This workshop service repair manual covers the Kubota KH51 and KH61 models, applicable to all production years. These machines are engineered for reliability and performance in demanding operational environments. While specific features and engine specifications are detailed within the manual, the comprehensive coverage ensures that owners and operators have access to the information needed to understand and utilize their equipment effectively. This manual provides complete A-Z service and repair procedures for all models, engines, trim, and transmission types. It includes detailed maintenance schedules, fluid capacities, tune-up procedures, filter replacement, and lubrication points. Diagnostic information, troubleshooting guides, error code explanations, and step-by-step repair instructions for assembly, disassembly, component overhaul, electrical systems, and hydraulic systems are also thoroughly covered. This resource is designed to assist owners, mechanics, and technicians in maintaining and repairing the vehicle to optimal operational standards.