Robb235
Senior Member
I've towed the uHaul 6x12 completely packed with heavy furniture and boxes from south Georgia to Chattanooga. I didn't have to climb or descend any mountains, yet I was still glad I had the 231mm Tundra Brake Upgrade. That is a must, in my opinion, especially going across country.
I would also find a way to monitor transmission temps, whether it's with a Scangauge or a smartphone app. You don't want to overheat your transmission.
Make sure the front end of the trailer has the heaviest stuff. I thought I had loaded the front end of the trailer heavier, but then we were trying to cram as much stuff into that trailer as we could, so I guess it got heavier in the back. It swayed if I went at all over 55mph. Kind of spooky the first time it happened.
Make sure your tires, especially your rear ones, are pumped up to the max rated pressure listed on the sidewall. You may be surprised at how fast your gas gauge drops while towing. I went from getting 21-22mpg on the highway, to 13-14mpg towing the 6x12.
It may be worth it to put air springs in the rear, especially if you have rear sag issues already. Part of my trip was on south Georgia country roads, and I scrapped pretty good crossing some railroad tracks. My T4R with the '99 tall coils sags in the rear, and obviously with a heavy trailer it just made it that much worse, as I was literally dragging ass the whole way. Airbags in the rear springs would have been nice to level things out.
Do not do this!!
Ummmm.. don't do what? Don't keep proper inflation on your tires? You do realize that the max psi listed on your tires are for when you have heavier loads on them, right?