.
Michelin's new Kennecott City Grip:

Okay, almost. It is one of six tires their ore haulers move on. Each runs about $25,000 and lasts about nine months. So, what are we complaining about?
To understand the sizes, check this sequence out:

I guess you have an idea how big this truck is.

Now you get an idea how big one of their ore haulers is.

And now you see that they have even bigger haulers, like the one in the top right of the picture.
Finally, you may now understand why I wanted to take a picture of my GTS in front of one of those giants. Unfortunately, they don't allow PTW on their grounds, and even if they did, I could not have gotten even close to their monsters. These pictures were taken with a 300mm lens!
Not bad for a second wedding anniversary trip, huh? Puts things nicely into perspective on how much room we still have to grow