I have a 1/2 F150 and tow a WW Superlight....even fully loaded it can pull it pretty good. NOW, on big hills and whatnot, it does struggle. With that said, I always stay in the far right lane (even the truckers lane going up Baker Grade) and will also pull to the side if some REALLY needs to pass and doesn't have the room, but going up hill while struggling, pulling off only F's me and my momentum up. I used to have it floored with the RPM's pinged at 5500-6500 (up hill) but learned my lesson one time coming back (blown up piston and had to get a new block), so I watch it. Like Pete said, not all of us can afford a nice deisel truck that can handle anything. We deal with what we have....