Take the First Step Toward Your CDL Career Now!
Our CDL tanker endorsement (N or X endorsement) practice test is a free online exam updated for 2021. Study for the tanker endorsement on your CDL license to test your current knowledge and identify areas that need improvement. Tanker truck drivers were some of the highest paid truck drivers in 2020.
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Study: CDL manual
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Take this CDL practice test as many times as it takes for you to get a perfect score and feel free to come back as many times as you like to try our other practice exams!
Find a local CDL school.
Study: CDL manual
Here you can see how you did on each question, so you know exactly what you got right and what you still need to know before you apply for trucking jobs.
Want to start this test from the beginning? Not pleased with your results or want to beat your current score?