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  1. Fifth Wheel King Pin
  2. MORryde
  3. Lippert 1621SHD
  4. 23000 lbs GTW
  5. Upgraded Pin Box
  6. Reduces Chucking
MORryde Cushioned 5th Wheel Pin Box for 18K to 23K Trailers w/ Lippert 1621SHD

MORryde Cushioned 5th Wheel Pin Box for 18K to 23K Trailers w/ Lippert 1621SHD

Item # MR24VR
Our Price: $799.99
You Save: $314.07
Fifth Wheel King Pin
Shipping Weight: 190 lbs
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Upgrade the factory pin box on your fifth-wheel trailer to this cushioned model that dampens road shock and reduces back-and-forth chucking for a more relaxed towing experience. Unlike air bags, the internal rubber spring requires no maintenance. 1-800-940-8924 to order MORryde fifth wheel king pin part number MR24VR or order online at Free expert support on all MORryde products. Great prices and Fastest Shipping for MORryde Cushioned 5th Wheel Pin Box for 18K to 23K Trailers w/ Lippert 1621SHD. Fifth Wheel King Pin reviews from real customers.
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  • Reviews (138)
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MORryde Fifth Wheel King Pin - MR24VR

  • Lippert 1621SHD
  • 23000 lbs GTW
  • Upgraded Pin Box
  • MORryde
  • Reduces Chucking
  • Fixed Turret

Upgrade the factory pin box on your fifth-wheel trailer to this cushioned model that dampens road shock and reduces back-and-forth chucking for a more relaxed towing experience. Unlike air bags, the internal rubber spring requires no maintenance.


  • Cushioned pin box replaces your factory model for a smoother towing experience
    • Provides a more relaxed and comfortable ride when hauling your trailer
    • Limits the stress put on your trailer during long road trips
  • Rubber shear spring absorbs and dampens road shock and vibration
    • Reduces back-and-forth chucking while towing over uneven roads
    • Helps eliminate jerking when starting and stopping
    • Requires no maintenance, unlike internal air bags
  • Internal glide pads allow the skid plate to shift forward and backward and side to side
    • Allows for smoother maneuvering
    • Also helps to reduce chucking
  • Bolt-on installation no drilling required
    • King pin sits in same location as factory king pin
  • Made in the USA


  • Application: 5th-wheel trailers with over 18,000-lb GVWR (maximum loaded weight)
    • Designed to replace Lippert 1621SHD pin box
  • Pin box weight capacity: 23,000 lbs
    • Do not exceed the GVWR that is listed in your trailer's manual
  • Spring capacity (for optimal ride): 18,001 lbs - 23,000 lbs
  • Fore-and-aft movement of skid plate: up to 3"
  • Side-to-side movement of skid plate: up to 1-1/2"
  • 3-Year limited warranty (or 70,000 miles)

Rubber Shear Spring Absorbs and Dampens Road Shock

Most standard pin boxes are constructed of steel and are built with the sole purpose of connecting your fifth-wheel trailer to your tow vehicle. There is no cushioning built in, so a factory pin box doesn't do anything to provide a comfortable ride when you're hauling your fifth-wheel trailer.

This MORryde pin box, however, is built with an internal rubber spring that absorbs road shock and vibration at the connection point. So if you're driving on unpaved roads or uneven pavement, this pin box will prevent any road shock and vibration you encounter from transferring from your tow vehicle to your fifth-wheel trailer and vice versa. In other words, the rubber spring takes the brunt of the impact so you and your towing setup don't have to. And because this unit uses a rubber spring instead of an internal air bag like some other upgraded pin boxes, there's no maintenance required.

The internal rubber shear spring in this pin box is optimized for trailers that range from 18,001 lbs to 23,000 lbs to ensure that it provides just the right amount of shock absorption for your application. If this pin box were to be used on a larger trailer, the spring would be too stiff to provide enough cushion. And if your trailer's GVWR was less than 18,000 lbs, then the spring would be too flexible to provide adequate support.

Less Chucking for a Better Ride

Chucking, the back-and-forth jerking movement you feel in your cab when towing, occurs most frequently during starts and stops and while making turns. A typical, factory pin box creates a rigid connection without much give. So when a harsh stop occurs, all of the trailer's forward momentum gets forced through that stiff connection, slamming the king pin in the hitch and jerking your truck around.

To combat this, glide pads are built into the MORryde pin box that allow the skid plate to shift up to 3" forward and backward and 1-1/2" side to side to compensate for some of that violent motion so that you don't have to feel it in your cab.

Bolt-On Installation

How To Install MORryde Pin Box

This MORryde pin box is a direct replacement for your existing Lippert 1621SHD pin box, so the installation is very straightforward. After removing your old Lippert pin box, the MORryde can be mounted into place using the same hardware and bolt holes used by the factory pin box.

MORryde Pin Box Bolt-On Installation

Because of the weight of the unit, you'll want a couple of friends to help you lift it into place during installation. Once the hardware is securely bolted down, you'll be ready to go.

RPB72-1621SHD-06 More Ride Fifth Wheel Rubber Pin Box Replacement for Lippert 1621 SHD - Over 18,000 lbs GVWR

Installation Details MR24VR Installation instructionsAlternate Instructions MR24VR Installation instructions

Customer Satisfaction Score:

Customer Reviews

MORryde Cushioned 5th Wheel Pin Box for 18K to 23K Trailers w/ Lippert 1621SHD - MR24VR

Average Customer Rating:  4.8 out of 5 stars   (138 Customer Reviews)

Upgrade the factory pin box on your fifth-wheel trailer to this cushioned model that dampens road shock and reduces back-and-forth chucking for a more relaxed towing experience. Unlike air bags, the internal rubber spring requires no maintenance.


I have not installed this part on my 2021 momentum 395MSR yet, but it was received in perfect condition. I had the same pin box on my Solitude390RKR and loved the way it handled. If the part does not perform as expected once installed and after I have some miles behind it i'll update my review.



Makes a huge difference in ride and works perfectly.

Etrailer Expert

Mike L.


@Jrm Awesome, glad to hear that!


Replaced the stock Rotoflex pin box on my 2020 GD Momentum toyhauler. What a difference! No more chucking and the ride is so smooth it's easy to forget I'm pulling 20K lbs. Easy to install with a little help.


Replaced my RotoFlex with this unit because I had some bothersome jerking when stopping, and really bad at times when starting. I had this problem since bought trailer in 2017. I only recently discovered it was a combination of my Curt Q25 and the rotoflex. It was dealer installed and they never read the fine print on the Curt Q25 that states not compatible with rotoflex. I only recently discovered this when I was looking in the Curt manual to see if there was something I should check for the issue and came across the Note. It should be a big warning. I checked and found that the MORryde was a direct fit and had very good reviews. I do recommend using new bolts, nuts and cinch washers. Well, I changed today and drove 25 miles in town and on expressway, BIG difference. I would recommend to anyone looking to upgrade to a quality unit.


Excellent 5th Wheel Pin. We can't even feel the RV behind us.


Delivery was right on the day promised. We got the old one off and this new pin box went right on with no issues. We had a wonderful experience from ordering to receiving. I highly recommend to order from these folks.


It seems to be ok, installed it yesterday, went ok, it took a while to get here.


Great ride when pulling my camper takes out almost all the chucking. Highly recommended.


great product. it's made a difference in the ride & towing of our 43' toy hauler. highly recommended...


Used it today for the first time great ride.



Best move I ever made


Camper rides worse than before. Would like to have old pin box bask.


From start to finish the service was ABSOLUTELY wonderful!


quick delivery and great product





This cushioned pin box is definitely worth the upgrade. Chucking is greatly reduced (There's no getting totally away from it) and the frequency of the chucking is tempered making the ride much more pleasant. There are times when you forget your towing it's so smooth on decent stretches of road. Delivery was quick (3 days early as a matter of fact) and driver dropped it in my garage. Plus the fitment was perfect, bolted on with no problem. Entire experience was good !!


After talking to your customer support staff and picking out the right pin box, I ordered it the next day on line. Shipping was fast and it arrived in good shape. The Pin box came with all the bolts and Hardware, it took about an hour to install on my 2024 Momentum M class RV. I took it for a 2-hour road trip and you cannot believe the difference in the ride. I am never disappointed when I deal with etrailer.


Fit perfect on my Grand Design Reflection 303RLS. Will be taking a long trip very soon and will let you know how it performs.


While not yet installed thought it worth commenting on the experience thus far - in a word “excellent”. Package was well packaged, the transporter was awesome and kept us informed of his delivery schedule, given the weight of the shipment.
Bottom line, the process to date has been outstanding and would highly recommend using etrailer for your rv needs.


The hitch is great. The fact that etrailer only offered one shipping method was disappointing. Upon placing the order, requested a faster more reliable shipping method. This was not an option. The item arrived the Thursday after the estimated Monday delivery. Tracking proved that the item sat in warehouse depots for 11 of the 14 shipping days. This was very frustrating.


Installation instructions were very good! It fits perfectly.
Beware when ordering a part this heavy, the shipper only delivers to the curb.


(Mrs. Brinkley) Our New Brinkley Z2900 couldn't be happier with Her new Pin Box from MORyde, the Chucking is a lot less noticeable and my F350 doesn't have to take the punishment either. Thank you etrailer and your support in helping me find the appropriate pin box need in our application. hope this helps others with the he most obvious decision if they want to improve their ride.


Towing our 36' toy hauler with this pin box is much less jarring than the original pin box. It definitely isolated the movement of the trailer from the truck.


Freaky fast delivery!! Lol you must be eating jimmy John's.
I can confirm it fits a 2010 jayco eagle. 351 rlsa.
Although it's a 11k to just uner 15k gross the 14k to 18k rating shuld do well.
Thanks for the chat input in researching my choices.


This is an excellent pinbox and hopefully I’m saving some wear and tear on my trailer. We have a Superglide auto slide hitch and the Morryde adapter sure beats the capture plate I had before. No more chancing a broken foot when it accidentally falls off.

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Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Jeff D
Installed by:
Jeff D
Employee Jameson C
Expert Research:
Jameson C
Employee Kathleen M
Updated by:
Kathleen M
Employee Leah S
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Employee Dustin K
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Employee Chris R
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Employee Mike S
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