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 ...
DownieLive on MSN
How technicians fix a massive train wheel from start to finish
This video takes viewers inside VIA Rail’s maintenance facility to reveal the complex process of repairing a train wheel.
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