Construction tires originally meant Off the road Tire and were called OR or OTR. Now it mainly refers to all kinds of tires used in engineering vehicles and construction machinery, including dump trucks, scrapers, excavators, loaders, bulldozers, graders, rollers, beach cranes, cranes, concrete mixers and their transport trucks and other special tires for engineering construction vehicles. In addition, it even includes tires for forestry harvesting, deserts, swamps, etc., which are extremely complex and have a variety of working conditions, and are basically divided into two types of transportation and operation in terms of the nature of work. The driving speed, the working type tire is below 10km/h, and the transport type tire is 15~65kg/h, in fact, they are used in places ranging from gravel, rock pan, sand to soft soil, swamp and desert, and the conditions are very complex and harsh. In addition to the basic performance required, special attention is paid to additional characteristics such as puncture resistance, puncture resistance, heat resistance, heat dissipation, traction and floating.
