This workshop service repair manual covers Caterpillar 3500 Series diesel engines, specifically the 3508, 3512, and 3516 models. These engines are engineered for demanding applications, featuring robust construction and reliable performance. The 3508 is a V8 with 18.1 liters displacement, the 3512 is a V12 with 27.1 liters displacement, and the 3516 is a V16 with 36.1 liters displacement. All models share a bore of 170 mm and a stroke of 190 mm, utilizing a water-cooled system and mechanical fuel injection. This comprehensive English-language manual provides detailed A-Z coverage for service and repair procedures. It is designed to assist owners, mechanics, and technicians in maintaining and troubleshooting these powerful diesel engines. The manual includes essential technical specifications, maintenance guidelines, and step-by-step instructions to ensure optimal engine operation and longevity. Compatibility extends to all PC and MAC computers, tablets, and mobile phones with Adobe Reader.