The Steyr 8070 and 8070A tractors, produced primarily during the 1970s and 1980s, represent robust and versatile agricultural machinery from the historically significant Austrian manufacturer Steyr-Daimler-Puch AG. These tractors, typically powered by a diesel engine delivering around 70 horsepower, are known for their solid construction and reliability, making them suitable for a wide range of farming tasks. Their design emphasizes practical functionality and durability, reflecting the engineering excellence for which Steyr was renowned. The 8000 series, to which the 8070 belongs, was a popular range appreciated for its performance and longevity in demanding agricultural environments. This comprehensive manual serves as an essential resource for owners, operators, mechanics, and restorers of the Steyr 8070/8070A. It provides detailed coverage of all tractor parts, repair procedures, maintenance schedules, and rebuild instructions. The manual includes extensive information on the engine, powertrain, hydraulics, electrical systems, and chassis, supported by detailed illustrations, diagrams, and part numbers crucial for accurate identification and replacement. Its purpose is to empower users with the knowledge needed for effective maintenance and repair, ensuring the continued optimal performance and longevity of their Steyr tractor.