A tank vehicle includes any commercial vehicle which has fixed tanks (including collapsible containers, also called “bladder bags”) or that carry portable tanks of 1,000 gallons or more capacity. (VC §15210[k]) Portable tanks are bulk containers which are not permanently attached to a vehicle. The product is loaded or unloaded while the portable tanks are off the vehicle, they are then loaded on a vehicle for transportation.

A tank vehicle also includes any fixed tank in excess of 119 gallons mounted on any vehicle or vehicle combination which requires a CDL or placards. (Example, a pickup transporting a 120 gallon fixed tank containing diesel requires a commercial Class C with Tank/HazMat endorsements. However, no CDL is needed for a 25,999 GVWR 2-axle truck with a 3000 gallon water tank pulling a trailer less than 10,000 lbs. GVWR.)

You must have a commercial driver license and have passed the tank vehicles test to drive such vehicles. To get the endorsement, you must pass a written test.

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