Retired JSO wrote:
Have not been across a scale. However, I towed this trailer with a 2013 1500 Chevy Z-71 and had better luck as far as level but lacked the ump to get it passed 4th gear.
I'll just say this, you're not alone. If you mention the words "Super Duty" and "Sag" over in the truck forum then you'll get a pretty lively discussion lol. If you're going to stick with the hitch then it wouldn't be a bad idea to head by a scale to verify your numbers. You could just need some help back there or you could actually have a problem. You really don't know unless you have some scale tickets.
Based on the dry weight and tongue posted earlier, it looks like you're running a 16 percent tongue. That's on the heavier end of tongue weights. An easy fix would be to rebalance the trailer so that you're running closer to 13 percent. That would give you a dry tongue that's under 1,000 lbs, which could fix your problems without much effort.