This chapter introduces the essential concepts and equipment related to asphalt repair vehicles used in road maintenance. It begins with an overview that covers the definition, applications, and recent development trends both in China and internationally. The chapter then discusses the classification and structural features of asphalt repair vehicles, explaining various types and their structural characteristics. Subsequent sections detail the structure and working devices, including their specific features and technologies employed during repair operations. Typical products are highlighted with examples such as trailer comprehensive road maintenance vehicles and hot recycling road maintenance vehicles. The chapter also presents selection principles for choosing appropriate vehicles based on maintenance distance and vehicle type. Common faults and troubleshooting procedures are summarized, with key issues and solutions outlined in a reference table.