This manual covers the Kubota ST alpha Series, including the ST30 Alpha and ST35 Alpha models, introduced around the mid-2000s. These compact utility tractors are designed for homeowners, small farm operators, and landscape professionals, offering a blend of compact size, maneuverability, and versatility with various attachments. Key features include reliable Kubota diesel engines, a hydrostatic transmission with cruise control, and the innovative Bi-Speed Turn system for enhanced maneuverability. Kubota's long-standing heritage in producing durable and reliable agricultural machinery underpins the engineering quality of this series.

This comprehensive workshop manual provides extensive service and repair information for the Kubota ST alpha Series tractors. It details procedures for assembly, disassembly, and repair across all major vehicle systems, including the engine, clutch, transmission, axles, brakes, steering, and hydraulic system. The manual also covers scheduled maintenance, troubleshooting guides, and detailed wiring diagrams. Its purpose is to equip owners, mechanics, and technicians with the necessary technical data and instructions to effectively maintain, diagnose, and repair these tractors, ensuring optimal performance and longevity.