My 2 cents: find out the RAWR & tire load ratings of your Tundra and see how much, if any, you'd be over your ratings.
You likely need a heavier-duty truck but I'd still find those #s for the sake of being thorough.
If you aren't over on RAWR or tire ratings then you kinda have a tough call to make.
Some believe GVW is gospel; many, including guys who haul commercially, go by axle & tire ratings.
Depends which school you subscribe to.
If you'll be over on the axles or tires, it's a no brainier...time to go to a 2500 or 3500 series truck.
