Print  |  Notify Moderator

I called Morryde about this very thing on our 14000 GVWR 5er. She said the 11.5K-14K is the correct one to use. In our case it was a 1621HD-4.


2005 Cummins 3500 2WD LB quad cab dually pulling a 2014 Blue Ridge 3025RL


southernsky

Ponchatoula La.

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Posted: 02/01/21 04:42am Link  |  Quote  |  Print  |  Notify Moderator

Spend the extra money and get you an air ride pin box. We have a Reese 5th Airborne.


2019 Ram 3500 Laramie DRW Crew Cab 6.7 H.O. CTD 4X4
2016 Grand Design Solitude 369RL 5th Airborne


Roger10378

Goodrich, MI.

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Posted: 02/01/21 06:55am Link  |  Quote  |  Print  |  Notify Moderator

Every truck-trailer combination is different. I put the Morryde on mine and it works great most of the time. There is a section or I-69 near Lansing that makes my truck and trailer buck like crazy. In that location an air ride pinbox would be better.
The Morryde is great at removing lateral forces. It doesn't do anything for vertical forces. I would not get in a hurry to replace your pinbox until you get some miles under your belt. Then you will know what you need.


2005 Cardinal 30TS
2007 Chevy 2500HD D/A

ford truck guy

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Posted: 02/01/21 08:04am Link  |  Quote  |  Print  |  Notify Moderator

I've had regular pin boxes, Fifth Airborn air, Lippert Tri-Glide , Lippert Flex-air, and now the Morryde pin box

In my opinion, the Morryde has given me the best tow hands down.


Me-Her-the kids
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2020 Redwood 3991RD Garnet


WE CAMP2

Petrolia, On. Canada

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Posted: 02/02/21 03:23pm Link  |  Quote  |  Print  |  Notify Moderator

My trailer (Cameo by Carriage) came from the factory with the Morryde pin box and I love it!


2017 F250 CC SB PSD & 2008 Cameo 5'er


lenr

Indianapolis, IN

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Posted: 02/02/21 04:35pm Link  |  Quote  |  Print  |  Notify Moderator

There are actually 4 ratings of the MORRyde pin box. Under 11.5K and over 18K are also sizes. The 4 sizes are primarily just different sizes (and maybe stiffness) of the rubber block inside. Going with too large a size wouldn’t dampen much chucking. Going with too small might allow the mechanism to bang up against its stops. Going from memory it moves about 3” back and forth and 1.5” side to side. We started with the under 11.5K for our small 9400 lb trailer. It has an 18K weight rating sticker on the metal even thought it came with the <11.5 block. It reduced chucking by about 50%, but it was a distinct improvement. Next we replaced the Lippert Equa-Flex cushioned leaf spring equalizer with the MORRyde SRE4000 rubberized equalizer. Night and day difference! Chucking was 99.9% gone—not reduced, but gone. As a side bonus, I’m sure the trailer itself was getting a much smoother ride. So, I don’t know how much chucking would be gone had we done the equalizer first, but the pin box is an inexpensive, simple, way to make an improvement. It also helps when hitching up—if not properly aligned as I back up, the pin can just shift to the side. When we moved up to a 12.7K trailer, I ordered the 11.5 to 14K block from MORRyde, and changed it out myself. It does take two strong folks to change out the box—the MORRyde has a lot of metal in it.

Learjet

Louisiana

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Posted: 02/02/21 06:58pm Link  |  Quote  |  Print  |  Notify Moderator

Happy with the Mor/Ryde pin box...my trailer scaled at 12,000 lbs. Mor/ryde rep. steered me to the 11,501 to 14,000 rating.

Happy Camper!


2017 Ram Big Horn, DRW Long Box, 4x4, Cummins, Aisin, 3.73
2015 Wildcat 317RL, MoRryde rubber pin box, Titan Disc Brakes, Trojan T105
B&W Ram Companion

Yamaha EF2600c tri-fuel generator
Champion Model 46595- 3000/3500w


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