This manual covers the Caterpillar CAT 3508, a robust diesel engine designed for demanding applications. As part of the 3500 Family, this 8-cylinder engine features a turbocharged and aftercooled aspiration system, delivering significant power output typically ranging from 750 to 1000 horsepower. With a substantial displacement of 27.03 liters, a bore of 170 mm, and a stroke of 190 mm, the CAT 3508 is engineered for reliability and performance in various industrial and heavy-duty environments. Its substantial oil capacity, approximately 120 liters, underscores its suitability for extended operation. This comprehensive Service Repair Workshop Manual provides all necessary information for the maintenance, servicing, and troubleshooting of your Caterpillar CAT 3508 engine. It includes very detailed, step-by-step instructions, hundreds of pages with detailed photos and diagrams, and exploded diagrams to guide you through every procedure. The manual covers all repairs, servicing, and troubleshooting procedures, ensuring that owners, mechanics, and technicians have the resources needed to keep the engine operating at peak efficiency and longevity. Refer to the specific service interval charts within this manual for recommended maintenance schedules.