This manual covers the Volvo Penta TAMD63L-A, a marine diesel engine designed for robust performance and reliability. This inline 6-cylinder, 4-stroke engine features turbocharging and intercooling, with a displacement of 6.7 liters. Its direct injection fuel system and indirect water-cooling system are engineered for efficiency and durability in demanding marine environments. The integrated reverse gear offers forward, neutral, and reverse functionality, contributing to its versatility. The workshop service repair manual provides comprehensive guidance for maintaining and repairing the Volvo Penta TAMD63L-A. It details procedures for the engine block, lubricating system, fuel system, cooling system, electrical system, and reverse gear. With hundreds of photos and illustrations, along with step-by-step numbered instructions and an advanced troubleshooting guide, this English language manual is an essential resource for owners and technicians. It includes information on service intervals and fluid capacities, ensuring optimal engine operation and longevity.