This manual pertains to the 8165A and 8180A models, agricultural tractors renowned for their robust construction and dependable performance. Produced likely during the 1980s and early 1990s, these Austrian-engineered machines represent a significant part of the 80 series. They are characterized by powerful diesel engines, typically around 6.6 liters, offering approximately 160 HP for the 8165A and 180 HP for the 8180A, coupled with versatile manual synchromesh transmissions. Their design emphasizes efficiency and durability for demanding agricultural tasks, featuring a strong chassis, reliable hydraulics, and a comfortable, safe operator's cab equipped with ROPS and seatbelts. This comprehensive spare parts catalog and repair guide is meticulously designed to support owners and technicians in maintaining and repairing the 8165A and 8180A tractors. It provides extensive coverage of all major systems, including the engine, powertrain, transmission, hydraulics, electrical systems, chassis, and operator station. Within its pages, users will find detailed part identification with precise part numbers, clear assembly and disassembly procedures, and crucial information on component listings. The manual is rich with detailed illustrations, drawings, and diagrams, facilitating a deep understanding of part relationships and repair sequences, thereby ensuring the longevity and optimal performance of these formidable machines.