The Volvo L220D Wheel Loader is a robust piece of heavy machinery designed for demanding operational environments. Powered by a Volvo D12D diesel engine, it delivers substantial horsepower and torque, making it suitable for a wide range of material handling tasks. Its construction features heavy-duty planetary hub reduction axles and hydraulically actuated wet disc brakes for reliable performance and safety. With an operating weight of approximately 22,000 kg and a bucket capacity ranging from 3.6 to 6.0 m³, the L220D is engineered for efficiency and durability in construction, mining, and other industrial applications. This service manual provides comprehensive technical information for the Volvo L220D Wheel Loader. It covers essential maintenance procedures, detailed troubleshooting guides, and critical technical specifications, including engine, transmission, hydraulic system, and dimensional data. Intended for professional workshop technicians, this manual serves as an indispensable resource for ensuring the optimal performance, longevity, and safety of the L220D. By following the guidelines within, technicians can effectively maintain and repair the equipment, minimizing downtime and maximizing operational efficiency.