This manual provides comprehensive information for the Volvo Penta 280DP and 280PT sterndrives. These robust marine propulsion units are designed for a variety of gasoline and diesel engines, offering reliable performance and efficient power transfer. Engineered with marine-grade aluminum alloy for durability and featuring a raw water cooling system, the 280DP and 280PT sterndrives are built to withstand demanding aquatic environments. Their design incorporates power trim and tilt, cable-operated shift systems, and compatibility with both two-blade and three-blade propellers, ensuring adaptability to different boating needs. The purpose of this Factory Service Repair Manual is to equip owners, technicians, and mechanics with the knowledge required for proper maintenance, troubleshooting, and repair of the Volvo Penta 280DP and 280PT sterndrives. It details essential procedures, technical specifications, and safety guidelines. Within its hundreds of pages, you will find information on service intervals, oil capacities, drive ratios, gear oil types, and steering system configurations. This manual serves as an indispensable resource for ensuring the longevity and optimal performance of your marine propulsion system.