This manual pertains to the Takeuchi TB80FR, a robust piece of equipment engineered for demanding operational environments. Its design emphasizes reliability and efficient performance, making it a valuable asset for various construction and excavation tasks. The TB80FR features a liquid-cooled diesel engine, a hydrostatic transmission, and a 4WD system, all contributing to its powerful and versatile capabilities. Its substantial operating weight and impressive digging capabilities underscore its suitability for heavy-duty applications where precision and durability are paramount. This comprehensive Factory Service Repair Manual, presented in English, serves as an essential resource for maintaining the Takeuchi TB80FR. It provides detailed instructions and specifications covering critical aspects of the machine, including engine maintenance, hydraulic systems, transmission service, and lubrication procedures. Owners, technicians, and mechanics will find the information necessary to perform routine maintenance, troubleshoot issues, and ensure the optimal performance and longevity of their equipment. The manual details service intervals and fluid capacities, guiding users through the necessary upkeep to keep the TB80FR operating at peak efficiency.