Definition
The load-bearing vehicle frame and related running components that support a truck body, container, or equipment.
Practical example
Example: A container is secured to an intermodal chassis before leaving the terminal.
Why it matters
Chassis condition affects structural safety, tires, brakes, lights, and cargo security.
Chassis 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 Chassis mean in trucking?
The load-bearing vehicle frame and related running components that support a truck body, container, or equipment.
Why should a commercial driver understand Chassis?
Chassis condition affects structural safety, tires, brakes, lights, and cargo security.
This glossary is educational. Always follow current federal and state rules, the vehicle manufacturer’s instructions, and your motor carrier’s procedures.