The Valtra Valmet 6800 / 6800E represents a lineage of robust and reliable tractors, drawing from Valtra's long-standing Finnish heritage in producing durable machinery for demanding agricultural and forestry applications. These tractors are known for their straightforward design, resilience, and performance in challenging environments. This workshop service repair manual is designed to provide comprehensive technical information, enabling owners and technicians to understand, maintain, and repair these vehicles effectively, thereby saving time and resources compared to dealership services. This extensive 1361-page English-language manual serves as a definitive guide for mechanical technicians and informed tractor owners. It covers a wide array of systems, including detailed procedures for the engine, transmission, fuel, ignition, lubrication, exhaust, and electrical systems. The manual also provides in-depth instructions for routine maintenance, diagnostic procedures, repair tasks, component removal and installation, and complete assembly/disassembly of major assemblies. It highlights safety information using WARNING, CAUTION, and NOTE notations and references specific Valtra Valmet special tools by their part numbers, ensuring accurate and safe servicing comparable to authorized dealer standards.