(a) The weight limitations of § 621.101 do not apply to a single motor vehicle used exclusively to transport chile pepper modules, seed cotton, or equipment, including a motor vehicle, used to transport or process chile pepper modules or seed cotton.
(b) The overall gross weight of a single motor vehicle used to transport seed cotton or equipment used to transport or process seed cotton may not be heavier than 64,000 pounds.
(c) The overall gross weight of a single motor vehicle used to transport chile pepper modules or equipment used to transport or process chile pepper modules may not be heavier than 54,000 pounds.
(d) The owner of a single motor vehicle to which this section applies that has a gross weight above the gross weight authorized by this section that is applicable to the vehicle is liable to the state, county, or municipality for any damage to a highway, street, road, or bridge caused by the weight of the load.
(e) A vehicle to which this section applies may not be operated on the national system of interstate and defense highways if the vehicle exceeds the maximum weight authorized by 23 U.S.C. § 127, as amended.