My wife and I have been driving team in our '07 Hino 338, and have almost 500k on her. She's been a good little truck. Good on fuel, we get 10mpg loaded, including what the APU burns, with the Allison 5 speed.
I was surprised at how fast the original tires started cupping, but we changed to the Yokohama all postion tires on the steers, rotate them side to side every 70k, we got 210k out of our last set of steers.
The front brakes were a little weak when we got the truck, and eventually started popping, turned out the front brake shoe ends needed never-seez on the pivots points, and the stopping power improved and the popping went away.
Most of our loads are under 3000# and two or three skids. I've got a friend who swears he needs a class 8 truck to haul that, he's a great guy, but he also thinks he needs a dually pick up to go get groceries when he's home. He's got a Sterling auto, and when he's honest, he'll admit he gets 8 to 8.5 mpg when he slows down. Class 8's are nice trucks, but we're not hauling 45,000# of potatoes over the Rockies. We're hauling small, light freight east of I35. We do go through WV, and even with the rare 7-8,000# load, we're not the slowest truck going up the hill, and over heating hasn't been a problem. I do take off the foam trim around the top of the radiator and pressure wash the radiator, cooler, and trans cooler twice a year, but overheating hasn't been a problem.
I've run synthetic in her since new, and she does drink a half gallon around 10k, but not a drop up to 9,000, and not a drop after 11,000 on up to 16,000 to 20,000 when I change the oil. I have no reason not to believe this truck will have 1 million miles on her before she needs a new engine. I've had 2 Freightliner Centurys, 1 M2, one FL70, one International 9400, and this Hino. We don't live in a perfect world, hair turns gray, trucks break down, but this Hino has been the most reliable truck I've owned, and is more than capable of expediting freight.