Am I understanding hitch weight correctly

[Quest]

I am looking at a Rockwood A122S. UVW is 2120 and Hitch is 284. I believe that is the dry hitch number. If I was to fill both propane bottles (37x2) and add 2 lithium batteries (26x2), I believe the hitch then becomes 410 and is no longer in the range if the Broncos capabilities.

Also thinking if I only fill 1 tank, have 1 battery on the hitch when I travel, and keep the second battery in the trailer, I'd be at 347 and ok.

Is my logic off or I'm missing how this works?

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[bronco_billy]

I am looking at a Rockwood A122S. UVW is 2120 and Hitch is 284. I believe that is the dry hitch number. If I was to fill both propane bottles (37x2) and add 2 lithium batteries (26x2), I believe the hitch then becomes 410 and is no longer in the range if the Broncos capabilities.

Also thinking if I only fill 1 tank, have 1 battery on the hitch when I travel, and keep the second battery in the trailer, I'd be at 347 and ok.

Is my logic off or I'm missing how this works?

Your logic is solid with a couple of other things to consider. You also need to factor in the hitch that you are inserting into the receiver. I had similar concerns with my set up, so I purchased a Sherline hydraulic trailer tongue weight scale. This takes all the guesswork out of estimating what the weight is at the tongue. One other thing to consider is also how you load the trailer. Putting more weight to the middle of the trailer and towards the back will help offset some of the tongue weight. Sidenote, and this is just me, I’m a little over 400 pounds at the tongue all in. I’ve had absolutely no issues towing. I do, however, have electric brakes on my trailer, which is something else to consider. Good luck!