This workshop service repair manual covers the Caterpillar M70D, 80D, 100D, and 120D models. These machines are engineered for demanding applications, featuring robust construction and reliable performance. While specific engine and transmission details vary by model, they generally incorporate internal combustion diesel engines with power outputs ranging from approximately 70 to 120 horsepower, and automatic or powershift transmissions. The MicroCommand Control System is a key feature, enhancing operational efficiency and control across the product line.

This comprehensive manual is designed to provide essential information for the maintenance and repair of your Caterpillar equipment. It includes detailed specifications, explanations of system operation, and procedures for testing and adjustment, particularly focusing on the MicroCommand Control System. Furthermore, the manual offers troubleshooting guides for common issues, safety precautions to ensure proper handling, and information on diagnostic procedures. Owners, technicians, and mechanics will find this English-language resource invaluable for keeping their equipment in optimal working condition.