This manual covers the Holden HD and HR models, iconic Australian passenger cars produced from October 1965 to September 1968. These vehicles, known for their robust Australian engineering and styling influenced by American trends, were available in various body styles including sedans, station wagons, coupe utilities, and panel vans. Offering a range of inline-six 'Red' engines from 149 to 186 cubic inches, paired with either manual or the Powerglide automatic transmission, the HD/HR series represented a significant part of Holden's contribution to local automotive manufacturing and remain highly sought-after classic vehicles.

This comprehensive manual serves as an essential resource for owners, mechanics, and technicians. It details all aspects of the Holden HD/HR, including model range specifics, years of manufacture, technical specifications, and maintenance procedures. Coverage extends to engine overhaul, cooling, fuel, ignition, and exhaust systems, as well as drivetrain components, suspension, steering, and braking systems. The manual also provides in-depth information on the 12V electrical system, bodywork, interior trim, and troubleshooting guides for common issues, ensuring the proper maintenance and repair of these classic vehicles.