6842 is the brochure dry weight. The actual delivered weight will be a few hundred pounds higher. Brochure weight is notoriously inaccurate because it does not include any options or accessories. Delivered weight will be 7200-7300 lbs.
Beware you need to do more homework and understand the towing parameters. There are more ratings to consider than just the tow rating. Pay attention to your payload and axle ratings.
You need more research it appears the trailer is too much for you TV. Proceed with caution. Buying too large of an RV can be a long term costly mistake.