Diesel engine runaway is a rare condition affecting diesel engines, in which it overspeeds at higher and higher RPM until it destroys itself either due to mechanical failure or seizure through lack of lubrication.
He must not have taken his meds today.
I would never imagine this could happen to a tanker.
Imagine driving around town in this bad boy?
The truck either has a faulty motor support bracket or somebody is getting real freaky in the back!
Should of let the more experienced guy load the sled.
When nobody is there to help you unload you need to take matters into your own hands.