Welcome to the forums. Great question. I had the same question when I was trying to decide what Airstream model to buy. Study up on weight ratings as it will help you to answer the question. There are three weight ratings that you need to be aware of:
1. The gross vehicle weight rating (GVWR) of the RV
2. The gross vehicle weight rating (GVWR) of the tow vehicle
3. The gross combined vehicle weight rating (GCWR) of the tow vehicle.
The issue won't be in the pulling but in the stopping. The gross combined vehicle weight rating of the tow vehicle can be lower than the total of the GVWR of the RV and the tow vehicle. I will give you an example using my trailer and tow vehicle.
RV - Airstream Classic 30 with a GVWR of 10,000 lbs
Tow vehicle Dodge Ram 2500 with GVWR of 9,000 lbs
2005 Dodge Ram 2500 Gross Combined Weight Rating is 20,000 lbs
In my case I cannot exceed the GCWR if I do not go over the trailer and truck gvwr's.
When I was trying to decide what model Airstream to buy and what tow vehicle to buy I set up an Excel spreadsheet to ensure that I would be within the ratings.
The Escapee forums and the Good Sam forums have many threads on weight ratings. Many will argue that you can go over them. I prefer to err on the side of safety and having too much power and stopping ability rather than too little.
Having knowledge of how weight ratings affect your choice should help you make an informed decision.
Good luck and have fun in making your selection.
2008 Classic 34
Dodge Ram 2500 Crew Cab CTD