This workshop manual covers the Komatsu SAA4D95LE-5 engine, a 4-stroke diesel engine with a displacement of 3.3 L. Designed for industrial machinery applications, this naturally aspirated, water-cooled engine features direct injection, a mechanical governor, and an electric starter. Its LE (Low Emission) designation highlights its focus on environmental performance. The engine is engineered for reliability and efficiency, making it a robust power source for various heavy-duty equipment. This manual provides comprehensive information for the maintenance and repair of the Komatsu SAA4D95LE-5 engine. It includes detailed step-by-step instructions for correct and efficient repairs, along with essential specifications, tolerances, and explanations of component functions. Supported by top-quality diagrams, pictures, and illustrations, this English-language workshop manual is an indispensable resource for owners, mechanics, and technicians seeking to maintain the optimal performance and longevity of their equipment.