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Upgrade the air-ride pin box on your fifth-wheel trailer to this cushioned model that requires no maintenance, unlike pin boxes with air bags. Rubber spring dampens road shock and reduces back-and-forth chucking for a relaxed towing experience.
Features:
Specs:
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.
Pin boxes with internal air bags require consistent maintenance to maintain the proper air pressure and ensure there are no leaks. Because this unit uses a rubber spring instead of an air bag, there's no maintenance required.
The internal rubber shear spring in this pin box is optimized for trailers that range from 18,001 to 24,000 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.
Chucking, the back-and-forth jerking movement you feel in your cab when towing with a standard pin box, 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.
This MORryde pin box is a direct replacement for your existing Lippert 1621SHD Trailair 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 your pin box.
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.
Alternate Instructions
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Hello, everybody. This is Jeff etrailer.com. Today, we're gonna take a look at this MORryde cushioned 5th wheel pin box for the Lippert 1621SHD Trailair pin boxes. Now, this is built for trailers that have a gross vehicle weight rating of 18,000 to 24,000 pounds. This is a nice cushioned pin box that will replace your current one, to give you a lot smoother towing experience. And as we mentioned, this is designed to replace the Lippert 1621SHD Trailair pin box.
This'll let you enjoy a nice chuck-free, jerk-free ride, thanks to the rubber shear spring that's on the inside. Basically, that rubber shear spring will help reduce back and forth chucking. It'll absorb any jarring movement at the connection point. And it dampens up to 1 1/2 inches of side to side movement, and up to three inches of front to back movement. I do wanna zoom in just to show you where that shear spring's located.
You won't be able to see it, but basically it's right up under here, centered right above the king pin. And that rubber shear spring will help dampen the transmission of forces from the 5th wheel to the vehicle. Makes your starts and stops jerk-free. And also what's nice, it requires less maintenance than some of the air-filled spring model pin boxes that are out there. It will give you the same king pin location as the original manufacturer to reduce stress on your trailer frame.
And this is a nice, fast, easy bolt-on installation. What you wanna do is when you do install this, you want to make note of the bolt hole locations of the factory pin box because you wanna mount this pin box in those same hole settings using the existing factory hardware. This does exceed the CSA standards. It is made in the USA. Application, again, this is for 5th wheel trailers with 18,000 to 24,000-pound gross vehicle weight rating.
Total weight capacity on this pin box is 24,000 pounds. But you do want to remember that the pin box capacity will not change the overall gross vehicle weight rating of your trailer. Last thing I want to give you is a few measurements. The width on this, outside the outside on the pin box, it's right at 12 inches. And then we're gonna measure from the center of the king pin to the center of the front row holes, and in the center of the king pin to the center of the back row holes. I did make a markup here that we're gonna use that sort of center of the king pin is. And if we go right there to the front row is 19 3/4 inches. That's to the center of the front row of holes. And then if we go from there, it's gonna be right at 27 5/8 inches to the center of the back row holes. But that should do it for the review on the MORryde cushioned 5th wheel pin box for the Lippert 1621SHD Trailair pin boxes..
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