The Datsun 810, produced from 1977 to 1980, represents a significant chapter in Datsun's evolution, offering a mid-size sedan and wagon designed for comfort and reliability. Known for its European-influenced styling and a focus on passenger refinement, the 810 stood out with its robust inline-six engines, providing a smoother and more powerful driving experience than many of its four-cylinder contemporaries. It was marketed as a comfortable, well-equipped alternative in key global markets including North America, Japan, Australia, and Europe, targeting consumers seeking value and dependability.

This comprehensive Factory Service Manual (WSM) provides in-depth technical information for the Datsun 810. It covers all essential systems, including detailed procedures for engine mechanicals, fuel and ignition systems, manual and automatic transmissions, drivetrain, suspension, steering, brakes, and the complete electrical system. The manual also details body and interior repairs, as well as diagnostic troubleshooting guides. Its purpose is to assist owners, mechanics, and technicians in performing preventive maintenance, routine repairs, and major overhauls, ensuring the longevity and optimal performance of the vehicle.