The handbook provides basic information on the design, theory and operation of domestic and foreign tractors, including the names of the units, assemblies, parts and systems that make up the design and construction of the tractor, scientific and operational terms used in research and operation. A brief explanation of the names of the constituent components and terms is accompanied by figures and diagrams. The arrangement of the given names in alphabetical order to find the desired term and get brief information about the purpose, principle of operation, structure and use of the mechanism. For recommendations, the italic style is used to familiarize yourself with the material of a similar article.