Tyre Blowout

This is why the best tyre is put in pos 1.

Demounted Tyre

Tire Failure

Sent in by  reader this week. I don't think I've ever seen a tire failure like it. From the email:

The picture shows a tyre failure on a chinese Triangle tyre mounted on a CAT740 at Leuwpan Coalmine in South Africa. The reason for the failure is poor tyre quality.

Hole Punch

How do you punch a perfect hole into a truck tyre? Like this:

This was done by the Hope Downs mine, on one of their 777 water trucks.