What is the Width of Trailair Flex Air 5th Wheel Pin Box # LC328492 Where it Bolts to the Trailer

Question

Question:

I am wondering what the width of the pin box is where it is bolted on

asked by: Ron R

1

Helpful Expert Reply:

Trailair Flex Air 5th Wheel Pin Box # LC328492 has the same width as the pin box it is meant to replace (Lippert 1621 pin box) which is 12 inches wide (outer width). I have linked a video covering the features of this pin box for you.

expert reply by: Michael H

1

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Answer 1

The 1621 and 1621HD OEM pin box both have the same bolt pattern, so since your 5th wheel will max out at 14K, you can certainly use the 18K Trail Air Flex Air, part #LC328492. According to Lippert, when the Trail Air Flex Air is fully inflated, the…

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Answer 2

Since you are concerned about dips, RRs, and bumps in curves, I recommend using a shock absorber like #LC283271 or #LC281281 on your 5th wheel trailer. You stated the mounting hardware is already in place, so adding shock absorbers should be easy and…

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Answer 3

The Curt Flex Air 5th Wheel Pin Box part #LC328492 is 11-7/8" wide per Curt. The pin box brackets on the trailer should have an inside to inside width of 12". This leaves about a 1/16" gap on either side which is completely normal. If…

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Answer 4

In order to choose the correct Trailair Flex Air pin box like the #LC328492, or any other pin box for that matter, is by checking the spec sticker on the current pin box for a model number. We don't have a database that tells us what pin box is…

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Answer 5

The MORryde Cushioned 5th Wheel Pin Box for 14K to 18K Trailers w/ Lippert Rhino Item #MR83QR is the replacement for your Lippert Rhino pin box.

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Answer 6

The Lippert 2420801 hub is an 8k hub with an 8 lug bolt pattern so for a replacement you'd just need the part #8-285-10UC3-A.

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Answer 7

Great question, Jeff! When the Rota-Flex first came out it renovated what a pin box could do and be, but at this point in time that technology is a little more dated and the Gen-Y Hitch Shock Absorbing 5th Wheel Pin Box #325-GH-8040 is the "new…

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Answer 8

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…

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Answer 9

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…

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Answer 10

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.…

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Answer 11

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…

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Answer 12

Trailair Flex Air 5th Wheel Pin Boxes, such as the Lippert #LC328492, are designed to replace the existing pin box on your trailer. The long and short jaw models that you referenced in your question simply refer to the type of pin box that the unit…

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What is the Width of Trailair Flex Air 5th Wheel Pin Box # LC328492 Where it Bolts to the Trailer

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