All I got to say is thank God we don't pull trips here. Also is that a Mack? Yikes good luck going up hills. International or nothing for me.
That looks like an International, they pull hills well but you don't want to bobtail anyplace with one, not even across a bumpy yard. Most of the Mack visions and pinnacles pull hills well. All the new stuff is setup to run about 1200 rpm at 65, so when you hit a hill you're not in the peak torque curve and end up dropping a gear, where I am we've got Macks, KWs, Sterlings and all kinds of rentals, had a new Pete, w/53000 miles, was the same thing.