This Service Repair Workshop Manual provides comprehensive information for the WA300-1 and WA320-1 wheel loaders, generation 1, applicable to units starting with serial number 10001 and up. These robust machines are engineered for demanding operational environments, featuring articulated steering for enhanced maneuverability and a standard operator cab designed for safety and comfort. While specific engine and performance details are not provided, the manual covers essential aspects of their likely diesel powertrains and power-shift transmissions, ensuring these reliable workhorses can be maintained to peak performance. This extensive manual, presented in English and spanning over 800 pages, is an indispensable resource for owners, technicians, and mechanics. It details critical maintenance schedules, fluid capacities for engine oil, hydraulic oil, transmission oil, and coolant, alongside in-depth troubleshooting guidance and technical specifications. The manual’s purpose is to equip users with the knowledge required for effective upkeep and repair, ensuring the longevity and optimal functionality of the WA300-1 and WA320-1 wheel loaders.