The TAKEICHI TB025, TB030, and TB035 models represent robust construction equipment engineered for demanding applications. These machines are built with a focus on reliability and performance, featuring a YANMAR 3TN84L(TL)-RTBZ(Y) diesel engine that provides efficient power for various tasks. Their design prioritizes durability and operational effectiveness, making them suitable for a wide range of professional and industrial uses where consistent performance is critical. This workshop service repair manual provides comprehensive guidance for the maintenance and repair of the TAKEICHI TB025, TB030, and TB035. It covers essential areas including general information, detailed specifications, tightening torques, machine configuration, and hydraulic units. The manual also includes in-depth sections on engine service, covering disassembly, assembly, and specific components like pistons, oil pan, cooling system, fuel system, and electrical systems, along with troubleshooting procedures to ensure optimal vehicle performance and longevity.