A tank endorsement is required for certain vehicles that transport liquids or gases. The liquid or gas does not have to be a hazardous material. A tank endorsement is only required if your vehicle needs a Class A or B CDL and you want to haul a liquid or liquid gas in a permanently mounted cargo tank rated at 119 gallons or more or a portable tank rated at 1,000 gallons or more.
CDL College is a driving school located in Denver, CO. They offer a variety of programs related to commercial truck driving, including training for truck drivers, bus drivers, and more. Their experienced team of instructors is led by an experienced director, providing students with the guidance and knowledge they need to successfully complete their program.