This document pertains to the Volvo Penta TAMD63P-A, a robust Inline 6-Cylinder Diesel marine engine. Engineered for reliability and performance, this turbocharged and intercooled unit offers a displacement of 5.48 liters, producing approximately 265 horsepower at 2300 RPM. Its water-cooled system and direct injection fuel system with Electronic Diesel Control ensure efficient operation. The TAMD63P-A is designed for demanding marine applications, embodying Volvo Penta's commitment to quality and durability in marine propulsion. This Workshop Service Manual (WSM) in English provides comprehensive guidance for the maintenance and repair of the Volvo Penta TAMD63P-A marine engine. It covers essential procedures, technical specifications, and troubleshooting steps necessary to ensure optimal performance and longevity. Owners, mechanics, and technicians will find detailed information on service intervals, fluid capacities, filter replacements, and other critical maintenance aspects. This manual is an indispensable resource for understanding, servicing, and maintaining the engine effectively.