This manual covers the Kubota KH51/KH61 models. These machines are engineered for reliability and performance, featuring a diesel engine and a hydrostatic transmission designed for efficient operation. While specific production years are not detailed, the robust construction and advanced engineering of Kubota equipment are evident, making these models suitable for a wide range of demanding tasks. This comprehensive Full Service Repair Manual provides essential information for maintaining and repairing your Kubota KH51/KH61. It includes detailed repair and diagnostic procedures, complete with numbered instructions, illustrations, and wiring diagrams. Safety information, including notes, cautions, and warnings, is also provided. This manual is an indispensable resource for professional technicians and DIY mechanics alike, ensuring proper upkeep and efficient troubleshooting.