Press "Enter" to skip to content

CDL Study Guide Double/Triple Trailers Endorsement

Last updated on March 31, 2023

CDL Study Guide: Double/Triple Trailers Endorsement

by: CDL Digest

Price: $1.50

CDL Study Guide Double Triple Trailers Endorsement

Available at the following online book stores:

Amazon Kindle

Barnes and Noble

Google Books


This CDL practice test study guide contains information for the Double/Triple Trailers Endorsement.

In order to obtain a Double/Triple Trailers Endorsement each applicant must have knowledge covering:

Procedures for assembly and hookup of the units;

Proper placement of heaviest trailer;

Handling and stability characteristics including off tracking, response to steering, sensory feedback, braking, oscillatory sway, rollover in steady turns, yaw stability in steady turns;


Potential problems in traffic operations, including problems the motor vehicle creates for other motorists due to slower speeds on steep grades, longer passing times, possibility for blocking entry of other motor vehicles on freeways, splash and spray impacts, aerodynamic buffeting, view blockages, and lateral placement.

Sections of this CDL Practice Test Study Guide include:

  • Pulling Double/Triple Trailers
  • Coupling & Uncoupling
  • Inspecting Doubles & Triples
  • Double/Triples Air Brake Check
  • Sample Test
  • Sample Test Answers

Ths CDL practice test study guide is available for digital delivery only, so there are no shipping costs. This 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, study guides, and practice tests have already helped thousands of people to easily pass their written exams.

CDL Double/Triple Trailer Endorsement Practice Tests

Double/Triple Trailer Endorsement Practice Test 1

Comments are closed.