This workshop manual covers LOMBARDINI CHD Engines, a line of internal combustion diesel engines designed for robust performance in demanding environments. These engines are engineered for reliability and efficiency, finding typical applications in industrial machinery, agricultural equipment, and marine vessels. Their robust construction and dependable operation make them a preferred choice for professionals requiring consistent power and durability. This comprehensive manual provides essential information for the maintenance, repair, and understanding of LOMBARDINI CHD Engines. It details routine maintenance procedures, troubleshooting guides, and technical specifications necessary for optimal engine performance and longevity. Owners, mechanics, and technicians will find this resource invaluable for ensuring these engines operate at peak efficiency and remain in excellent working condition throughout their service life.