This workbook is designed for use with the text Heavy Equipment Power Trains and Systems. The chapters in the workbook correspond to those in the text and should be completed after reading the appropriate text chapter. Each chapter of the workbook contains reviews of the textbook chapters to enhance your understanding of textbook content. The various types of questions include matching, true or false, and multiple choice. Reading Heavy Equipment Power and Trains Systems and using this workbook will help you acquire a working knowledge of the basic principles of heavy equipment systems, as well as develop safe working habits and work skills. You will also gain an awareness of the wide range of machine systems found in the agricultural equipment, construction equipment, and some mining equipment. Answering the questions for each chapter will help you master the technical knowledge presented in the text. The workbook chapters also contain activities related to textbook chapter content. The activities range from chapter content reinforcement to real-world application. It is important in these activities to understand any safety procedures set forth by your instructor.