Fifth Wheel to Gooseneck Adapter that Fits in Place of Rhino Box Rota Flex  

Thanks for the picture! That is exactly what I need to confirm what pin box your Forest River Shasta Phoenix 28RB has. I just spoke with my rep at Lippert and you have a 1621 pin box with an 18,000 lbs capacity. You will want the Gen-Y Hitch 5th…

Thanks so much for including pictures of your setup! We confirmed that the brackets that you have for your provided serial number correspond to a 1621 Lippert bracket. With this bracket setup and the fact that you are going to add additional…

Yes, we would just need to know the bolt pattern of your 5th wheel's pin box to determine the correct replacement gooseneck pin box. For example, if you had a 1621 bolt pattern (most common) then you would need the Gen-Y Hitch Shock Absorbing…

Installing ta Gen-Y Hitch Shock Absorbing 5th Wheel to Gooseneck Adapter Pin Box like the #325-GH-8045 would not void the warranty of your camper, and Gen-Y makes some of the most durable parts on the market. I really like this as an alternative to…

The Reese Goose Box #RP85FR air ride coupler you referenced does not come with safety chains. Safety chains, such as the Tow Ready #49150, are always a good idea whether they are required or not. I highly recommend checking with the local and state…

Your 2018 Dutchmen Voltage 3605 5TH wheel toy hauler has the mounting bolt pattern for a 1621HD Pin Box #LC1191151. You need the Reese Goose Box #RP85FR to allow you to use your gooseneck ball to tow your Voltage. The maximum GVWR is 20,000lbs with a…

A Reese Goose Box 5th-Wheel-to-Gooseneck Air Ride Coupler Adapter like #RP85FR will give you about the same clearances as a 5th wheel hitch with a standard pin box. The newer trucks with the slightly higher bed height have not been an issue with…

The 2020 Dutchman Voltage toy hauler you have has a Lippert 1621 Rota Flex pin box on it so the Goose Box part #RP85FR that you referenced would be the correct fit.

I have another option for you, but using a Reese Goosebox like the Reese Goose Box 5th-Wheel-to-Gooseneck Air Ride Coupler Adapter - Lippert 1621 and 0719 - 20,000 lbs #RP85FR and using a 4" offset gooseneck ball will not allow you to make very…

You can replace the king pin on your fifth wheel trailer with a Goose Box. To find the right replacement you need to know what pin box is currently installed. For example, if you have a Lippert 1621 pin box you would replace it with part #RP85FR.…

The Reese Goose Boxes like the 20K Air Ride #RP85FR referenced in your question are pin box specific. This means they are designed to replace specific pin box models on the trailer so you will want to first make sure that it will be compatible. This…

The Reese Goose Boxes are pin box specific. The Reese Goose Box 5th-Wheel-to-Gooseneck Air Ride Coupler Adapter - Lippert 1621 and 0719 - 20,000 lbs, part #RP85FR, is a direct replacement for the Lippert 1621 and 0719 pin box. The other Reese Goose…