“Heavy equipment” means vehicles or machines capable of lifting or altering heavy objects, moving large quantities of earth and/or stone, extracting natural resources, harvesting, planting or maintaining agricultural/forest products, and other vehicles or machines performing large-scale work tasks. Heavy equipment includes, but is not limited to, cranes, bulldozers, earth scrapers, tractors over 80 horsepower, and equipment of a similar nature. (Ord. 1046 § 22, 2006).