This manual covers the Kubota KH51/KH61 series, a line of compact excavators designed for versatile applications. These machines are engineered for reliability and performance, featuring robust diesel engines and efficient hydrostatic transmissions. Their compact size and 4WD capability make them suitable for a wide range of construction, landscaping, and utility tasks, offering a blend of power and maneuverability. This comprehensive service and repair manual provides detailed information essential for maintaining and troubleshooting your Kubota KH51/KH61. It includes in-depth coverage of engine specifications, hydrostatic transmission operation, fluid capacities, and recommended maintenance intervals. With hundreds of pages of technical data and procedures, this manual is an indispensable resource for owners, technicians, and mechanics seeking to ensure the optimal performance and longevity of their equipment.