This service repair workshop manual provides comprehensive information for the MAN D 2876 LE 401/402/404/405 marine diesel engines. Manufactured by MAN Truck & Bus SE, these engines are engineered for reliable marine propulsion. The D 2876 LE series represents a commitment to robust performance and durability in demanding marine environments, ensuring consistent operation for a variety of vessels. This English-language manual serves as an essential resource for owners, technicians, and mechanics. It covers detailed maintenance procedures, including general overhaul notes and post-overhaul commissioning instructions. The manual also includes troubleshooting guides with fault and troubleshooting tables, diagrams for fuel and cooling systems, lubrication and management schedules, and information on special tools. With an included index and printable pages, this document facilitates efficient upkeep and repair of your MAN marine diesel engine.