“Work-site utility vehicle” means any motor vehicle which is not less than 48 inches in width, has an unladen weight, including fuel and fluids, of more than 800 pounds and is equipped with four or more nonhighway tires, a steering wheel and bench or bucket-type seating allowing at least two people to sit side-by-side, and may be equipped with a bed or cargo box for hauling materials. “Work-site utility vehicle” does not include a micro utility truck.