proving a negative is always difficult.
But from what little research i've done, the front suspension can be swapped from Sequoia to LC for "more travel." The steering/front diff/etc... largely the same. Basically, I'd argue "same platform" from the A-pillar forward.
Plus, the LC has a smaller...
Ironically, I disliked that comment, to be honest. It implies that there's something inheritably special about the LC that hasn't really existed in quite some time. Some will say it's the best off-road vehicle ever, but since taking on the sequoia/tundra components, it's not hugely different.
you'll get a lot of answers... and all will be different.
Personally, I agree that you're cutting it close, especially after loading up truck and camper.
Even if it "can," I'm not sure that I "would."
Towing my xtracab with my 2015 Tundra was much more work than towing it with my f350...