The Takeuchi TB135 is a robust and reliable tracked excavator engineered for demanding work environments. Powered by a Kubota D1803-M-EBG diesel engine, it delivers efficient performance with a gross power of 34.4 HP and a net power of 32.1 HP, utilizing a displacement of 1.826 L. Its hydrostatic transmission and tracked drive system provide excellent maneuverability and stability across various terrains. With an operating weight of 3600 kg and impressive digging capabilities, including a maximum digging depth of 3100 mm and a reach of 4845 mm at ground level, this model is designed for productivity and precision in construction and excavation tasks. This Workshop Service Manual provides comprehensive guidance for the maintenance and repair of the Takeuchi TB135. It covers essential operational details, technical specifications, and maintenance procedures, including engine oil and hydraulic oil capacities, along with recommended change intervals for engine oil and hydraulic filters. The manual is an indispensable resource for owners, mechanics, and technicians, offering detailed information to ensure the optimal performance, longevity, and safety of the vehicle. All content is presented in English.