The WA65-3 Wheel Loader, part of the WA65-3 Series, is engineered for robust performance and reliability in various operational environments. This machine features an S4D102E-1 engine, delivering 57 kW (76 hp) of net power, and is equipped with a Hydrostatic Transmission (HST) offering variable speed and two range selections. Its substantial operating weight of 6,500 kg (14,330 lb) and a straight full lift capacity of 6,000 kg (13,228 lb) underscore its capability for demanding tasks. The loader's design, including a length with bucket of 5.78 m (19 ft 0 in) and a width over tires of 2.06 m (6 ft 9 in), is optimized for efficiency and maneuverability. This comprehensive Operation & Maintenance Manual provides essential information for the WA65-3 Wheel Loader, covering a wide array of topics to ensure optimal operation and longevity. It details critical maintenance procedures, including lubrication schedules and fluid capacities for key systems such as the engine, hydraulics, transmission, and coolant. The manual also includes technical specifications, troubleshooting guidance, safety precautions, and procedures for handling special equipment and attachments. Designed for owners, mechanics, and technicians, this 237-page English-language manual is presented in a searchable and printable format, facilitating easy access to the information needed for effective vehicle management and repair.