Trailer Coupling and Uncoupling

  • 6 topics | 33m
  • Up to 30 languages
  • Transcripts
As a commercial vehicle operator, you are responsible for the safe operation of your tractor trailer. Following appropriate practices to couple and uncouple trailers, as well as maintaining equipment, ensures that you and the other motorists who share the road with you are safe. In this course, you will learn about the equipment used to couple and uncouple trailers and how to use it properly. You'll also learn about some of the inspections you need to perform on connecting equipment before taking a combination vehicle on the road. This course also covers the steps for coupling and uncoupling vehicles safely. This course was developed with subject matter support provided by EnSafe Inc., a global professional services company focusing on engineering, environment, health and safety, and information technology. Please note, the course materials and content were current with the laws and regulations at the time of the last expert review, however, they may not reflect the most current legal developments. Nothing herein, or in the course materials, shall be construed as professional advice as to any particular situation with respect to compliance with legal statutes or requirements.


  • identify equipment used for trailer coupling and uncoupling
  • identify components of the coupling system that must be inspected
  • identify equipment used for coupling and uncoupling and inspection requirements
  • identify the steps for coupling vehicles
  • identify the steps for uncoupling vehicles
  • recognize the steps for coupling and uncoupling vehicles


  • Coupling Equipment
  • Inspecting Equipment
  • Knowledge Check: Coupling Devices
  • Coupling Trailers
  • Uncoupling Trailers
  • Knowledge Check: Coupling and Uncoupling