This manual provides essential technical documentation for DK75, DK80, and DK90 series tractors. A South Korean manufacturer is recognized for producing reliable and versatile tractors. The DK series specifically offers robust performance suitable for a wide range of agricultural and industrial applications, including mowing, tilling, planting, and loader work, making them a popular choice for various property maintenance and farming needs. These tractors are engineered for efficiency and durability, embodying a commitment to providing capable machinery for demanding tasks. This comprehensive 367-page English-language factory service and workshop manual covers all aspects of the DK75, DK80, and DK90 tractors. It details general information, engine service and overhaul, clutch, transmission, front axle and steering, hydraulic system, brake system, electrical system, cabin interior, and air conditioning. The manual includes maintenance procedures, troubleshooting guides, component removal and installation, disassembly and reassembly, adjustment procedures, diagnostic steps, torque specifications, lubrication requirements, and electrical component testing. Its enhanced format with searchable text and bookmarks facilitates easy navigation and quick access to specific information, aiding owners, mechanics, and technicians in maintaining and repairing these versatile tractors.