The book "DC motors for the EKG-4 excavator" by N. M. Batalova is a unique publication that will become a real find for specialists in the field of mechanical engineering, engineers and students of technical universities. In this work, the author deeply and thoroughly examines the key aspects of the design, operation and repair of DC motors used in excavators of the EKG-4 model. What makes this book so attractive? First of all, it is a combination of theoretical knowledge and practical recommendations . Batalov not only describes the device and the principle of operation of electric motors, but also shares his experience, which has accumulated over the years in this area. The reader will be able to learn how to choose the right electric motors for different operating conditions, how to diagnose them and troubleshoot. The book will be of interest not only to professional engineers, but also to students who are just beginning their journey in the world of mechanical engineering. It will help them better understand how electric motors work and what factors affect their efficiency. Also, the publication will be useful to those who are engaged in the repair and maintenance of excavators, as it contains many useful tips and recommendations for improving the operation of equipment. The topics raised in the book cover a wide range of issues related to electric motors. Batalov describes in detail the design features, principles of operation and the main parameters that must be taken into account when choosing and operating DC motors. It also addresses issues of reliability and durability, which is particularly relevant for heavy duty equipment. The author's style is distinguished by clarity and accessibility of presentation, which makes the material understandable even for those who do not have deep technical knowledge. N. M. Batalov is known for his scientific works and publications that cover various aspects of mechanical engineering and electrical engineering. His previous works, such as "Electric Machines" and "Fundamentals of Electrical Engineering", have also gained recognition in the professional environment and have become reference books for many engineers. This book will be an indispensable assistant for anyone who wants to improve their skills in the field of working with electric motors. It will help readers not only to understand complex technical issues, but also teach them to apply the knowledge gained in practice. If you are looking for literature on electric motors, excavators or mechanical engineering in general, then “DC motors for an ECG-4 excavator” is what you need. The book combines theoretical foundations and practical advice, making it useful for both students and experienced professionals. Do not miss the opportunity to immerse yourself in the world of electrical and mechanical engineering with this fascinating and informative book It will not only expand your knowledge, but also inspire new achievements in your professional activities.