It's the world's largest tractor. "It was built by Big Bud in Havre (Montana - USA). The engine is a Detroit Diesel 2 stroke with 16 cylinders (24,14l) and most of 900 hp.
We wouldn't argue that building a culture of safety helps the bottom line at a trucking company. But why not be more specific about how to value drivers?
Starting out life as a Kenworth Semi Tow Truck, the Rock On Trike was stripped of parts until barely anything was left. Then the head mechanic of repair shop started getting some crazy ideas.