The Takeuchi TB125 is a robust and versatile compact excavator designed for a wide range of construction and landscaping applications. Engineered for reliability and performance, this tracked machine features a powerful 25.5 hp Yanmar 3TNV76-TB diesel engine with a displacement of 1341 cc, delivering efficient operation for demanding tasks. Its hydrostatic transmission and tracked drive system provide excellent maneuverability and stability on various terrains. With an operating weight of 2400 kg and dimensions optimized for tight spaces, including a width of 1400 mm and a ground clearance of 245 mm, the TB125 offers a compelling blend of power and compact design. This Workshop Service Manual provides comprehensive guidance for the maintenance, repair, and technical understanding of the Takeuchi TB125. It covers essential information, including detailed engine specifications, hydraulic system data, and maintenance schedules, such as engine oil changes every 250 operating hours and hydraulic oil filter replacement every 1000 hours. The manual is intended for owners, technicians, and mechanics, offering step-by-step procedures and technical insights necessary to ensure the optimal performance and longevity of the equipment. All information is presented in English for clarity and ease of use.