What is a Wheeled Self-Propelled Machinery Vehicle?
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Wheeled self-propelled machinery vehicles are specialized machines with unique structures and specific functions, equipped with rubber wheels for self-propulsion and a maximum design speed exceeding 20 kilometers per hour. Examples include loaders, graders, excavators, bulldozers, etc., but exclude forklifts. Wheeled self-propelled machinery is categorized into rail wheeled self-propelled machinery and ordinary wheeled self-propelled machinery. Rail wheeled self-propelled machinery includes train locomotives, electric multiple units, rail cars, rail motorcycles, rail cranes, and specialized railway construction machinery. Ordinary wheeled self-propelled machinery comprises automobiles, tire cranes, road rollers, tractors, harvesters, and specialized construction machinery.