1. Towing
2. 5th Wheel Gooseneck Adapter

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…

Hey Mark, Nope, your long bed GMC Sierra 3500 won't require the use of an offset gooseneck hitch ball with the Gen-Y Hitch 5th Wheel to Gooseneck Pin Box #GY58GR. With the gooseneck prep package you can…

Hi James, To my knowledge the Reese Goosebox is the only replacement option that won't void the frame warranty. That being said, the frame warranty is typically only a year so you really…

Hey John, The Gen-Y Hitch 5th Wheel to Gooseneck Pin Box #GY98GR has a matching bolt pattern to your Rhino Box pin box. You will want to check your 5th wheel's pin weight to ensure the 3.5K model is…

Hey Terry, from previous customers we have determined that your 2022 Alliance Valor 40V13 has a Lippert 1621 pin box on it so the correct Gen-Y gooseneck adapter would be the part #GY66FR that you referenced which has a 30k trailer capacity and a…

The instructions for the Replacement Side Plates #DM49GV which fit the Demco Autoslide 5th Wheel Trailer Hitch 18K #DM79GV or 21K #DM29GV are not very helpful. I have linked them below for your verification but the…

Hey Tommy, I wasn't totally sure what model Solitude you have but since you said it was 42.5 foot that would indicate it is a 380FL which uses the 1621 pin box. So this would allow you to use the Reese…

Thanks for the pictures and congrats on the new trailer! You are correct the Gen-Y item #GY98GR would be the correct adapter for your Jayco Eagle. This system replaces the Lippert Rhino pin box and has the extra pin weight capacity you will need. I…

The pin weight of a 5th wheel trailer will usually be around 20% of the trailer's gross trailer weight (GTW) rating. The only real way to find the loaded pin weight of your 5th wheel trailer would require…

If you check out the sticker or plate on the pin box of your trailer currently there will be a model number listed that will help us identify what pin box you have and then from there pick out the correct Goose Box. If not there is a way you can…

That's a good question, but standard bed trucks and flat bed trucks will not share the same brackets or even the same 5th wheel hitch. A flat bed truck will not have brackets available at all so you will…

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…

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…

Hey Mark, Nope, your long bed GMC Sierra 3500 won't require the use of an offset gooseneck hitch ball with the Gen-Y Hitch 5th Wheel to Gooseneck Pin Box #GY58GR. With the gooseneck prep package you…

Hi James, To my knowledge the Reese Goosebox is the only replacement option that won't void the frame warranty. That being said, the frame warranty is typically only a year so you really…

Hey John, The Gen-Y Hitch 5th Wheel to Gooseneck Pin Box #GY98GR has a matching bolt pattern to your Rhino Box pin box. You will want to check your 5th wheel's pin weight to ensure the 3.5K model…

Hey Terry, from previous customers we have determined that your 2022 Alliance Valor 40V13 has a Lippert 1621 pin box on it so the correct Gen-Y gooseneck adapter would be the part #GY66FR that you referenced which has a 30k trailer capacity and a…

The instructions for the Replacement Side Plates #DM49GV which fit the Demco Autoslide 5th Wheel Trailer Hitch 18K #DM79GV or 21K #DM29GV are not very helpful. I have linked them below for your verification but the…

Hey Tommy, I wasn't totally sure what model Solitude you have but since you said it was 42.5 foot that would indicate it is a 380FL which uses the 1621 pin box. So this would allow you to use the…

Thanks for the pictures and congrats on the new trailer! You are correct the Gen-Y item #GY98GR would be the correct adapter for your Jayco Eagle. This system replaces the Lippert Rhino pin box and has the extra pin weight capacity you will need. I…

The pin weight of a 5th wheel trailer will usually be around 20% of the trailer's gross trailer weight (GTW) rating. The only real way to find the loaded pin weight of your 5th wheel trailer would…

If you check out the sticker or plate on the pin box of your trailer currently there will be a model number listed that will help us identify what pin box you have and then from there pick out the correct Goose Box. If not there is a way you can…

That's a good question, but standard bed trucks and flat bed trucks will not share the same brackets or even the same 5th wheel hitch. A flat bed truck will not have brackets available at all so you…

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…