The first ten wheels belong to the tractor. It tows a semi trailer, which usually rides on two rear axles. Those axles also carry four tires each. Add those eight to the tractor’s ten, and you get 18 ...
This video takes viewers inside VIA Rail’s maintenance facility to reveal the complex process of repairing a train wheel.
Well, if all that describes you, do I have good news for you: it turns out you won't have to wait a couple more years for a brand-new Mercedes-Benz G-Class convertible like you thought you would. So ...