This service repair manual covers Volvo TAD1343GE, TAD1344GE, and TAD1345GE diesel engines. These inline 6-cylinder engines, with a displacement of 12.8 liters, are designed for industrial and generator applications. The TAD1343GE offers approximately 330 kW (443 hp), the TAD1344GE provides around 350 kW (470 hp), and the TAD1345GE delivers up to 370 kW (496 hp), all at 1800 rpm. These engines feature a water-cooled system and are built to meet rigorous operational demands, reflecting Volvo's commitment to robust engineering and reliability. This comprehensive manual provides essential information for the maintenance and repair of your Volvo engine. It details critical procedures, technical specifications, and troubleshooting guidance necessary for optimal performance and longevity. Key areas covered include lubrication requirements, such as the recommended API CI-4 or higher oil type and an approximate oil capacity of 38 liters, along with service intervals for oil and filter changes. This resource is designed to assist owners, mechanics, and technicians in effectively maintaining and servicing these powerful diesel engines.