Adding 6-8 inches to the length of the ball mount setup of the vehicle would not cause any issues. Especially for as heavy duty of a vehicle you have with your 2021 Ram 2500 and the relatively lightweight trailer you have compared to the capacity of your tow vehicle. view full answer...
I do have one recommendation as your 2022 Land Rover Discovery is not recommended for using a weight and sway distribution hitch.
For your receiver it is important to determine how much drop or rise there is between your Land Rover and your 2021 Airstream Caravel 16RB. I recommend the Curt Rebellion XD Shock Absorbing Adjustable Ball Mount # C83WR as this is a shock absorbing hitch. It will help to reduce the road shock and jerking that you get with a standard ball mount. The ball is... view full answer...
I do have an option but the AirStream trailers don't use standard 4" x 4" bumpers so in order to use a cargo carrier you'd have to install a trailer hitch, I recommend the Adjustable Width Trailer Hitch Receiver for RVs part # 13703. The 24x60 etrailer Cargo Carrier part # e98874 could then be used for two generators no problem such as the Champion Dual Fuel Inverter Generators w/ Parallel Kit - 7,000 Running Watts # CH49FR (place exhaust facing outward). view full answer...