This manual pertains to the DK45S, DK451, DK45SC, DK451C, DK501, and DK501C tractor models. These tractors are recognized for their durable and versatile utility, and these models are designed for a wide range of agricultural, landscaping, and property maintenance tasks. They typically feature robust diesel engines, offering reliable performance and efficient operation. Key engineering highlights often include advanced transmission systems, capable hydraulic outputs for implements, and sturdy chassis construction, ensuring longevity and productivity in demanding environments. This comprehensive Service Parts Catalogue Manual provides an exhaustive breakdown of all components for the specified tractor models. Its purpose is to assist owners, technicians, and parts suppliers in accurately identifying, sourcing, and ordering replacement parts. The manual covers all major systems, including the engine, clutch, transmission, hydraulics, steering, braking, axles, electrical systems, and chassis/bodywork. By offering detailed part information, it is an invaluable resource for maintaining the operational integrity, efficiency, and longevity of these tractors through both routine maintenance and necessary repairs.