How A Big Rig Works - The Peterbilt 579 UltraLoft

Go to for 15% off your order! Brought to you by Raycon. The Peterbilt 579 UltraLoft is one of the most sophisticated semi trucks ever built. Semi-trucks carry BILLIONS of dollars worth of goods, being driven across BILLIONS of miles of highways. Close to 70% of goods being delivered to your door were at one point being pulled by a semi. That’s a lot of money and a lot o

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