The Ultimate Guide to the CDL Tanker Endorsement Test

Prepare to haul liquids safely with our Tankers test preparation guide, focusing on vehicle control and regulations.

Written by Andrei Zakhareuski. With over 16 years of expertise, Andrei leads Driving-Tests.org, a top online resource for driver education. His leadership has established vital partnerships with over 2,600 libraries, educational bodies, and state agencies.

If you’re aiming to become a tanker truck driver, the CDL Tanker Endorsement Test is a crucial step. This guide will walk you through everything you need to know to pass the test and secure your endorsement.

What to Expect

The CDL Tanker Endorsement Test assesses your knowledge and skills related to safely transporting liquid or gaseous materials in bulk.

Who Needs This?

Any CDL holder who plans to drive a commercial tank vehicle needs to pass this endorsement test.

Definition

A tank vehicle is defined as any commercial vehicle that is designed to transport any liquid or gaseous materials within a tank.

Start a free Tanker Vehicles practice test:
Exam FeatureDetails
Number of QuestionsUsually 20-30 multiple-choice
Passing ScoreTypically 80% or higher
Time LimitVaries by state; often around 30-60 minutes
Key TopicsBulk tank operations, inspecting tank vehicles, driving tank vehicles, handling liquids and gases, emergency procedures
Test FormatComputer-based in most states
Retake PolicyVaries by state; may include waiting periods and additional fees for retakes
PrerequisiteValid CDL; specific requirements may vary by state