The Takeuchi TB125 is a robust and versatile compact excavator designed for a wide range of construction and landscaping applications. Engineered for reliability and efficient operation, this diesel-powered machine features a liquid-cooled engine with a displacement of 1.642 liters, producing 20.1 HP at 2400 RPM. Its hydrostatic transmission offers two speed ranges, high and low, providing precise control for various tasks. With an operating weight of 2535 kg, a maximum digging depth of 2580 mm, and a standard bucket capacity of 0.07 m³, the TB125 is built to deliver powerful performance and productivity on demanding job sites. This Service Repair Manual provides comprehensive guidance for the maintenance and repair of the Takeuchi TB125. It covers essential information including detailed engine specifications, transmission system details, and critical fluid capacities such as engine oil and hydraulic oil. The manual outlines recommended service intervals for engine oil and hydraulic filter changes, ensuring optimal performance and longevity. Furthermore, it includes operational data, dimensions, and performance metrics like digging depth, reach, and travel speed. This resource is intended for owners, mechanics, and technicians seeking to understand, maintain, and service their Takeuchi TB125 effectively.