Press "Enter" to skip to content

CDL Study Guide Air Brakes

Last updated on April 5, 2023

CDL Study Guide Air Brakes

by: CDL Digest

Price: $2.50

CDL Study Guide Air Brakes

Available at the following online book stores:

Barnes and Noble

Google Books


This CDL study guide contains air brake system information for those who drive vehicles with air brakes; therefore needing an “Air Brakes” endorsement on their CDL license.

49 CFR 383.95 Air Brake Restrictions.

  • If an applicant either fails the air brake component of the knowledge test, or performs the skills test in a vehicle not equipped with air brakes, the State shall indicate on the CDL, if issued, that the person is restricted from operating a CMV equipped with air brakes.
  • For the purposes of the skills test and the restriction, air brakes shall include any braking system operating fully or partially on the air brake principle.

Sections of this CDL Practice Test Study Guide include:

  • Air Brake System Parts
  • Dual Air Brake Systems
  • Inspecting Air Brakes
  • Using Air Brakes
  • Sample Test
  • Sample Test Answers

This CDL practice test study guide is available for digital delivery only, so there are no shipping costs. This CDL practice test study guide can be downloaded immediately after payment.

About CDL Digest Study Guides

CDL Digest has been committed to providing up-to-date information and study guides for Commercial Learner’s Permit (CLP) and Commercial Driver’s License (CDL) applicants since 2006. CDL Digest understands just how frustrating and time consuming it can be to get your hands on all the information you need, whether you are an individual who is interested in obtaining a Commercial Learner’s Permit (CLP) for the first time or a Commercial Driver’s License (CDL) holder with years of experience. Our website and study guides have already helped thousands of people to easily pass their written exams.

CDL Air Brakes Practice Tests

CDL Air Brakes Practice Test #1

CDL Air Brakes Practice Test #2

Comments are closed.