This manual pertains to the Volvo F83, a heavy-duty truck produced primarily in the 1970s and early 1980s. The F83 is recognized for its robust engineering and as part of Volvo's F series, which significantly advanced truck design with innovations such as tilting cabs. Historically, these vehicles served in demanding applications like heavy-duty transport and construction, offering reliable performance through their typically inline 6-cylinder D39A diesel engines, which produced between approximately 180 to 250 horsepower. The F83's design emphasized mechanical integrity and durability, reflecting the safety standards of its era with a focus on sturdy cab construction and effective braking systems.

This workshop and service manual provides comprehensive coverage for the Volvo D39A engine, detailing its mechanical assembly, fuel, lubrication, cooling, air intake, and exhaust systems. It includes detailed instructions for disassembly, assembly, inspection, testing, and adjustment procedures, along with troubleshooting guidance for common engine faults. Technical specifications, including torque values and component clearances, are provided to ensure accurate servicing. This manual is an essential resource for owners, mechanics, and technicians seeking to maintain and repair the D39A engine, ensuring the continued operational efficiency of the Volvo F83.