5th Wheel Pin Box - Leland 7921

I spoke with my contact at Trailair and from your serial number we were able to determine that your trailer came with a 1621 HD pin box which is a long pin box style. I was unable to obtain the exact part number for your Trailair pin box but from the…

You will have to go with a sliding hitch to allow the trailer to make tight turns. For a trailer 8 feet wide the only bed length that's going to allow 90 degree turns without a slider is a stationary hitch. That being said you have two options.…

There should be a sticker or plate on the pin box itself that lists the manufacturer and model of the pin box. If it is not present then there are some measurements you can take to determine the model of the pin box. I have included a link that…

The manufacturer and model number of the pin box is usually printed on a sticker or stamped into a plate or directly into the metal of the pin box. If you can't find that, the manufacturer of your 5th wheel should be able to tell you which pin…

Because it's lighter, less expensive, has fewer moving parts and is mechanically less complicated I'd recommend going with the Gen-Y #325-GH-8040 shock absorbing pin box versus a Trailair Flex Air like part #LC328492. The Trailair features a…

Only certain B&W Companion 5th wheel trailer hitches are compatible with Sidewinder pin boxes like the RP61412. Basically if it is a Companion that mounts in the 4 pucks of a factory prep package then it can be used with a Sidewinder. But if the…

When adjusting the height of a pin box such as #LC1191191 it is important to support the pin box when removing the bolts. I recommend 2 or 3 buddies to give you a hand and make sure no one is beneath the pin box while raising or lowering it. With the…

Hey Tom! The MORryde Cushioned 5th Wheel Pin Box is an awesome system and will greatly improve your towing experience. Based on the sticker you have a Lippert 1621 pin box. Also, thank you for providing the GVWR of your 2018 Heartland Pioneer PI287…

Hey Paul, we have great hitch solutions for the OEM pucks of your 2024 Ford F-350 short bed but whether or not you need a slider hitch is going to be based on the design of the trailer you plan to tow. Normally with a short bed truck you need a…

So for your set up, a 2021 Ram 2500 short bed with the RamBoxes, you will need to use a Sidewinder in order to have the clearance to tow a 5th wheel. The Goose Box doesn't move the pivot point and an offset ball just won't be enough for…

Hello Shane, Great question, and I am going to need you pin box number to ensure we are getting you the right part number. If you are unsure of your pin box number, please feel free to send me the information off of the sticker on your current Pin…

I do have a recommendation as based on your Dimensions it sounds like you have a Fabex 750 style pin box. Currently the Trailair Air Ride 5th Wheel King Pin #UF35-946212 is our only product that will bolt to this old pin box bolt pattern. To go to a…