The Kioti Daedong DK55 Series tractors, including models DK55, DK55C, DK551, and DK551C, represent robust utility vehicles designed for a variety of agricultural and property maintenance tasks. These tractors are engineered for reliability and performance, featuring a diesel fuel system and available in both ROPS and Cabin configurations. Notable engineering updates are evident through mentions of 'old' and 'new' revisions for key components, indicating a commitment to continuous improvement. The DK55 Series is recognized for its comprehensive drivetrain, including shuttle operation, PTO engagement, and front-wheel drive options, alongside a capable hydraulic system essential for implement control. This Service Parts Catalogue (SPC) manual provides an exhaustive resource for owners, technicians, and parts suppliers of the Kioti Daedong DK55 Series tractors. It details components across all major systems, including the engine, transmission, drivetrain, hydraulics, steering, brakes, electrical systems, chassis, and operator station. The manual's primary function is to offer precise identification of parts through exploded views and part numbers, facilitating efficient repair and maintenance. Its digital format ensures clarity and ease of access, enabling users to accurately select and order replacement parts, thereby supporting the longevity and optimal performance of the tractor.