Free Class C CDL Practice Test (2026)
For vehicles that don't meet Class A or B criteria but carry 16+ passengers or hazardous materials.
80%Passing score
50Questions (General Knowledge)
3Knowledge tests
FreeTo start
A Class C CDL is for smaller vehicles that still need a commercial license because of what's on board: 16 or more passengers, or hazardous materials. What you're hauling is what puts you in this class, not how big the truck is.
Try Class C sample questions
Real questions from the Class C CDL knowledge test. Answer below and you'll see the correct answer and an explanation instantly.
Question 1 of 5
发动机“拖挡”是什么意思？
What a Class C CDL lets you drive
- Passenger vans carrying 16+ people
- Small HazMat vehicles (placarded loads)
- Shuttle and limousine services
- Combination vehicles under 26,001 lbs carrying hazmat
What's on the Class C CDL test
The Class C exam combines these knowledge tests. Practice each one: