This manual covers the Takeuchi TB125, a robust piece of equipment designed for demanding operational environments. Engineered for reliability and efficiency, the TB125 features a water-cooled diesel engine and a hydrostatic transmission with variable speed control, making it a versatile tool for various construction and excavation tasks. Its substantial operating weight of approximately 2,500 kg (5,510 lbs) provides stability, while the rubber track undercarriage ensures excellent traction across different terrains. This Workshop Service Manual (WSM) provides comprehensive guidance for the repair and maintenance of the Takeuchi TB125. Written in English, it details essential procedures, technical specifications, and troubleshooting information necessary for optimal performance and longevity. This professional quality, in-depth resource is intended for owners, mechanics, and technicians to ensure the vehicle is kept in peak operating condition, covering critical aspects of its operation and upkeep.