Definition
A refrigerated trailer or truck body used to transport temperature-controlled freight.
Practical example
Example: The driver verifies the set point, fuel level, air chute, door seals, and load temperature instructions.
Why it matters
Reefer work adds temperature monitoring and specialized cargo-care responsibilities.
Reefer in CDL training
CDL students should be able to recognize this term, explain it in plain language, and connect it to safe vehicle operation, inspection, licensing, or freight work as applicable. Review the term in context and practice using it during classroom study and hands-on training.
Frequently asked questions
What does Reefer mean in trucking?
A refrigerated trailer or truck body used to transport temperature-controlled freight.
Why should a commercial driver understand Reefer?
Reefer work adds temperature monitoring and specialized cargo-care responsibilities.
This glossary is educational. Always follow current federal and state rules, the vehicle manufacturer’s instructions, and your motor carrier’s procedures.