The Takeuchi TB21 is a compact excavator designed for efficient operation in various work environments. This machine features a robust diesel engine and a hydrostatic transmission with a 2-speed gear selection, providing versatility for different tasks. With an operating weight of approximately 2200 kg, a digging depth of 2550 mm, and a digging reach of 4030 mm, the TB21 is engineered for performance and reliability in construction, landscaping, and utility applications. Its compact dimensions, including a width of 1380 mm and a height of 2380 mm, allow for maneuverability in confined spaces. This Parts Manual provides comprehensive information for identifying and ordering components for the Takeuchi TB21 compact excavator. It is intended for owners, maintenance personnel, and technicians to ensure the correct parts are selected for repairs and replacements. The manual details various systems, including the engine, transmission, undercarriage, and hydraulic system, along with their respective specifications and dimensions. By referencing this manual, users can effectively maintain the operational integrity and longevity of their Takeuchi TB21.