DOT Entry Level Driver Training – Basic CMV Operation: Coupling and Uncoupling

One of the basic skills necessary to drive a combination vehicle is coupling and uncoupling a tractor unit to and from a trailer. Coupling requires several steps, including inspecting the area and vehicle ahead of time, aligning the tractor to the trailer, backing up slowly, checking the trailer height and kingpin-fifth-wheel alignment, connecting the air lines and electrical cord, and backing under the trailer until the kingpin is locked into the fifth-wheel coupler. You must make sure the kingpin is properly locked into the fifth-wheel coupler, test the coupling, inspect and test the trailer brakes, and make sure the trailer lights are working correctly before it is safe for you to pull out onto the road. Uncoupling involves some of the same steps, but in a different order and often in reverse. The goal is the same – to make sure the tractor unit and trailer get where they need to be safely at the end of each day. This course covers the basic steps needed to safely couple and uncouple a tractor unit to and from a trailer. It also covers coupling to and uncoupling from a second trailer.

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Course Details

Learning Objectives

By the end of this course, you will be able to:

  • Describe how to prepare a tractor and trailer for coupling
  • Identify the steps needed to couple a tractor to a trailer
  • Explain how to ensure a coupling is safe and secure, before you drive a combination vehicle
  • Identify the steps needed to uncouple a tractor from a trailer

Specs

Course Level Fundamental
Languages English
Compatibility Audio, Video, MobileReady, Responsive

Bob Jonas

Bob Jonas began his trucking adventure in 1973, at the age of twenty-three, driving for a new company that manufactured windows. First employed to drive 20-foot straight trucks, over the next 15 years he logged over a million miles in 11 western states. Starting with 40-foot dry vans, increasing in size to 53 feet, he also pulled doubles, occasionally triples, flatbeds, and reefers (refrigerated trailers). In addition to delivering windows, he was required to back haul everything from raw glass, cereal, oyster shells, potato flakes, paper, Christmas trees, and swinging horse meat. He was also given the responsibility of testing new hires. After leaving the company he had worked for so long, Jonas's life headed in another direction, where he was still able to use his driving skills for part time work. In the next few years, he worked the Christmas rush for UPS, hostling, driving doubles and triples. He also worked for another company delivering 5,000 lbs. spools of newsprint, as well as container pick and delivery to the docks and rail yards. His final miles were logged part time for another window manufacturer. Never knowing what road he would travel next, Bob didn't give up his CDL until 2014.

Course Applies To

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