Tech Connections

How GVWR and GCWR affect commercial driver’s license requirements

July 1, 2026
Leighton Good
NTEA Senior Technical Services Specialist
Commercial driver's license (CDL) requirements aren't determined by gross vehicle weight rating (GVWR) alone. This article explains how gross combination weight rating (GCWR) can influence CDL requirements for vehicles towing trailers, highlights common misconceptions, and provides practical examples to help industry professionals better understand federal regulations.
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