This manual covers the Komatsu SAA6D170E-5 engine, part of the 170E-5 series. This inline, six-cylinder engine features a turbocharged and aftercooled aspiration system, direct injection with common rail technology, and a displacement of 22.7 liters. Designed for demanding applications, this water-cooled engine is engineered for robust performance and reliability. Its emission control system likely meets Tier 3 or equivalent standards, reflecting a commitment to efficient operation. The Factory Service Manual & Training Guide provides comprehensive information for maintaining and repairing the Komatsu SAA6D170E-5 engine. It includes detailed diagnostic procedures, repair instructions, and troubleshooting guides, supported by high-quality diagrams. This extensive 685-page manual in English is an essential resource for owners, mechanics, and technicians seeking to ensure optimal performance and longevity of the engine. Refer to the specific service schedule for maintenance intervals.