I just towed a 1,200 lb U-Haul trailer with a 2,000 lb Bobcat Mini Skid steer on It with my AWD / Ecoboost / FX4. It has absolutely zero problems, even though it was technically over GVWR by 1,200 lbs and didn't have a brake controller for being over 3,000 lbs.
I gotta say, I've been back and forth between the XLT FX4 and XL Hybrid. My XLT FX4 is coming in soon, but I think I'll order a Hybrid XL and do this. It just looks really good and I can live with a few MPG loss. Might go a little less aggressive on the tread, but it's a good look, and it'll...