Rota-Flex King Pin to Replace Lippert 1621HD Pin Box  

I really like the Trailair Rota-Flex 5th Wheel Pin Box part #LC328330. It is a confirmed replacement for your 1621 HD pin box and has an 18,000 lb. weight capacity to cover your GVWR of 17,000lbs. Check out the linked video I made on the Rota-Flex.…

The Trailair Rota-Flex 5th Wheel Pin Box - Lippert 1621 or 1621HD - 18,000 lbs #LC328330 is 33 inches long, 12 inches wide and 7 inches from the bottom of the skid plate to the top of the farthest bolt hole.

I reached out to the manufacturer and got the specs for both the Lippert 1621 5th Wheel Pin Box #LC1191191 and the Trailair Rota-Flex #LC328330 which it is designed to replace. These pin boxes have very similar dimensions, though the the Rota-Flex…

The correct Rota-Flex pin box you need to replace the Lippert 1621HD you have on your trailer that has an 18k weight rating is the part #LC328330. This provides front to back cushioning with the cushioned pin box plate. If instead you wanted…

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…

The OEM prep package consists of 4 "pucks" in the bed of the truck that will allow you to drop in puck style hitches for easy installation and removal, that gives you a completely clear bed when not in use. The B&W Companion OEM 5th…

Hey Mark, since we know your Brinkley Z3100 has the Rhino style pin box, the correct Gen-Y fifth wheel to gooseneck adapter is the part #GY98GR which comes with the auto latch you mentioned wanting as well!

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…

Choosing the right height setting for your 5th wheel hitch is a combination of a few different variables. First of all you want your towing setup to be as level as possible. With your Montana High Country 340BH level you will want to measure from the…

Hi Eric; there won't be any fitment issues with the B&W Rails #BWRVK2505 and the Demco Autoslide #DM8550034 in your 2024 Silverado 2500. This Autoslide comes with the side plates designed for industry standard rails like the B&W…

I did some checking and the hub/drum we offer that will work for you is the part #8-430-5UC3. This uses the same bearings as the 8-415 and will be an exact fit aside from the fact this is a non-ABS setup and the 8-415 came in an ABS setup and non-ABS…

The Trailair Rota-Flex 5th Wheel Pin Box #LC328329 you linked to is a fit for the 1621 bolt pattern pin boxes so it will not fit your Lippert Rhino Box, but you have three other options that will. The first option is the MORryde Cushioned 5th Wheel…