Federal & State Regulations | Commercial driver’s license CDL - California

Class	Description
Class A (commercial)	Any legal combination of vehicles, if any single vehicle being towed has a gross vehicle weight rating (GVWR) or gross vehicle weight (GVW) of more than 10,000 pounds. Any vehicle towing more than one vehicle; with endorsement. Any trailer bus; with endorsement. The operation of all vehicles under Class B and Class C.
Class B (commercial)	Any single vehicle with a GVWR or GVW of more than 26,000 pounds. Any single vehicle with three or more axles or a GVWR or GVW of more than 26,000 pounds towing another vehicle with a GVWR or GVW of 10,000 pounds or less. Any single vehicle with three or more axles, except any three-axle vehicle weighing less than 6,000 pounds. A bus with a GVWR or GVW of more than 26,000 pounds except a trailer bus; with endorsement. Any farm labor vehicle; with endorsement. The operation of all vehicles covered under Class C.
Class C (commercial)	Hazardous materials which requires placards. Hazardous wastes (as defined in California Vehicle Code, Sections 353 and 15278).
Class C (non-commercial)	Any two-axle vehicle with a GVWR or GVW of 26,000 pounds or less, including when the vehicle is towing a trailer or semitrailer with a GVWR or GVW of 10,000 pounds or less. Any two-axle vehicle weighing 4,000 pounds or more unladen when towing a trailer coach not exceeding 9,000 pounds gross. A bus with a GVWR or GVW of 26,000 pounds or less, except a trailer bus. A house car of 40 feet in length or less. A motorized scooter. Any three-axle vehicle weighing 6,000 pounds gross or less. A house car of 40 feet in length or less or a vehicle towing another vehicle with a GVWR of 10,000 pounds or less, including when a tow dolly is used. No vehicle shall tow another vehicle in violation of California Vehicle Code, Section 21715. Any two-axle vehicle weighing 4,000 pounds or more unladen when towing either a trailer coach or a fifth-wheel travel trailer not exceeding 10,000 pounds GVWR, when the towing of the trailer is not for compensation. Any two-axle vehicle weighing 4,000 pounds or more unladen when towing a fifth-wheel travel trailer exceeding 10,000 pounds, but not exceeding 15,000 pounds GVWR, when the towing of the trailer is not for compensation, and if the driver has passed a specialized written examination provided by the department relating to the knowledge of this code and other safety aspects governing the towing of recreational vehicles upon the highways. Any vehicle or combination of vehicles with a gross combination weight rating (GCWR) or GVWR of 26,000 pounds or less, if all of the following conditions are met. The vehicle or combination is: Operated by a farmer, an employee of a farmer or an instructor credentialed in agriculture as part of an instructional program in agriculture at the high school, community college, or university level; Used exclusively in the conduct of agricultural operations; Not used in the capacity of a for-hire carrier or for compensation.

['Commercial drivers license CDL']

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Commercial driver’s license CDL - California