This manual covers the MAN D2876 LE marine diesel engine, an inline 6-cylinder, 4-stroke engine with a displacement of 12.8 liters. Designed for marine applications, this engine features direct injection, turbocharging with a wastegate, and an intercooler, delivering robust performance and reliability. The D2876 LE engine family, including variants 401, 402, 404, and 405, is engineered for demanding maritime operations, reflecting MAN's commitment to quality and durability. This comprehensive Factory Service/Repair/Workshop Manual provides essential information for the maintenance and repair of your MAN D2876 LE engine. It details critical procedures for overhaul, commissioning, and troubleshooting, covering all major systems including the fuel, cooling, lubrication, and electrical systems. With extensive coverage of scheduled maintenance, fault diagnosis tables, and specific repair instructions for components like the cylinder head, crankshaft, and turbocharger, this manual is an indispensable resource for owners, mechanics, and technicians to ensure optimal engine performance and longevity.