The U.S. DOT-111 tank car is an unpressurized general service tank car in common use in North America. It is known as the TC-111 in Canada.
DOT-111
Railfanning Review Podcast
Before you copy and paste this information to your website, please keep in mind this research took a lot of effort. Appreciate it. Learn from it. But do not plagiarize it. Yes, if you think we might be talking to you, we are.