The textbook was written by a team of teachers of the Department "Corn Engines" of the Moscow State Technical University . N. E. Bauman the leading department of the country, which for more than 100 years has been training specialists in internal combustion engines . The basics of design and modern methods of strength analysis, necessary for the development of new engines and deep modernization of existing ones, Introduction of new and non-traditional materials and technologies , analysis of modern domestic and foreign engine designs, Prospects for their development are considered .. Along with the traditional methods of calculating the strength of the base engine givers, modern numerical methods for analyzing the thermal and stress-strain states of engine elements using modern information technologies are presented. For a better assimilation of the material, the textbook is perfectly illustrated, including color drawings.